diff options
316 files changed, 4904 insertions, 3469 deletions
diff --git a/.gitignore b/.gitignore index b3c4363af0..399362f7d3 100644 --- a/.gitignore +++ b/.gitignore @@ -1,6 +1,8 @@ *~ *.swp +*.ipr *.iml +*.iws .idea/ .settings .cache @@ -13,20 +13,20 @@ This README file only contains basic setup instructions. ## Building Spark requires Scala 2.10. The project is built using Simple Build Tool (SBT), -which is packaged with it. To build Spark and its example programs, run: +which can be obtained [here](http://www.scala-sbt.org). To build Spark and its example programs, run: - sbt/sbt assembly + sbt assembly Once you've built Spark, the easiest way to start using it is the shell: - ./spark-shell + ./bin/spark-shell -Or, for the Python API, the Python shell (`./pyspark`). +Or, for the Python API, the Python shell (`./bin/pyspark`). Spark also comes with several sample programs in the `examples` directory. -To run one of them, use `./run-example <class> <params>`. For example: +To run one of them, use `./bin/run-example <class> <params>`. For example: - ./run-example org.apache.spark.examples.SparkLR local[2] + ./bin/run-example org.apache.spark.examples.SparkLR local[2] will run the Logistic Regression example locally on 2 CPUs. @@ -36,7 +36,13 @@ All of the Spark samples take a `<master>` parameter that is the cluster URL to connect to. This can be a mesos:// or spark:// URL, or "local" to run locally with one thread, or "local[N]" to run locally with N threads. +## Running tests +Testing first requires [Building](#Building) Spark. Once Spark is built, tests +can be run using: + +`sbt test` + ## A Note About Hadoop Versions Spark uses the Hadoop core library to talk to HDFS and other Hadoop-supported @@ -49,22 +55,22 @@ For Apache Hadoop versions 1.x, Cloudera CDH MRv1, and other Hadoop versions without YARN, use: # Apache Hadoop 1.2.1 - $ SPARK_HADOOP_VERSION=1.2.1 sbt/sbt assembly + $ SPARK_HADOOP_VERSION=1.2.1 sbt assembly # Cloudera CDH 4.2.0 with MapReduce v1 - $ SPARK_HADOOP_VERSION=2.0.0-mr1-cdh4.2.0 sbt/sbt assembly + $ SPARK_HADOOP_VERSION=2.0.0-mr1-cdh4.2.0 sbt assembly For Apache Hadoop 2.2.X, 2.1.X, 2.0.X, 0.23.x, Cloudera CDH MRv2, and other Hadoop versions with YARN, also set `SPARK_YARN=true`: # Apache Hadoop 2.0.5-alpha - $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/sbt assembly + $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt assembly # Cloudera CDH 4.2.0 with MapReduce v2 - $ SPARK_HADOOP_VERSION=2.0.0-cdh4.2.0 SPARK_YARN=true sbt/sbt assembly + $ SPARK_HADOOP_VERSION=2.0.0-cdh4.2.0 SPARK_YARN=true sbt assembly # Apache Hadoop 2.2.X and newer - $ SPARK_HADOOP_VERSION=2.2.0 SPARK_YARN=true sbt/sbt assembly + $ SPARK_HADOOP_VERSION=2.2.0 SPARK_YARN=true sbt assembly When developing a Spark application, specify the Hadoop version by adding the "hadoop-client" artifact to your project's dependencies. For example, if you're diff --git a/assembly/lib/PY4J_LICENSE.txt b/assembly/lib/PY4J_LICENSE.txt deleted file mode 100644 index a70279ca14..0000000000 --- a/assembly/lib/PY4J_LICENSE.txt +++ /dev/null @@ -1,27 +0,0 @@ - -Copyright (c) 2009-2011, Barthelemy Dagenais All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - -- Redistributions of source code must retain the above copyright notice, this -list of conditions and the following disclaimer. - -- Redistributions in binary form must reproduce the above copyright notice, -this list of conditions and the following disclaimer in the documentation -and/or other materials provided with the distribution. - -- The name of the author may not be used to endorse or promote products -derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. diff --git a/assembly/lib/PY4J_VERSION.txt b/assembly/lib/PY4J_VERSION.txt deleted file mode 100644 index 04a0cd52a8..0000000000 --- a/assembly/lib/PY4J_VERSION.txt +++ /dev/null @@ -1 +0,0 @@ -b7924aabe9c5e63f0a4d8bbd17019534c7ec014e diff --git a/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.jar b/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.jar Binary files differdeleted file mode 100644 index 73b7ddb7d1..0000000000 --- a/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.jar +++ /dev/null diff --git a/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.pom b/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.pom deleted file mode 100644 index 1c730e19b4..0000000000 --- a/assembly/lib/net/sf/py4j/py4j/0.7/py4j-0.7.pom +++ /dev/null @@ -1,9 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" - xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> - <modelVersion>4.0.0</modelVersion> - <groupId>net.sf.py4j</groupId> - <artifactId>py4j</artifactId> - <version>0.7</version> - <description>POM was created from install:install-file</description> -</project> diff --git a/assembly/lib/net/sf/py4j/py4j/maven-metadata-local.xml b/assembly/lib/net/sf/py4j/py4j/maven-metadata-local.xml deleted file mode 100644 index 6942ff45e7..0000000000 --- a/assembly/lib/net/sf/py4j/py4j/maven-metadata-local.xml +++ /dev/null @@ -1,12 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<metadata> - <groupId>net.sf.py4j</groupId> - <artifactId>py4j</artifactId> - <versioning> - <release>0.7</release> - <versions> - <version>0.7</version> - </versions> - <lastUpdated>20130828020333</lastUpdated> - </versioning> -</metadata> diff --git a/assembly/pom.xml b/assembly/pom.xml index fc2adc1fbb..9b70812c64 100644 --- a/assembly/pom.xml +++ b/assembly/pom.xml @@ -67,7 +67,7 @@ <dependency> <groupId>net.sf.py4j</groupId> <artifactId>py4j</artifactId> - <version>0.7</version> + <version>0.8.1</version> </dependency> </dependencies> @@ -124,7 +124,17 @@ <profiles> <profile> - <id>hadoop2-yarn</id> + <id>yarn-alpha</id> + <dependencies> + <dependency> + <groupId>org.apache.spark</groupId> + <artifactId>spark-yarn-alpha_${scala.binary.version}</artifactId> + <version>${project.version}</version> + </dependency> + </dependencies> + </profile> + <profile> + <id>yarn</id> <dependencies> <dependency> <groupId>org.apache.spark</groupId> diff --git a/assembly/src/main/assembly/assembly.xml b/assembly/src/main/assembly/assembly.xml index 47d3fa93d0..6af383db65 100644 --- a/assembly/src/main/assembly/assembly.xml +++ b/assembly/src/main/assembly/assembly.xml @@ -39,23 +39,20 @@ </fileSet> <fileSet> <directory> - ${project.parent.basedir}/bin/ + ${project.parent.basedir}/sbin/ </directory> - <outputDirectory>/bin</outputDirectory> + <outputDirectory>/sbin</outputDirectory> <includes> <include>**/*</include> </includes> </fileSet> <fileSet> <directory> - ${project.parent.basedir} + ${project.parent.basedir}/bin/ </directory> <outputDirectory>/bin</outputDirectory> <includes> - <include>run-example*</include> - <include>spark-class*</include> - <include>spark-shell*</include> - <include>spark-executor*</include> + <include>**/*</include> </includes> </fileSet> </fileSets> diff --git a/bin/compute-classpath.cmd b/bin/compute-classpath.cmd index 9e3e10ecaa..4f60bff19c 100644 --- a/bin/compute-classpath.cmd +++ b/bin/compute-classpath.cmd @@ -29,7 +29,7 @@ rem Load environment variables from conf\spark-env.cmd, if it exists if exist "%FWDIR%conf\spark-env.cmd" call "%FWDIR%conf\spark-env.cmd" rem Build up classpath -set CLASSPATH=%SPARK_CLASSPATH%;%FWDIR%conf +set CLASSPATH=%FWDIR%conf if exist "%FWDIR%RELEASE" ( for %%d in ("%FWDIR%jars\spark-assembly*.jar") do ( set ASSEMBLY_JAR=%%d diff --git a/bin/compute-classpath.sh b/bin/compute-classpath.sh index 40555089fc..0c82310421 100755 --- a/bin/compute-classpath.sh +++ b/bin/compute-classpath.sh @@ -26,7 +26,7 @@ SCALA_VERSION=2.10 FWDIR="$(cd `dirname $0`/..; pwd)" # Load environment variables from conf/spark-env.sh, if it exists -if [ -e $FWDIR/conf/spark-env.sh ] ; then +if [ -e "$FWDIR/conf/spark-env.sh" ] ; then . $FWDIR/conf/spark-env.sh fi @@ -18,7 +18,7 @@ # # Figure out where the Scala framework is installed -FWDIR="$(cd `dirname $0`; pwd)" +FWDIR="$(cd `dirname $0`/..; pwd)" # Export this as SPARK_HOME export SPARK_HOME="$FWDIR" @@ -31,13 +31,13 @@ if [ ! -f "$FWDIR/RELEASE" ]; then ls "$FWDIR"/assembly/target/scala-$SCALA_VERSION/spark-assembly*hadoop*.jar >& /dev/null if [[ $? != 0 ]]; then echo "Failed to find Spark assembly in $FWDIR/assembly/target" >&2 - echo "You need to build Spark with sbt/sbt assembly before running this program" >&2 + echo "You need to build Spark with sbt assembly before running this program" >&2 exit 1 fi fi # Load environment variables from conf/spark-env.sh, if it exists -if [ -e $FWDIR/conf/spark-env.sh ] ; then +if [ -e "$FWDIR/conf/spark-env.sh" ] ; then . $FWDIR/conf/spark-env.sh fi diff --git a/pyspark.cmd b/bin/pyspark.cmd index 7c26fbbac2..7c26fbbac2 100644 --- a/pyspark.cmd +++ b/bin/pyspark.cmd diff --git a/pyspark2.cmd b/bin/pyspark2.cmd index 21f9a34388..95791095ec 100644 --- a/pyspark2.cmd +++ b/bin/pyspark2.cmd @@ -20,7 +20,7 @@ rem set SCALA_VERSION=2.10 rem Figure out where the Spark framework is installed -set FWDIR=%~dp0 +set FWDIR=%~dp0..\ rem Export this as SPARK_HOME set SPARK_HOME=%FWDIR% diff --git a/run-example b/bin/run-example index a78192d31d..dfb4bf7baf 100755 --- a/run-example +++ b/bin/run-example @@ -25,13 +25,13 @@ esac SCALA_VERSION=2.10 # Figure out where the Scala framework is installed -FWDIR="$(cd `dirname $0`; pwd)" +FWDIR="$(cd `dirname $0`/..; pwd)" # Export this as SPARK_HOME export SPARK_HOME="$FWDIR" # Load environment variables from conf/spark-env.sh, if it exists -if [ -e $FWDIR/conf/spark-env.sh ] ; then +if [ -e "$FWDIR/conf/spark-env.sh" ] ; then . $FWDIR/conf/spark-env.sh fi @@ -55,7 +55,7 @@ if [ -e "$EXAMPLES_DIR"/target/spark-examples*[0-9Tg].jar ]; then fi if [[ -z $SPARK_EXAMPLES_JAR ]]; then echo "Failed to find Spark examples assembly in $FWDIR/examples/target" >&2 - echo "You need to build Spark with sbt/sbt assembly before running this program" >&2 + echo "You need to build Spark with sbt assembly before running this program" >&2 exit 1 fi diff --git a/run-example.cmd b/bin/run-example.cmd index 5b2d048d6e..5b2d048d6e 100644 --- a/run-example.cmd +++ b/bin/run-example.cmd diff --git a/run-example2.cmd b/bin/run-example2.cmd index d4ad98d6e7..6861334cb0 100644 --- a/run-example2.cmd +++ b/bin/run-example2.cmd @@ -20,7 +20,7 @@ rem set SCALA_VERSION=2.10 rem Figure out where the Spark framework is installed -set FWDIR=%~dp0 +set FWDIR=%~dp0..\ rem Export this as SPARK_HOME set SPARK_HOME=%FWDIR% @@ -49,7 +49,7 @@ if "x%SPARK_EXAMPLES_JAR%"=="x" ( rem Compute Spark classpath using external script set DONT_PRINT_CLASSPATH=1 -call "%FWDIR%bin\compute-classpath.cmd" +call "%FWDIR%sbin\compute-classpath.cmd" set DONT_PRINT_CLASSPATH=0 set CLASSPATH=%SPARK_EXAMPLES_JAR%;%CLASSPATH% diff --git a/spark-class b/bin/spark-class index 802e4aa104..49b0bef0bd 100755 --- a/spark-class +++ b/bin/spark-class @@ -25,13 +25,13 @@ esac SCALA_VERSION=2.10 # Figure out where the Scala framework is installed -FWDIR="$(cd `dirname $0`; pwd)" +FWDIR="$(cd `dirname $0`/..; pwd)" # Export this as SPARK_HOME export SPARK_HOME="$FWDIR" # Load environment variables from conf/spark-env.sh, if it exists -if [ -e $FWDIR/conf/spark-env.sh ] ; then +if [ -e "$FWDIR/conf/spark-env.sh" ] ; then . $FWDIR/conf/spark-env.sh fi @@ -92,7 +92,7 @@ JAVA_OPTS="$OUR_JAVA_OPTS" JAVA_OPTS="$JAVA_OPTS -Djava.library.path=$SPARK_LIBRARY_PATH" JAVA_OPTS="$JAVA_OPTS -Xms$SPARK_MEM -Xmx$SPARK_MEM" # Load extra JAVA_OPTS from conf/java-opts, if it exists -if [ -e $FWDIR/conf/java-opts ] ; then +if [ -e "$FWDIR/conf/java-opts" ] ; then JAVA_OPTS="$JAVA_OPTS `cat $FWDIR/conf/java-opts`" fi export JAVA_OPTS @@ -104,7 +104,7 @@ if [ ! -f "$FWDIR/RELEASE" ]; then jars_list=$(ls "$FWDIR"/assembly/target/scala-$SCALA_VERSION/ | grep "spark-assembly.*hadoop.*.jar") if [ "$num_jars" -eq "0" ]; then echo "Failed to find Spark assembly in $FWDIR/assembly/target/scala-$SCALA_VERSION/" >&2 - echo "You need to build Spark with 'sbt/sbt assembly' before running this program." >&2 + echo "You need to build Spark with 'sbt assembly' before running this program." >&2 exit 1 fi if [ "$num_jars" -gt "1" ]; then @@ -129,11 +129,16 @@ fi # Compute classpath using external script CLASSPATH=`$FWDIR/bin/compute-classpath.sh` -CLASSPATH="$CLASSPATH:$SPARK_TOOLS_JAR" + +if [ "$1" == "org.apache.spark.tools.JavaAPICompletenessChecker" ]; then + CLASSPATH="$CLASSPATH:$SPARK_TOOLS_JAR" +fi if $cygwin; then CLASSPATH=`cygpath -wp $CLASSPATH` - export SPARK_TOOLS_JAR=`cygpath -w $SPARK_TOOLS_JAR` + if [ "$1" == "org.apache.spark.tools.JavaAPICompletenessChecker" ]; then + export SPARK_TOOLS_JAR=`cygpath -w $SPARK_TOOLS_JAR` + fi fi export CLASSPATH diff --git a/spark-class.cmd b/bin/spark-class.cmd index 19850db9e1..19850db9e1 100644 --- a/spark-class.cmd +++ b/bin/spark-class.cmd diff --git a/spark-class2.cmd b/bin/spark-class2.cmd index a60c17d050..460e661476 100644 --- a/spark-class2.cmd +++ b/bin/spark-class2.cmd @@ -17,10 +17,10 @@ rem See the License for the specific language governing permissions and rem limitations under the License. rem -set SCALA_VERSION=2.9.3 +set SCALA_VERSION=2.10 rem Figure out where the Spark framework is installed -set FWDIR=%~dp0 +set FWDIR=%~dp0..\ rem Export this as SPARK_HOME set SPARK_HOME=%FWDIR% @@ -73,7 +73,7 @@ for %%d in ("%TOOLS_DIR%\target\scala-%SCALA_VERSION%\spark-tools*assembly*.jar" rem Compute classpath using external script set DONT_PRINT_CLASSPATH=1 -call "%FWDIR%bin\compute-classpath.cmd" +call "%FWDIR%sbin\compute-classpath.cmd" set DONT_PRINT_CLASSPATH=0 set CLASSPATH=%CLASSPATH%;%SPARK_TOOLS_JAR% diff --git a/spark-shell b/bin/spark-shell index d20af0fb39..e6885b51ef 100755 --- a/spark-shell +++ b/bin/spark-shell @@ -32,7 +32,7 @@ esac # Enter posix mode for bash set -o posix -FWDIR="`dirname $0`" +FWDIR="$(cd `dirname $0`/..; pwd)" for o in "$@"; do if [ "$1" = "-c" -o "$1" = "--cores" ]; then @@ -90,10 +90,10 @@ if $cygwin; then # "Backspace sends ^H" setting in "Keys" section of the Mintty options # (see https://github.com/sbt/sbt/issues/562). stty -icanon min 1 -echo > /dev/null 2>&1 - $FWDIR/spark-class -Djline.terminal=unix $OPTIONS org.apache.spark.repl.Main "$@" + $FWDIR/bin/spark-class -Djline.terminal=unix $OPTIONS org.apache.spark.repl.Main "$@" stty icanon echo > /dev/null 2>&1 else - $FWDIR/spark-class $OPTIONS org.apache.spark.repl.Main "$@" + $FWDIR/bin/spark-class $OPTIONS org.apache.spark.repl.Main "$@" fi # record the exit status lest it be overwritten: diff --git a/spark-shell.cmd b/bin/spark-shell.cmd index 3e52bf835e..23973e3e3d 100644 --- a/spark-shell.cmd +++ b/bin/spark-shell.cmd @@ -17,6 +17,7 @@ rem See the License for the specific language governing permissions and rem limitations under the License. rem -set FWDIR=%~dp0 +rem Find the path of sbin +set SBIN=%~dp0..\sbin\ -cmd /V /E /C %FWDIR%spark-class2.cmd org.apache.spark.repl.Main %* +cmd /V /E /C %SBIN%spark-class2.cmd org.apache.spark.repl.Main %* diff --git a/core/pom.xml b/core/pom.xml index 043f6cf68d..aac0a9d11e 100644 --- a/core/pom.xml +++ b/core/pom.xml @@ -17,215 +17,219 @@ --> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> - <modelVersion>4.0.0</modelVersion> - <parent> - <groupId>org.apache.spark</groupId> - <artifactId>spark-parent</artifactId> - <version>0.9.0-incubating-SNAPSHOT</version> - <relativePath>../pom.xml</relativePath> - </parent> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.spark</groupId> + <artifactId>spark-parent</artifactId> + <version>0.9.0-incubating-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> - <groupId>org.apache.spark</groupId> - <artifactId>spark-core_2.10</artifactId> - <packaging>jar</packaging> - <name>Spark Project Core</name> - <url>http://spark.incubator.apache.org/</url> + <groupId>org.apache.spark</groupId> + <artifactId>spark-core_2.10</artifactId> + <packaging>jar</packaging> + <name>Spark Project Core</name> + <url>http://spark.incubator.apache.org/</url> - <dependencies> - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-client</artifactId> - </dependency> - <dependency> - <groupId>net.java.dev.jets3t</groupId> - <artifactId>jets3t</artifactId> - </dependency> - <dependency> - <groupId>org.apache.avro</groupId> - <artifactId>avro</artifactId> - </dependency> - <dependency> - <groupId>org.apache.avro</groupId> - <artifactId>avro-ipc</artifactId> - </dependency> - <dependency> - <groupId>org.apache.zookeeper</groupId> - <artifactId>zookeeper</artifactId> - </dependency> - <dependency> - <groupId>org.eclipse.jetty</groupId> - <artifactId>jetty-server</artifactId> - </dependency> - <dependency> - <groupId>com.google.guava</groupId> - <artifactId>guava</artifactId> - </dependency> - <dependency> - <groupId>com.google.code.findbugs</groupId> - <artifactId>jsr305</artifactId> - </dependency> - <dependency> - <groupId>org.slf4j</groupId> - <artifactId>slf4j-api</artifactId> - </dependency> - <dependency> - <groupId>com.ning</groupId> - <artifactId>compress-lzf</artifactId> - </dependency> - <dependency> - <groupId>org.xerial.snappy</groupId> - <artifactId>snappy-java</artifactId> - </dependency> - <dependency> - <groupId>org.ow2.asm</groupId> - <artifactId>asm</artifactId> - </dependency> - <dependency> - <groupId>com.twitter</groupId> - <artifactId>chill_${scala.binary.version}</artifactId> - <version>0.3.1</version> - </dependency> - <dependency> - <groupId>com.twitter</groupId> - <artifactId>chill-java</artifactId> - <version>0.3.1</version> - </dependency> - <dependency> - <groupId>${akka.group}</groupId> - <artifactId>akka-remote_${scala.binary.version}</artifactId> - </dependency> - <dependency> - <groupId>${akka.group}</groupId> - <artifactId>akka-slf4j_${scala.binary.version}</artifactId> - </dependency> - <dependency> - <groupId>org.scala-lang</groupId> - <artifactId>scala-library</artifactId> - </dependency> - <dependency> - <groupId>net.liftweb</groupId> - <artifactId>lift-json_${scala.binary.version}</artifactId> - </dependency> - <dependency> - <groupId>it.unimi.dsi</groupId> - <artifactId>fastutil</artifactId> - </dependency> - <dependency> - <groupId>colt</groupId> - <artifactId>colt</artifactId> - </dependency> - <dependency> - <groupId>org.apache.mesos</groupId> - <artifactId>mesos</artifactId> - </dependency> - <dependency> - <groupId>io.netty</groupId> - <artifactId>netty-all</artifactId> - </dependency> - <dependency> - <groupId>log4j</groupId> - <artifactId>log4j</artifactId> - </dependency> - <dependency> - <groupId>com.codahale.metrics</groupId> - <artifactId>metrics-core</artifactId> - </dependency> - <dependency> - <groupId>com.codahale.metrics</groupId> - <artifactId>metrics-jvm</artifactId> - </dependency> - <dependency> - <groupId>com.codahale.metrics</groupId> - <artifactId>metrics-json</artifactId> - </dependency> - <dependency> - <groupId>com.codahale.metrics</groupId> - <artifactId>metrics-ganglia</artifactId> - </dependency> - <dependency> - <groupId>com.codahale.metrics</groupId> - <artifactId>metrics-graphite</artifactId> - </dependency> - <dependency> - <groupId>org.apache.derby</groupId> - <artifactId>derby</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>commons-io</groupId> - <artifactId>commons-io</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.scalatest</groupId> - <artifactId>scalatest_${scala.binary.version}</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.scalacheck</groupId> - <artifactId>scalacheck_${scala.binary.version}</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.easymock</groupId> - <artifactId>easymock</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>com.novocode</groupId> - <artifactId>junit-interface</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.slf4j</groupId> - <artifactId>slf4j-log4j12</artifactId> - <scope>test</scope> - </dependency> - </dependencies> - <build> - <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> - <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> - <plugins> - <plugin> - <groupId>org.apache.maven.plugins</groupId> - <artifactId>maven-antrun-plugin</artifactId> - <executions> - <execution> - <phase>test</phase> - <goals> - <goal>run</goal> - </goals> - <configuration> - <exportAntProperties>true</exportAntProperties> - <tasks> - <property name="spark.classpath" refid="maven.test.classpath" /> - <property environment="env" /> - <fail message="Please set the SCALA_HOME (or SCALA_LIBRARY_PATH if scala is on the path) environment variables and retry."> - <condition> - <not> - <or> - <isset property="env.SCALA_HOME" /> - <isset property="env.SCALA_LIBRARY_PATH" /> - </or> - </not> - </condition> - </fail> - </tasks> - </configuration> - </execution> - </executions> - </plugin> - <plugin> - <groupId>org.scalatest</groupId> - <artifactId>scalatest-maven-plugin</artifactId> - <configuration> - <environmentVariables> - <SPARK_HOME>${basedir}/..</SPARK_HOME> - <SPARK_TESTING>1</SPARK_TESTING> - <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH> - </environmentVariables> - </configuration> - </plugin> - </plugins> - </build> + <dependencies> + <dependency> + <groupId>org.apache.hadoop</groupId> + <artifactId>hadoop-client</artifactId> + </dependency> + <dependency> + <groupId>net.java.dev.jets3t</groupId> + <artifactId>jets3t</artifactId> + </dependency> + <dependency> + <groupId>org.apache.avro</groupId> + <artifactId>avro</artifactId> + </dependency> + <dependency> + <groupId>org.apache.avro</groupId> + <artifactId>avro-ipc</artifactId> + </dependency> + <dependency> + <groupId>org.apache.zookeeper</groupId> + <artifactId>zookeeper</artifactId> + </dependency> + <dependency> + <groupId>org.eclipse.jetty</groupId> + <artifactId>jetty-server</artifactId> + </dependency> + <dependency> + <groupId>com.google.guava</groupId> + <artifactId>guava</artifactId> + </dependency> + <dependency> + <groupId>com.google.code.findbugs</groupId> + <artifactId>jsr305</artifactId> + </dependency> + <dependency> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-api</artifactId> + </dependency> + <dependency> + <groupId>com.ning</groupId> + <artifactId>compress-lzf</artifactId> + </dependency> + <dependency> + <groupId>org.xerial.snappy</groupId> + <artifactId>snappy-java</artifactId> + </dependency> + <dependency> + <groupId>org.ow2.asm</groupId> + <artifactId>asm</artifactId> + </dependency> + <dependency> + <groupId>com.twitter</groupId> + <artifactId>chill_${scala.binary.version}</artifactId> + <version>0.3.1</version> + </dependency> + <dependency> + <groupId>com.twitter</groupId> + <artifactId>chill-java</artifactId> + <version>0.3.1</version> + </dependency> + <dependency> + <groupId>${akka.group}</groupId> + <artifactId>akka-remote_${scala.binary.version}</artifactId> + </dependency> + <dependency> + <groupId>${akka.group}</groupId> + <artifactId>akka-slf4j_${scala.binary.version}</artifactId> + </dependency> + <dependency> + <groupId>org.scala-lang</groupId> + <artifactId>scala-library</artifactId> + </dependency> + <dependency> + <groupId>net.liftweb</groupId> + <artifactId>lift-json_${scala.binary.version}</artifactId> + </dependency> + <dependency> + <groupId>it.unimi.dsi</groupId> + <artifactId>fastutil</artifactId> + </dependency> + <dependency> + <groupId>colt</groupId> + <artifactId>colt</artifactId> + </dependency> + <dependency> + <groupId>org.apache.mesos</groupId> + <artifactId>mesos</artifactId> + </dependency> + <dependency> + <groupId>io.netty</groupId> + <artifactId>netty-all</artifactId> + </dependency> + <dependency> + <groupId>log4j</groupId> + <artifactId>log4j</artifactId> + </dependency> + <dependency> + <groupId>com.clearspring.analytics</groupId> + <artifactId>stream</artifactId> + </dependency> + <dependency> + <groupId>com.codahale.metrics</groupId> + <artifactId>metrics-core</artifactId> + </dependency> + <dependency> + <groupId>com.codahale.metrics</groupId> + <artifactId>metrics-jvm</artifactId> + </dependency> + <dependency> + <groupId>com.codahale.metrics</groupId> + <artifactId>metrics-json</artifactId> + </dependency> + <dependency> + <groupId>com.codahale.metrics</groupId> + <artifactId>metrics-ganglia</artifactId> + </dependency> + <dependency> + <groupId>com.codahale.metrics</groupId> + <artifactId>metrics-graphite</artifactId> + </dependency> + <dependency> + <groupId>org.apache.derby</groupId> + <artifactId>derby</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>commons-io</groupId> + <artifactId>commons-io</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.scalatest</groupId> + <artifactId>scalatest_${scala.binary.version}</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.scalacheck</groupId> + <artifactId>scalacheck_${scala.binary.version}</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.easymock</groupId> + <artifactId>easymock</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>com.novocode</groupId> + <artifactId>junit-interface</artifactId> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-log4j12</artifactId> + <scope>test</scope> + </dependency> + </dependencies> + <build> + <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> + <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-antrun-plugin</artifactId> + <executions> + <execution> + <phase>test</phase> + <goals> + <goal>run</goal> + </goals> + <configuration> + <exportAntProperties>true</exportAntProperties> + <tasks> + <property name="spark.classpath" refid="maven.test.classpath" /> + <property environment="env" /> + <fail message="Please set the SCALA_HOME (or SCALA_LIBRARY_PATH if scala is on the path) environment variables and retry."> + <condition> + <not> + <or> + <isset property="env.SCALA_HOME" /> + <isset property="env.SCALA_LIBRARY_PATH" /> + </or> + </not> + </condition> + </fail> + </tasks> + </configuration> + </execution> + </executions> + </plugin> + <plugin> + <groupId>org.scalatest</groupId> + <artifactId>scalatest-maven-plugin</artifactId> + <configuration> + <environmentVariables> + <SPARK_HOME>${basedir}/..</SPARK_HOME> + <SPARK_TESTING>1</SPARK_TESTING> + <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH> + </environmentVariables> + </configuration> + </plugin> + </plugins> + </build> </project> diff --git a/core/src/main/java/org/apache/spark/network/netty/FileClient.java b/core/src/main/java/org/apache/spark/network/netty/FileClient.java index edd0fc56f8..46d61503bc 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileClient.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileClient.java @@ -20,19 +20,24 @@ package org.apache.spark.network.netty; import io.netty.bootstrap.Bootstrap; import io.netty.channel.Channel; import io.netty.channel.ChannelOption; +import io.netty.channel.EventLoopGroup; import io.netty.channel.oio.OioEventLoopGroup; import io.netty.channel.socket.oio.OioSocketChannel; import org.slf4j.Logger; import org.slf4j.LoggerFactory; +import java.util.concurrent.TimeUnit; + class FileClient { private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); - private FileClientHandler handler = null; + private final FileClientHandler handler; private Channel channel = null; private Bootstrap bootstrap = null; - private int connectTimeout = 60*1000; // 1 min + private EventLoopGroup group = null; + private final int connectTimeout; + private final int sendTimeout = 60; // 1 min public FileClient(FileClientHandler handler, int connectTimeout) { this.handler = handler; @@ -40,8 +45,9 @@ class FileClient { } public void init() { + group = new OioEventLoopGroup(); bootstrap = new Bootstrap(); - bootstrap.group(new OioEventLoopGroup()) + bootstrap.group(group) .channel(OioSocketChannel.class) .option(ChannelOption.SO_KEEPALIVE, true) .option(ChannelOption.TCP_NODELAY, true) @@ -56,6 +62,7 @@ class FileClient { // ChannelFuture cf = channel.closeFuture(); //cf.addListener(new ChannelCloseListener(this)); } catch (InterruptedException e) { + LOG.warn("FileClient interrupted while trying to connect", e); close(); } } @@ -71,16 +78,21 @@ class FileClient { public void sendRequest(String file) { //assert(file == null); //assert(channel == null); - channel.write(file + "\r\n"); + try { + // Should be able to send the message to network link channel. + boolean bSent = channel.writeAndFlush(file + "\r\n").await(sendTimeout, TimeUnit.SECONDS); + if (!bSent) { + throw new RuntimeException("Failed to send"); + } + } catch (InterruptedException e) { + LOG.error("Error", e); + } } public void close() { - if(channel != null) { - channel.close(); - channel = null; - } - if ( bootstrap!=null) { - bootstrap.shutdown(); + if (group != null) { + group.shutdownGracefully(); + group = null; bootstrap = null; } } diff --git a/core/src/main/java/org/apache/spark/network/netty/FileClientChannelInitializer.java b/core/src/main/java/org/apache/spark/network/netty/FileClientChannelInitializer.java index 65ee15d63b..fb61be1c12 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileClientChannelInitializer.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileClientChannelInitializer.java @@ -17,15 +17,13 @@ package org.apache.spark.network.netty; -import io.netty.buffer.BufType; import io.netty.channel.ChannelInitializer; import io.netty.channel.socket.SocketChannel; import io.netty.handler.codec.string.StringEncoder; - class FileClientChannelInitializer extends ChannelInitializer<SocketChannel> { - private FileClientHandler fhandler; + private final FileClientHandler fhandler; public FileClientChannelInitializer(FileClientHandler handler) { fhandler = handler; @@ -35,7 +33,7 @@ class FileClientChannelInitializer extends ChannelInitializer<SocketChannel> { public void initChannel(SocketChannel channel) { // file no more than 2G channel.pipeline() - .addLast("encoder", new StringEncoder(BufType.BYTE)) + .addLast("encoder", new StringEncoder()) .addLast("handler", fhandler); } } diff --git a/core/src/main/java/org/apache/spark/network/netty/FileClientHandler.java b/core/src/main/java/org/apache/spark/network/netty/FileClientHandler.java index 8a09210245..63d3d92725 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileClientHandler.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileClientHandler.java @@ -19,11 +19,11 @@ package org.apache.spark.network.netty; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; -import io.netty.channel.ChannelInboundByteHandlerAdapter; +import io.netty.channel.SimpleChannelInboundHandler; import org.apache.spark.storage.BlockId; -abstract class FileClientHandler extends ChannelInboundByteHandlerAdapter { +abstract class FileClientHandler extends SimpleChannelInboundHandler<ByteBuf> { private FileHeader currentHeader = null; @@ -37,13 +37,7 @@ abstract class FileClientHandler extends ChannelInboundByteHandlerAdapter { public abstract void handleError(BlockId blockId); @Override - public ByteBuf newInboundBuffer(ChannelHandlerContext ctx) { - // Use direct buffer if possible. - return ctx.alloc().ioBuffer(); - } - - @Override - public void inboundBufferUpdated(ChannelHandlerContext ctx, ByteBuf in) { + public void channelRead0(ChannelHandlerContext ctx, ByteBuf in) { // get header if (currentHeader == null && in.readableBytes() >= FileHeader.HEADER_SIZE()) { currentHeader = FileHeader.create(in.readBytes(FileHeader.HEADER_SIZE())); diff --git a/core/src/main/java/org/apache/spark/network/netty/FileServer.java b/core/src/main/java/org/apache/spark/network/netty/FileServer.java index a99af348ce..aea7534459 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileServer.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileServer.java @@ -22,13 +22,12 @@ import java.net.InetSocketAddress; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelOption; +import io.netty.channel.EventLoopGroup; import io.netty.channel.oio.OioEventLoopGroup; import io.netty.channel.socket.oio.OioServerSocketChannel; - import org.slf4j.Logger; import org.slf4j.LoggerFactory; - /** * Server that accept the path of a file an echo back its content. */ @@ -36,7 +35,8 @@ class FileServer { private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); - private ServerBootstrap bootstrap = null; + private EventLoopGroup bossGroup = null; + private EventLoopGroup workerGroup = null; private ChannelFuture channelFuture = null; private int port = 0; private Thread blockingThread = null; @@ -45,8 +45,11 @@ class FileServer { InetSocketAddress addr = new InetSocketAddress(port); // Configure the server. - bootstrap = new ServerBootstrap(); - bootstrap.group(new OioEventLoopGroup(), new OioEventLoopGroup()) + bossGroup = new OioEventLoopGroup(); + workerGroup = new OioEventLoopGroup(); + + ServerBootstrap bootstrap = new ServerBootstrap(); + bootstrap.group(bossGroup, workerGroup) .channel(OioServerSocketChannel.class) .option(ChannelOption.SO_BACKLOG, 100) .option(ChannelOption.SO_RCVBUF, 1500) @@ -89,13 +92,19 @@ class FileServer { public void stop() { // Close the bound channel. if (channelFuture != null) { - channelFuture.channel().close(); + channelFuture.channel().close().awaitUninterruptibly(); channelFuture = null; } - // Shutdown bootstrap. - if (bootstrap != null) { - bootstrap.shutdown(); - bootstrap = null; + + // Shutdown event groups + if (bossGroup != null) { + bossGroup.shutdownGracefully(); + bossGroup = null; + } + + if (workerGroup != null) { + workerGroup.shutdownGracefully(); + workerGroup = null; } // TODO: Shutdown all accepted channels as well ? } diff --git a/core/src/main/java/org/apache/spark/network/netty/FileServerChannelInitializer.java b/core/src/main/java/org/apache/spark/network/netty/FileServerChannelInitializer.java index 833af1632d..3f15ff898f 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileServerChannelInitializer.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileServerChannelInitializer.java @@ -23,7 +23,6 @@ import io.netty.handler.codec.DelimiterBasedFrameDecoder; import io.netty.handler.codec.Delimiters; import io.netty.handler.codec.string.StringDecoder; - class FileServerChannelInitializer extends ChannelInitializer<SocketChannel> { PathResolver pResolver; @@ -36,7 +35,7 @@ class FileServerChannelInitializer extends ChannelInitializer<SocketChannel> { public void initChannel(SocketChannel channel) { channel.pipeline() .addLast("framer", new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter())) - .addLast("strDecoder", new StringDecoder()) + .addLast("stringDecoder", new StringDecoder()) .addLast("handler", new FileServerHandler(pResolver)); } } diff --git a/core/src/main/java/org/apache/spark/network/netty/FileServerHandler.java b/core/src/main/java/org/apache/spark/network/netty/FileServerHandler.java index 172c6e4b1c..e2d9391b4c 100644 --- a/core/src/main/java/org/apache/spark/network/netty/FileServerHandler.java +++ b/core/src/main/java/org/apache/spark/network/netty/FileServerHandler.java @@ -21,22 +21,26 @@ import java.io.File; import java.io.FileInputStream; import io.netty.channel.ChannelHandlerContext; -import io.netty.channel.ChannelInboundMessageHandlerAdapter; +import io.netty.channel.SimpleChannelInboundHandler; import io.netty.channel.DefaultFileRegion; import org.apache.spark.storage.BlockId; import org.apache.spark.storage.FileSegment; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; -class FileServerHandler extends ChannelInboundMessageHandlerAdapter<String> { +class FileServerHandler extends SimpleChannelInboundHandler<String> { - PathResolver pResolver; + private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); + + private final PathResolver pResolver; public FileServerHandler(PathResolver pResolver){ this.pResolver = pResolver; } @Override - public void messageReceived(ChannelHandlerContext ctx, String blockIdString) { + public void channelRead0(ChannelHandlerContext ctx, String blockIdString) { BlockId blockId = BlockId.apply(blockIdString); FileSegment fileSegment = pResolver.getBlockLocation(blockId); // if getBlockLocation returns null, close the channel @@ -60,10 +64,10 @@ class FileServerHandler extends ChannelInboundMessageHandlerAdapter<String> { int len = new Long(length).intValue(); ctx.write((new FileHeader(len, blockId)).buffer()); try { - ctx.sendFile(new DefaultFileRegion(new FileInputStream(file) + ctx.write(new DefaultFileRegion(new FileInputStream(file) .getChannel(), fileSegment.offset(), fileSegment.length())); } catch (Exception e) { - e.printStackTrace(); + LOG.error("Exception: ", e); } } else { ctx.write(new FileHeader(0, blockId).buffer()); @@ -73,7 +77,7 @@ class FileServerHandler extends ChannelInboundMessageHandlerAdapter<String> { @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { - cause.printStackTrace(); + LOG.error("Exception: ", cause); ctx.close(); } } diff --git a/core/src/main/resources/org/apache/spark/default-log4j.properties b/core/src/main/resources/org/apache/spark/default-log4j.properties new file mode 100644 index 0000000000..d72dbadc39 --- /dev/null +++ b/core/src/main/resources/org/apache/spark/default-log4j.properties @@ -0,0 +1,8 @@ +# Set everything to be logged to the console +log4j.rootCategory=INFO, console +log4j.appender.console=org.apache.log4j.ConsoleAppender +log4j.appender.console.layout=org.apache.log4j.PatternLayout +log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n + +# Ignore messages below warning level from Jetty, because it's a bit verbose +log4j.logger.org.eclipse.jetty=WARN diff --git a/core/src/main/scala/org/apache/spark/Accumulators.scala b/core/src/main/scala/org/apache/spark/Accumulators.scala index 6e922a612a..5f73d234aa 100644 --- a/core/src/main/scala/org/apache/spark/Accumulators.scala +++ b/core/src/main/scala/org/apache/spark/Accumulators.scala @@ -41,7 +41,7 @@ class Accumulable[R, T] ( @transient initialValue: R, param: AccumulableParam[R, T]) extends Serializable { - + val id = Accumulators.newId @transient private var value_ = initialValue // Current value on master val zero = param.zero(initialValue) // Zero value to be passed to workers @@ -113,7 +113,7 @@ class Accumulable[R, T] ( def setValue(newValue: R) { this.value = newValue } - + // Called by Java when deserializing an object private def readObject(in: ObjectInputStream) { in.defaultReadObject() @@ -177,7 +177,7 @@ class GrowableAccumulableParam[R <% Growable[T] with TraversableOnce[T] with Ser def zero(initialValue: R): R = { // We need to clone initialValue, but it's hard to specify that R should also be Cloneable. // Instead we'll serialize it to a buffer and load it back. - val ser = new JavaSerializer().newInstance() + val ser = new JavaSerializer(new SparkConf(false)).newInstance() val copy = ser.deserialize[R](ser.serialize(initialValue)) copy.clear() // In case it contained stuff copy @@ -215,7 +215,7 @@ private object Accumulators { val originals = Map[Long, Accumulable[_, _]]() val localAccums = Map[Thread, Map[Long, Accumulable[_, _]]]() var lastId: Long = 0 - + def newId: Long = synchronized { lastId += 1 return lastId diff --git a/core/src/main/scala/org/apache/spark/HttpServer.scala b/core/src/main/scala/org/apache/spark/HttpServer.scala index cdfc9dd54e..69a738dc44 100644 --- a/core/src/main/scala/org/apache/spark/HttpServer.scala +++ b/core/src/main/scala/org/apache/spark/HttpServer.scala @@ -46,6 +46,7 @@ private[spark] class HttpServer(resourceBase: File) extends Logging { if (server != null) { throw new ServerStateException("Server is already started") } else { + logInfo("Starting HTTP Server") server = new Server() val connector = new SocketConnector connector.setMaxIdleTime(60*1000) diff --git a/core/src/main/scala/org/apache/spark/Logging.scala b/core/src/main/scala/org/apache/spark/Logging.scala index 6a973ea495..d519fc5a29 100644 --- a/core/src/main/scala/org/apache/spark/Logging.scala +++ b/core/src/main/scala/org/apache/spark/Logging.scala @@ -17,8 +17,8 @@ package org.apache.spark -import org.slf4j.Logger -import org.slf4j.LoggerFactory +import org.apache.log4j.{LogManager, PropertyConfigurator} +import org.slf4j.{Logger, LoggerFactory} /** * Utility trait for classes that want to log data. Creates a SLF4J logger for the class and allows @@ -33,6 +33,7 @@ trait Logging { // Method to get or create the logger for this object protected def log: Logger = { if (log_ == null) { + initializeIfNecessary() var className = this.getClass.getName // Ignore trailing $'s in the class names for Scala objects if (className.endsWith("$")) { @@ -89,7 +90,37 @@ trait Logging { log.isTraceEnabled } - // Method for ensuring that logging is initialized, to avoid having multiple - // threads do it concurrently (as SLF4J initialization is not thread safe). - protected def initLogging() { log } + private def initializeIfNecessary() { + if (!Logging.initialized) { + Logging.initLock.synchronized { + if (!Logging.initialized) { + initializeLogging() + } + } + } + } + + private def initializeLogging() { + // If Log4j doesn't seem initialized, load a default properties file + val log4jInitialized = LogManager.getRootLogger.getAllAppenders.hasMoreElements + if (!log4jInitialized) { + val defaultLogProps = "org/apache/spark/default-log4j.properties" + val classLoader = this.getClass.getClassLoader + Option(classLoader.getResource(defaultLogProps)) match { + case Some(url) => PropertyConfigurator.configure(url) + case None => System.err.println(s"Spark was unable to load $defaultLogProps") + } + log.info(s"Using Spark's default log4j profile: $defaultLogProps") + } + Logging.initialized = true + + // Force a call into slf4j to initialize it. Avoids this happening from mutliple threads + // and triggering this: http://mailman.qos.ch/pipermail/slf4j-dev/2010-April/002956.html + log + } +} + +object Logging { + @volatile private var initialized = false + val initLock = new Object() } diff --git a/core/src/main/scala/org/apache/spark/MapOutputTracker.scala b/core/src/main/scala/org/apache/spark/MapOutputTracker.scala index ccffcc356c..cdae167aef 100644 --- a/core/src/main/scala/org/apache/spark/MapOutputTracker.scala +++ b/core/src/main/scala/org/apache/spark/MapOutputTracker.scala @@ -50,9 +50,9 @@ private[spark] class MapOutputTrackerMasterActor(tracker: MapOutputTrackerMaster } } -private[spark] class MapOutputTracker extends Logging { +private[spark] class MapOutputTracker(conf: SparkConf) extends Logging { - private val timeout = AkkaUtils.askTimeout + private val timeout = AkkaUtils.askTimeout(conf) // Set to the MapOutputTrackerActor living on the driver var trackerActor: Either[ActorRef, ActorSelection] = _ @@ -65,7 +65,7 @@ private[spark] class MapOutputTracker extends Logging { protected val epochLock = new java.lang.Object private val metadataCleaner = - new MetadataCleaner(MetadataCleanerType.MAP_OUTPUT_TRACKER, this.cleanup) + new MetadataCleaner(MetadataCleanerType.MAP_OUTPUT_TRACKER, this.cleanup, conf) // Send a message to the trackerActor and get its result within a default timeout, or // throw a SparkException if this fails. @@ -129,7 +129,7 @@ private[spark] class MapOutputTracker extends Logging { if (fetchedStatuses == null) { // We won the race to fetch the output locs; do so logInfo("Doing the fetch; tracker actor = " + trackerActor) - val hostPort = Utils.localHostPort() + val hostPort = Utils.localHostPort(conf) // This try-finally prevents hangs due to timeouts: try { val fetchedBytes = @@ -192,7 +192,8 @@ private[spark] class MapOutputTracker extends Logging { } } -private[spark] class MapOutputTrackerMaster extends MapOutputTracker { +private[spark] class MapOutputTrackerMaster(conf: SparkConf) + extends MapOutputTracker(conf) { // Cache a serialized version of the output statuses for each shuffle to send them out faster private var cacheEpoch = epoch diff --git a/core/src/main/scala/org/apache/spark/Partitioner.scala b/core/src/main/scala/org/apache/spark/Partitioner.scala index bcec41c439..31b0773bfe 100644 --- a/core/src/main/scala/org/apache/spark/Partitioner.scala +++ b/core/src/main/scala/org/apache/spark/Partitioner.scala @@ -52,7 +52,7 @@ object Partitioner { for (r <- bySize if r.partitioner != None) { return r.partitioner.get } - if (System.getProperty("spark.default.parallelism") != null) { + if (rdd.context.conf.contains("spark.default.parallelism")) { return new HashPartitioner(rdd.context.defaultParallelism) } else { return new HashPartitioner(bySize.head.partitions.size) @@ -90,7 +90,7 @@ class HashPartitioner(partitions: Int) extends Partitioner { class RangePartitioner[K <% Ordered[K]: ClassTag, V]( partitions: Int, @transient rdd: RDD[_ <: Product2[K,V]], - private val ascending: Boolean = true) + private val ascending: Boolean = true) extends Partitioner { // An array of upper bounds for the first (partitions - 1) partitions diff --git a/core/src/main/scala/org/apache/spark/SparkConf.scala b/core/src/main/scala/org/apache/spark/SparkConf.scala new file mode 100644 index 0000000000..55f27033b5 --- /dev/null +++ b/core/src/main/scala/org/apache/spark/SparkConf.scala @@ -0,0 +1,190 @@ +package org.apache.spark + +import scala.collection.JavaConverters._ +import scala.collection.mutable.HashMap + +import com.typesafe.config.ConfigFactory + +/** + * Configuration for a Spark application. Used to set various Spark parameters as key-value pairs. + * + * Most of the time, you would create a SparkConf object with `new SparkConf()`, which will load + * values from both the `spark.*` Java system properties and any `spark.conf` on your application's + * classpath (if it has one). In this case, system properties take priority over `spark.conf`, and + * any parameters you set directly on the `SparkConf` object take priority over both of those. + * + * For unit tests, you can also call `new SparkConf(false)` to skip loading external settings and + * get the same configuration no matter what is on the classpath. + * + * All setter methods in this class support chaining. For example, you can write + * `new SparkConf().setMaster("local").setAppName("My app")`. + * + * Note that once a SparkConf object is passed to Spark, it is cloned and can no longer be modified + * by the user. Spark does not support modifying the configuration at runtime. + * + * @param loadDefaults whether to load values from the system properties and classpath + */ +class SparkConf(loadDefaults: Boolean) extends Serializable with Cloneable with Logging { + + /** Create a SparkConf that loads defaults from system properties and the classpath */ + def this() = this(true) + + private val settings = new HashMap[String, String]() + + if (loadDefaults) { + ConfigFactory.invalidateCaches() + val typesafeConfig = ConfigFactory.systemProperties() + .withFallback(ConfigFactory.parseResources("spark.conf")) + for (e <- typesafeConfig.entrySet().asScala if e.getKey.startsWith("spark.")) { + settings(e.getKey) = e.getValue.unwrapped.toString + } + } + + /** Set a configuration variable. */ + def set(key: String, value: String): SparkConf = { + if (key == null) { + throw new NullPointerException("null key") + } + if (value == null) { + throw new NullPointerException("null value") + } + settings(key) = value + this + } + + /** + * The master URL to connect to, such as "local" to run locally with one thread, "local[4]" to + * run locally with 4 cores, or "spark://master:7077" to run on a Spark standalone cluster. + */ + def setMaster(master: String): SparkConf = { + set("spark.master", master) + } + + /** Set a name for your application. Shown in the Spark web UI. */ + def setAppName(name: String): SparkConf = { + set("spark.app.name", name) + } + + /** Set JAR files to distribute to the cluster. */ + def setJars(jars: Seq[String]): SparkConf = { + for (jar <- jars if (jar == null)) logWarning("null jar passed to SparkContext constructor") + set("spark.jars", jars.filter(_ != null).mkString(",")) + } + + /** Set JAR files to distribute to the cluster. (Java-friendly version.) */ + def setJars(jars: Array[String]): SparkConf = { + setJars(jars.toSeq) + } + + /** + * Set an environment variable to be used when launching executors for this application. + * These variables are stored as properties of the form spark.executorEnv.VAR_NAME + * (for example spark.executorEnv.PATH) but this method makes them easier to set. + */ + def setExecutorEnv(variable: String, value: String): SparkConf = { + set("spark.executorEnv." + variable, value) + } + + /** + * Set multiple environment variables to be used when launching executors. + * These variables are stored as properties of the form spark.executorEnv.VAR_NAME + * (for example spark.executorEnv.PATH) but this method makes them easier to set. + */ + def setExecutorEnv(variables: Seq[(String, String)]): SparkConf = { + for ((k, v) <- variables) { + setExecutorEnv(k, v) + } + this + } + + /** + * Set multiple environment variables to be used when launching executors. + * (Java-friendly version.) + */ + def setExecutorEnv(variables: Array[(String, String)]): SparkConf = { + setExecutorEnv(variables.toSeq) + } + + /** + * Set the location where Spark is installed on worker nodes. + */ + def setSparkHome(home: String): SparkConf = { + set("spark.home", home) + } + + /** Set multiple parameters together */ + def setAll(settings: Traversable[(String, String)]) = { + this.settings ++= settings + this + } + + /** Set a parameter if it isn't already configured */ + def setIfMissing(key: String, value: String): SparkConf = { + if (!settings.contains(key)) { + settings(key) = value + } + this + } + + /** Remove a parameter from the configuration */ + def remove(key: String): SparkConf = { + settings.remove(key) + this + } + + /** Get a parameter; throws a NoSuchElementException if it's not set */ + def get(key: String): String = { + settings.getOrElse(key, throw new NoSuchElementException(key)) + } + + /** Get a parameter, falling back to a default if not set */ + def get(key: String, defaultValue: String): String = { + settings.getOrElse(key, defaultValue) + } + + /** Get a parameter as an Option */ + def getOption(key: String): Option[String] = { + settings.get(key) + } + + /** Get all parameters as a list of pairs */ + def getAll: Array[(String, String)] = settings.clone().toArray + + /** Get a parameter as an integer, falling back to a default if not set */ + def getInt(key: String, defaultValue: Int): Int = { + getOption(key).map(_.toInt).getOrElse(defaultValue) + } + + /** Get a parameter as a long, falling back to a default if not set */ + def getLong(key: String, defaultValue: Long): Long = { + getOption(key).map(_.toLong).getOrElse(defaultValue) + } + + /** Get a parameter as a double, falling back to a default if not set */ + def getDouble(key: String, defaultValue: Double): Double = { + getOption(key).map(_.toDouble).getOrElse(defaultValue) + } + + /** Get all executor environment variables set on this SparkConf */ + def getExecutorEnv: Seq[(String, String)] = { + val prefix = "spark.executorEnv." + getAll.filter{case (k, v) => k.startsWith(prefix)} + .map{case (k, v) => (k.substring(prefix.length), v)} + } + + /** Does the configuration contain a given parameter? */ + def contains(key: String): Boolean = settings.contains(key) + + /** Copy this object */ + override def clone: SparkConf = { + new SparkConf(false).setAll(settings) + } + + /** + * Return a string listing all keys and values, one per line. This is useful to print the + * configuration out for debugging. + */ + def toDebugString: String = { + settings.toArray.sorted.map{case (k, v) => k + "=" + v}.mkString("\n") + } +} diff --git a/core/src/main/scala/org/apache/spark/SparkContext.scala b/core/src/main/scala/org/apache/spark/SparkContext.scala index ad3337d94c..e80e43af6d 100644 --- a/core/src/main/scala/org/apache/spark/SparkContext.scala +++ b/core/src/main/scala/org/apache/spark/SparkContext.scala @@ -19,36 +19,23 @@ package org.apache.spark import java.io._ import java.net.URI -import java.util.Properties +import java.util.{UUID, Properties} import java.util.concurrent.atomic.AtomicInteger -import scala.collection.Map +import scala.collection.{Map, Set} import scala.collection.generic.Growable -import scala.collection.mutable.ArrayBuffer -import scala.collection.mutable.HashMap + +import scala.collection.mutable.{ArrayBuffer, HashMap} import scala.reflect.{ClassTag, classTag} import org.apache.hadoop.conf.Configuration import org.apache.hadoop.fs.Path -import org.apache.hadoop.io.ArrayWritable -import org.apache.hadoop.io.BooleanWritable -import org.apache.hadoop.io.BytesWritable -import org.apache.hadoop.io.DoubleWritable -import org.apache.hadoop.io.FloatWritable -import org.apache.hadoop.io.IntWritable -import org.apache.hadoop.io.LongWritable -import org.apache.hadoop.io.NullWritable -import org.apache.hadoop.io.Text -import org.apache.hadoop.io.Writable -import org.apache.hadoop.mapred.FileInputFormat -import org.apache.hadoop.mapred.InputFormat -import org.apache.hadoop.mapred.JobConf -import org.apache.hadoop.mapred.SequenceFileInputFormat -import org.apache.hadoop.mapred.TextInputFormat -import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat} -import org.apache.hadoop.mapreduce.{Job => NewHadoopJob} +import org.apache.hadoop.io.{ArrayWritable, BooleanWritable, BytesWritable, DoubleWritable, +FloatWritable, IntWritable, LongWritable, NullWritable, Text, Writable} +import org.apache.hadoop.mapred.{FileInputFormat, InputFormat, JobConf, SequenceFileInputFormat, +TextInputFormat} +import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat, Job => NewHadoopJob} import org.apache.hadoop.mapreduce.lib.input.{FileInputFormat => NewFileInputFormat} - import org.apache.mesos.MesosNativeLibrary import org.apache.spark.deploy.{LocalSparkCluster, SparkHadoopUtil} @@ -61,53 +48,97 @@ import org.apache.spark.scheduler.cluster.mesos.{CoarseMesosSchedulerBackend, Me import org.apache.spark.scheduler.local.LocalBackend import org.apache.spark.storage.{BlockManagerSource, RDDInfo, StorageStatus, StorageUtils} import org.apache.spark.ui.SparkUI -import org.apache.spark.util.{ClosureCleaner, MetadataCleaner, MetadataCleanerType, - TimeStampedHashMap, Utils} +import org.apache.spark.util.{Utils, TimeStampedHashMap, MetadataCleaner, MetadataCleanerType, +ClosureCleaner} /** * Main entry point for Spark functionality. A SparkContext represents the connection to a Spark * cluster, and can be used to create RDDs, accumulators and broadcast variables on that cluster. * - * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). - * @param appName A name for your application, to display on the cluster web UI. - * @param sparkHome Location where Spark is installed on cluster nodes. - * @param jars Collection of JARs to send to the cluster. These can be paths on the local file - * system or HDFS, HTTP, HTTPS, or FTP URLs. - * @param environment Environment variables to set on worker nodes. + * @param config a Spark Config object describing the application configuration. Any settings in + * this config overrides the default configs as well as system properties. + * @param preferredNodeLocationData used in YARN mode to select nodes to launch containers on. Can + * be generated using [[org.apache.spark.scheduler.InputFormatInfo.computePreferredLocations]] + * from a list of input files or InputFormats for the application. */ class SparkContext( - val master: String, - val appName: String, - val sparkHome: String = null, - val jars: Seq[String] = Nil, - val environment: Map[String, String] = Map(), + config: SparkConf, // This is used only by YARN for now, but should be relevant to other cluster types (Mesos, etc) - // too. This is typically generated from InputFormatInfo.computePreferredLocations .. host, set - // of data-local splits on host - val preferredNodeLocationData: scala.collection.Map[String, scala.collection.Set[SplitInfo]] = - scala.collection.immutable.Map()) + // too. This is typically generated from InputFormatInfo.computePreferredLocations. It contains + // a map from hostname to a list of input format splits on the host. + val preferredNodeLocationData: Map[String, Set[SplitInfo]] = Map()) extends Logging { - // Ensure logging is initialized before we spawn any threads - initLogging() + /** + * Alternative constructor that allows setting common Spark properties directly + * + * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). + * @param appName A name for your application, to display on the cluster web UI + * @param conf a [[org.apache.spark.SparkConf]] object specifying other Spark parameters + */ + def this(master: String, appName: String, conf: SparkConf) = + this(SparkContext.updatedConf(conf, master, appName)) - // Set Spark driver host and port system properties - if (System.getProperty("spark.driver.host") == null) { - System.setProperty("spark.driver.host", Utils.localHostName()) + /** + * Alternative constructor that allows setting common Spark properties directly + * + * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). + * @param appName A name for your application, to display on the cluster web UI. + * @param sparkHome Location where Spark is installed on cluster nodes. + * @param jars Collection of JARs to send to the cluster. These can be paths on the local file + * system or HDFS, HTTP, HTTPS, or FTP URLs. + * @param environment Environment variables to set on worker nodes. + */ + def this( + master: String, + appName: String, + sparkHome: String = null, + jars: Seq[String] = Nil, + environment: Map[String, String] = Map(), + preferredNodeLocationData: Map[String, Set[SplitInfo]] = Map()) = + { + this(SparkContext.updatedConf(new SparkConf(), master, appName, sparkHome, jars, environment), + preferredNodeLocationData) } - if (System.getProperty("spark.driver.port") == null) { - System.setProperty("spark.driver.port", "0") + + private[spark] val conf = config.clone() + + /** + * Return a copy of this SparkContext's configuration. The configuration ''cannot'' be + * changed at runtime. + */ + def getConf: SparkConf = conf.clone() + + if (!conf.contains("spark.master")) { + throw new SparkException("A master URL must be set in your configuration") + } + if (!conf.contains("spark.app.name")) { + throw new SparkException("An application must be set in your configuration") + } + + // Set Spark driver host and port system properties + conf.setIfMissing("spark.driver.host", Utils.localHostName()) + conf.setIfMissing("spark.driver.port", "0") + + val jars: Seq[String] = if (conf.contains("spark.jars")) { + conf.get("spark.jars").split(",").filter(_.size != 0) + } else { + null } + val master = conf.get("spark.master") + val appName = conf.get("spark.app.name") + val isLocal = (master == "local" || master.startsWith("local[")) // Create the Spark execution environment (cache, map output tracker, etc) - private[spark] val env = SparkEnv.createFromSystemProperties( + private[spark] val env = SparkEnv.create( + conf, "<driver>", - System.getProperty("spark.driver.host"), - System.getProperty("spark.driver.port").toInt, - true, - isLocal) + conf.get("spark.driver.host"), + conf.get("spark.driver.port").toInt, + isDriver = true, + isLocal = isLocal) SparkEnv.set(env) // Used to store a URL for each static file/jar together with the file's local timestamp @@ -116,7 +147,8 @@ class SparkContext( // Keeps track of all persisted RDDs private[spark] val persistentRdds = new TimeStampedHashMap[Int, RDD[_]] - private[spark] val metadataCleaner = new MetadataCleaner(MetadataCleanerType.SPARK_CONTEXT, this.cleanup) + private[spark] val metadataCleaner = + new MetadataCleaner(MetadataCleanerType.SPARK_CONTEXT, this.cleanup, conf) // Initialize the Spark UI private[spark] val ui = new SparkUI(this) @@ -126,23 +158,30 @@ class SparkContext( // Add each JAR given through the constructor if (jars != null) { - jars.foreach { addJar(_) } + jars.foreach(addJar) } + private[spark] val executorMemory = conf.getOption("spark.executor.memory") + .orElse(Option(System.getenv("SPARK_MEM"))) + .map(Utils.memoryStringToMb) + .getOrElse(512) + // Environment variables to pass to our executors private[spark] val executorEnvs = HashMap[String, String]() // Note: SPARK_MEM is included for Mesos, but overwritten for standalone mode in ExecutorRunner - for (key <- Seq("SPARK_CLASSPATH", "SPARK_LIBRARY_PATH", "SPARK_JAVA_OPTS", "SPARK_TESTING")) { - val value = System.getenv(key) - if (value != null) { - executorEnvs(key) = value - } + for (key <- Seq("SPARK_CLASSPATH", "SPARK_LIBRARY_PATH", "SPARK_JAVA_OPTS"); + value <- Option(System.getenv(key))) { + executorEnvs(key) = value } - // Since memory can be set with a system property too, use that - executorEnvs("SPARK_MEM") = SparkContext.executorMemoryRequested + "m" - if (environment != null) { - executorEnvs ++= environment + // Convert java options to env vars as a work around + // since we can't set env vars directly in sbt. + for { (envKey, propKey) <- Seq(("SPARK_HOME", "spark.home"), ("SPARK_TESTING", "spark.testing")) + value <- Option(System.getenv(envKey)).orElse(Option(System.getProperty(propKey)))} { + executorEnvs(envKey) = value } + // Since memory can be set with a system property too, use that + executorEnvs("SPARK_MEM") = executorMemory + "m" + executorEnvs ++= conf.getExecutorEnv // Set SPARK_USER for user who is running SparkContext. val sparkUser = Option { @@ -164,24 +203,24 @@ class SparkContext( /** A default Hadoop Configuration for the Hadoop code (e.g. file systems) that we reuse. */ val hadoopConfiguration = { val env = SparkEnv.get - val conf = SparkHadoopUtil.get.newConfiguration() + val hadoopConf = SparkHadoopUtil.get.newConfiguration() // Explicitly check for S3 environment variables if (System.getenv("AWS_ACCESS_KEY_ID") != null && System.getenv("AWS_SECRET_ACCESS_KEY") != null) { - conf.set("fs.s3.awsAccessKeyId", System.getenv("AWS_ACCESS_KEY_ID")) - conf.set("fs.s3n.awsAccessKeyId", System.getenv("AWS_ACCESS_KEY_ID")) - conf.set("fs.s3.awsSecretAccessKey", System.getenv("AWS_SECRET_ACCESS_KEY")) - conf.set("fs.s3n.awsSecretAccessKey", System.getenv("AWS_SECRET_ACCESS_KEY")) + hadoopConf.set("fs.s3.awsAccessKeyId", System.getenv("AWS_ACCESS_KEY_ID")) + hadoopConf.set("fs.s3n.awsAccessKeyId", System.getenv("AWS_ACCESS_KEY_ID")) + hadoopConf.set("fs.s3.awsSecretAccessKey", System.getenv("AWS_SECRET_ACCESS_KEY")) + hadoopConf.set("fs.s3n.awsSecretAccessKey", System.getenv("AWS_SECRET_ACCESS_KEY")) } // Copy any "spark.hadoop.foo=bar" system properties into conf as "foo=bar" - Utils.getSystemProperties.foreach { case (key, value) => + conf.getAll.foreach { case (key, value) => if (key.startsWith("spark.hadoop.")) { - conf.set(key.substring("spark.hadoop.".length), value) + hadoopConf.set(key.substring("spark.hadoop.".length), value) } } - val bufferSize = System.getProperty("spark.buffer.size", "65536") - conf.set("io.file.buffer.size", bufferSize) - conf + val bufferSize = conf.get("spark.buffer.size", "65536") + hadoopConf.set("io.file.buffer.size", bufferSize) + hadoopConf } private[spark] var checkpointDir: Option[String] = None @@ -191,7 +230,7 @@ class SparkContext( override protected def childValue(parent: Properties): Properties = new Properties(parent) } - private[spark] def getLocalProperties(): Properties = localProperties.get() + private[spark] def getLocalProperties: Properties = localProperties.get() private[spark] def setLocalProperties(props: Properties) { localProperties.set(props) @@ -522,7 +561,7 @@ class SparkContext( addedFiles(key) = System.currentTimeMillis // Fetch the file locally in case a job is executed using DAGScheduler.runLocally(). - Utils.fetchFile(path, new File(SparkFiles.getRootDirectory)) + Utils.fetchFile(path, new File(SparkFiles.getRootDirectory), conf) logInfo("Added file " + path + " at " + key + " with timestamp " + addedFiles(key)) } @@ -692,15 +731,27 @@ class SparkContext( * (in that order of preference). If neither of these is set, return None. */ private[spark] def getSparkHome(): Option[String] = { - if (sparkHome != null) { - Some(sparkHome) - } else if (System.getProperty("spark.home") != null) { - Some(System.getProperty("spark.home")) - } else if (System.getenv("SPARK_HOME") != null) { - Some(System.getenv("SPARK_HOME")) - } else { - None - } + conf.getOption("spark.home").orElse(Option(System.getenv("SPARK_HOME"))) + } + + /** + * Support function for API backtraces. + */ + def setCallSite(site: String) { + setLocalProperty("externalCallSite", site) + } + + /** + * Support function for API backtraces. + */ + def clearCallSite() { + setLocalProperty("externalCallSite", null) + } + + private[spark] def getCallSite(): String = { + val callSite = getLocalProperty("externalCallSite") + if (callSite == null) return Utils.formatSparkCallSite + callSite } /** @@ -715,7 +766,7 @@ class SparkContext( partitions: Seq[Int], allowLocal: Boolean, resultHandler: (Int, U) => Unit) { - val callSite = Utils.formatSparkCallSite + val callSite = getCallSite val cleanedFunc = clean(func) logInfo("Starting job: " + callSite) val start = System.nanoTime @@ -799,7 +850,7 @@ class SparkContext( func: (TaskContext, Iterator[T]) => U, evaluator: ApproximateEvaluator[U, R], timeout: Long): PartialResult[R] = { - val callSite = Utils.formatSparkCallSite + val callSite = getCallSite logInfo("Starting job: " + callSite) val start = System.nanoTime val result = dagScheduler.runApproximateJob(rdd, func, evaluator, callSite, timeout, @@ -819,7 +870,7 @@ class SparkContext( resultFunc: => R): SimpleFutureAction[R] = { val cleanF = clean(processPartition) - val callSite = Utils.formatSparkCallSite + val callSite = getCallSite val waiter = dagScheduler.submitJob( rdd, (context: TaskContext, iter: Iterator[T]) => cleanF(iter), @@ -855,22 +906,15 @@ class SparkContext( /** * Set the directory under which RDDs are going to be checkpointed. The directory must - * be a HDFS path if running on a cluster. If the directory does not exist, it will - * be created. If the directory exists and useExisting is set to true, then the - * exisiting directory will be used. Otherwise an exception will be thrown to - * prevent accidental overriding of checkpoint files in the existing directory. + * be a HDFS path if running on a cluster. */ - def setCheckpointDir(dir: String, useExisting: Boolean = false) { - val path = new Path(dir) - val fs = path.getFileSystem(SparkHadoopUtil.get.newConfiguration()) - if (!useExisting) { - if (fs.exists(path)) { - throw new Exception("Checkpoint directory '" + path + "' already exists.") - } else { - fs.mkdirs(path) - } + def setCheckpointDir(directory: String) { + checkpointDir = Option(directory).map { dir => + val path = new Path(dir, UUID.randomUUID().toString) + val fs = path.getFileSystem(hadoopConfiguration) + fs.mkdirs(path) + fs.getFileStatus(path).getPath().toString } - checkpointDir = Some(dir) } /** Default level of parallelism to use when not given by user (e.g. parallelize and makeRDD). */ @@ -994,7 +1038,7 @@ object SparkContext { /** * Find the JAR from which a given class was loaded, to make it easy for users to pass - * their JARs to SparkContext + * their JARs to SparkContext. */ def jarOfClass(cls: Class[_]): Seq[String] = { val uri = cls.getResource("/" + cls.getName.replace('.', '/') + ".class") @@ -1011,21 +1055,44 @@ object SparkContext { } } - /** Find the JAR that contains the class of a particular object */ + /** + * Find the JAR that contains the class of a particular object, to make it easy for users + * to pass their JARs to SparkContext. In most cases you can call jarOfObject(this) in + * your driver program. + */ def jarOfObject(obj: AnyRef): Seq[String] = jarOfClass(obj.getClass) - /** Get the amount of memory per executor requested through system properties or SPARK_MEM */ - private[spark] val executorMemoryRequested = { - // TODO: Might need to add some extra memory for the non-heap parts of the JVM - Option(System.getProperty("spark.executor.memory")) - .orElse(Option(System.getenv("SPARK_MEM"))) - .map(Utils.memoryStringToMb) - .getOrElse(512) + /** + * Creates a modified version of a SparkConf with the parameters that can be passed separately + * to SparkContext, to make it easier to write SparkContext's constructors. This ignores + * parameters that are passed as the default value of null, instead of throwing an exception + * like SparkConf would. + */ + private def updatedConf( + conf: SparkConf, + master: String, + appName: String, + sparkHome: String = null, + jars: Seq[String] = Nil, + environment: Map[String, String] = Map()): SparkConf = + { + val res = conf.clone() + res.setMaster(master) + res.setAppName(appName) + if (sparkHome != null) { + res.setSparkHome(sparkHome) + } + if (!jars.isEmpty) { + res.setJars(jars) + } + res.setExecutorEnv(environment.toSeq) + res } - // Creates a task scheduler based on a given master URL. Extracted for testing. - private - def createTaskScheduler(sc: SparkContext, master: String, appName: String): TaskScheduler = { + /** Creates a task scheduler based on a given master URL. Extracted for testing. */ + private def createTaskScheduler(sc: SparkContext, master: String, appName: String) + : TaskScheduler = + { // Regular expression used for local[N] master format val LOCAL_N_REGEX = """local\[([0-9]+)\]""".r // Regular expression for local[N, maxRetries], used in tests with failing tasks @@ -1071,10 +1138,10 @@ object SparkContext { case LOCAL_CLUSTER_REGEX(numSlaves, coresPerSlave, memoryPerSlave) => // Check to make sure memory requested <= memoryPerSlave. Otherwise Spark will just hang. val memoryPerSlaveInt = memoryPerSlave.toInt - if (SparkContext.executorMemoryRequested > memoryPerSlaveInt) { + if (sc.executorMemory > memoryPerSlaveInt) { throw new SparkException( "Asked to launch cluster with %d MB RAM / worker but requested %d MB/worker".format( - memoryPerSlaveInt, SparkContext.executorMemoryRequested)) + memoryPerSlaveInt, sc.executorMemory)) } val scheduler = new TaskSchedulerImpl(sc) @@ -1132,7 +1199,7 @@ object SparkContext { case mesosUrl @ MESOS_REGEX(_) => MesosNativeLibrary.load() val scheduler = new TaskSchedulerImpl(sc) - val coarseGrained = System.getProperty("spark.mesos.coarse", "false").toBoolean + val coarseGrained = sc.conf.get("spark.mesos.coarse", "false").toBoolean val url = mesosUrl.stripPrefix("mesos://") // strip scheme from raw Mesos URLs val backend = if (coarseGrained) { new CoarseMesosSchedulerBackend(scheduler, sc, url, appName) diff --git a/core/src/main/scala/org/apache/spark/SparkEnv.scala b/core/src/main/scala/org/apache/spark/SparkEnv.scala index 826f5c2d8c..634a94f0a7 100644 --- a/core/src/main/scala/org/apache/spark/SparkEnv.scala +++ b/core/src/main/scala/org/apache/spark/SparkEnv.scala @@ -40,7 +40,7 @@ import com.google.common.collect.MapMaker * objects needs to have the right SparkEnv set. You can get the current environment with * SparkEnv.get (e.g. after creating a SparkContext) and set it with SparkEnv.set. */ -class SparkEnv ( +class SparkEnv private[spark] ( val executorId: String, val actorSystem: ActorSystem, val serializerManager: SerializerManager, @@ -54,7 +54,8 @@ class SparkEnv ( val connectionManager: ConnectionManager, val httpFileServer: HttpFileServer, val sparkFilesDir: String, - val metricsSystem: MetricsSystem) { + val metricsSystem: MetricsSystem, + val conf: SparkConf) { private val pythonWorkers = mutable.HashMap[(String, Map[String, String]), PythonWorkerFactory]() @@ -62,7 +63,7 @@ class SparkEnv ( // (e.g., HadoopFileRDD uses this to cache JobConfs and InputFormats). private[spark] val hadoopJobMetadata = new MapMaker().softValues().makeMap[String, Any]() - def stop() { + private[spark] def stop() { pythonWorkers.foreach { case(key, worker) => worker.stop() } httpFileServer.stop() mapOutputTracker.stop() @@ -78,6 +79,7 @@ class SparkEnv ( //actorSystem.awaitTermination() } + private[spark] def createPythonWorker(pythonExec: String, envVars: Map[String, String]): java.net.Socket = { synchronized { val key = (pythonExec, envVars) @@ -106,33 +108,35 @@ object SparkEnv extends Logging { /** * Returns the ThreadLocal SparkEnv. */ - def getThreadLocal : SparkEnv = { + def getThreadLocal: SparkEnv = { env.get() } - def createFromSystemProperties( + private[spark] def create( + conf: SparkConf, executorId: String, hostname: String, port: Int, isDriver: Boolean, isLocal: Boolean): SparkEnv = { - val (actorSystem, boundPort) = AkkaUtils.createActorSystem("spark", hostname, port) + val (actorSystem, boundPort) = AkkaUtils.createActorSystem("spark", hostname, port, + conf = conf) // Bit of a hack: If this is the driver and our port was 0 (meaning bind to any free port), // figure out which port number Akka actually bound to and set spark.driver.port to it. if (isDriver && port == 0) { - System.setProperty("spark.driver.port", boundPort.toString) + conf.set("spark.driver.port", boundPort.toString) } // set only if unset until now. - if (System.getProperty("spark.hostPort", null) == null) { + if (!conf.contains("spark.hostPort")) { if (!isDriver){ // unexpected Utils.logErrorWithStack("Unexpected NOT to have spark.hostPort set") } Utils.checkHost(hostname) - System.setProperty("spark.hostPort", hostname + ":" + boundPort) + conf.set("spark.hostPort", hostname + ":" + boundPort) } val classLoader = Thread.currentThread.getContextClassLoader @@ -140,25 +144,26 @@ object SparkEnv extends Logging { // Create an instance of the class named by the given Java system property, or by // defaultClassName if the property is not set, and return it as a T def instantiateClass[T](propertyName: String, defaultClassName: String): T = { - val name = System.getProperty(propertyName, defaultClassName) + val name = conf.get(propertyName, defaultClassName) Class.forName(name, true, classLoader).newInstance().asInstanceOf[T] } val serializerManager = new SerializerManager val serializer = serializerManager.setDefault( - System.getProperty("spark.serializer", "org.apache.spark.serializer.JavaSerializer")) + conf.get("spark.serializer", "org.apache.spark.serializer.JavaSerializer"), conf) val closureSerializer = serializerManager.get( - System.getProperty("spark.closure.serializer", "org.apache.spark.serializer.JavaSerializer")) + conf.get("spark.closure.serializer", "org.apache.spark.serializer.JavaSerializer"), + conf) def registerOrLookup(name: String, newActor: => Actor): Either[ActorRef, ActorSelection] = { if (isDriver) { logInfo("Registering " + name) Left(actorSystem.actorOf(Props(newActor), name = name)) } else { - val driverHost: String = System.getProperty("spark.driver.host", "localhost") - val driverPort: Int = System.getProperty("spark.driver.port", "7077").toInt + val driverHost: String = conf.get("spark.driver.host", "localhost") + val driverPort: Int = conf.get("spark.driver.port", "7077").toInt Utils.checkHost(driverHost, "Expected hostname") val url = "akka.tcp://spark@%s:%s/user/%s".format(driverHost, driverPort, name) logInfo("Connecting to " + name + ": " + url) @@ -168,21 +173,21 @@ object SparkEnv extends Logging { val blockManagerMaster = new BlockManagerMaster(registerOrLookup( "BlockManagerMaster", - new BlockManagerMasterActor(isLocal))) - val blockManager = new BlockManager(executorId, actorSystem, blockManagerMaster, serializer) + new BlockManagerMasterActor(isLocal, conf)), conf) + val blockManager = new BlockManager(executorId, actorSystem, blockManagerMaster, serializer, conf) val connectionManager = blockManager.connectionManager - val broadcastManager = new BroadcastManager(isDriver) + val broadcastManager = new BroadcastManager(isDriver, conf) val cacheManager = new CacheManager(blockManager) // Have to assign trackerActor after initialization as MapOutputTrackerActor // requires the MapOutputTracker itself val mapOutputTracker = if (isDriver) { - new MapOutputTrackerMaster() + new MapOutputTrackerMaster(conf) } else { - new MapOutputTracker() + new MapOutputTracker(conf) } mapOutputTracker.trackerActor = registerOrLookup( "MapOutputTracker", @@ -193,12 +198,12 @@ object SparkEnv extends Logging { val httpFileServer = new HttpFileServer() httpFileServer.initialize() - System.setProperty("spark.fileserver.uri", httpFileServer.serverUri) + conf.set("spark.fileserver.uri", httpFileServer.serverUri) val metricsSystem = if (isDriver) { - MetricsSystem.createMetricsSystem("driver") + MetricsSystem.createMetricsSystem("driver", conf) } else { - MetricsSystem.createMetricsSystem("executor") + MetricsSystem.createMetricsSystem("executor", conf) } metricsSystem.start() @@ -212,7 +217,7 @@ object SparkEnv extends Logging { } // Warn about deprecated spark.cache.class property - if (System.getProperty("spark.cache.class") != null) { + if (conf.contains("spark.cache.class")) { logWarning("The spark.cache.class property is no longer being used! Specify storage " + "levels using the RDD.persist() method instead.") } @@ -231,6 +236,7 @@ object SparkEnv extends Logging { connectionManager, httpFileServer, sparkFilesDir, - metricsSystem) + metricsSystem, + conf) } } diff --git a/core/src/main/scala/org/apache/spark/TaskEndReason.scala b/core/src/main/scala/org/apache/spark/TaskEndReason.scala index c1e5e04b31..faf6dcd618 100644 --- a/core/src/main/scala/org/apache/spark/TaskEndReason.scala +++ b/core/src/main/scala/org/apache/spark/TaskEndReason.scala @@ -53,5 +53,3 @@ private[spark] case class ExceptionFailure( private[spark] case object TaskResultLost extends TaskEndReason private[spark] case object TaskKilled extends TaskEndReason - -private[spark] case class OtherFailure(message: String) extends TaskEndReason diff --git a/core/src/main/scala/org/apache/spark/api/java/JavaPairRDD.scala b/core/src/main/scala/org/apache/spark/api/java/JavaPairRDD.scala index 363667fa86..55c87450ac 100644 --- a/core/src/main/scala/org/apache/spark/api/java/JavaPairRDD.scala +++ b/core/src/main/scala/org/apache/spark/api/java/JavaPairRDD.scala @@ -611,6 +611,42 @@ class JavaPairRDD[K, V](val rdd: RDD[(K, V)])(implicit val kClassTag: ClassTag[K * Return an RDD with the values of each tuple. */ def values(): JavaRDD[V] = JavaRDD.fromRDD[V](rdd.map(_._2)) + + /** + * Return approximate number of distinct values for each key in this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. Uses the provided + * Partitioner to partition the output RDD. + */ + def countApproxDistinctByKey(relativeSD: Double, partitioner: Partitioner): JavaRDD[(K, Long)] = { + rdd.countApproxDistinctByKey(relativeSD, partitioner) + } + + /** + * Return approximate number of distinct values for each key this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. The default value of + * relativeSD is 0.05. Hash-partitions the output RDD using the existing partitioner/parallelism + * level. + */ + def countApproxDistinctByKey(relativeSD: Double = 0.05): JavaRDD[(K, Long)] = { + rdd.countApproxDistinctByKey(relativeSD) + } + + + /** + * Return approximate number of distinct values for each key in this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. HashPartitions the + * output RDD into numPartitions. + * + */ + def countApproxDistinctByKey(relativeSD: Double, numPartitions: Int): JavaRDD[(K, Long)] = { + rdd.countApproxDistinctByKey(relativeSD, numPartitions) + } } object JavaPairRDD { diff --git a/core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala b/core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala index f344804b4c..924d8af060 100644 --- a/core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala +++ b/core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala @@ -444,4 +444,15 @@ trait JavaRDDLike[T, This <: JavaRDDLike[T, This]] extends Serializable { val comp = com.google.common.collect.Ordering.natural().asInstanceOf[Comparator[T]] takeOrdered(num, comp) } + + /** + * Return approximate number of distinct elements in the RDD. + * + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. The default value of + * relativeSD is 0.05. + */ + def countApproxDistinct(relativeSD: Double = 0.05): Long = rdd.countApproxDistinct(relativeSD) + } diff --git a/core/src/main/scala/org/apache/spark/api/java/JavaSparkContext.scala b/core/src/main/scala/org/apache/spark/api/java/JavaSparkContext.scala index acf328aa6a..e93b10fd7e 100644 --- a/core/src/main/scala/org/apache/spark/api/java/JavaSparkContext.scala +++ b/core/src/main/scala/org/apache/spark/api/java/JavaSparkContext.scala @@ -29,17 +29,22 @@ import org.apache.hadoop.mapred.JobConf import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat} import com.google.common.base.Optional -import org.apache.spark.{Accumulable, AccumulableParam, Accumulator, AccumulatorParam, SparkContext} +import org.apache.spark._ import org.apache.spark.SparkContext.IntAccumulatorParam import org.apache.spark.SparkContext.DoubleAccumulatorParam import org.apache.spark.broadcast.Broadcast import org.apache.spark.rdd.RDD +import scala.Tuple2 /** * A Java-friendly version of [[org.apache.spark.SparkContext]] that returns [[org.apache.spark.api.java.JavaRDD]]s and * works with Java collections instead of Scala ones. */ class JavaSparkContext(val sc: SparkContext) extends JavaSparkContextVarargsWorkaround { + /** + * @param conf a [[org.apache.spark.SparkConf]] object specifying Spark parameters + */ + def this(conf: SparkConf) = this(new SparkContext(conf)) /** * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). @@ -50,6 +55,14 @@ class JavaSparkContext(val sc: SparkContext) extends JavaSparkContextVarargsWork /** * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). * @param appName A name for your application, to display on the cluster web UI + * @param conf a [[org.apache.spark.SparkConf]] object specifying other Spark parameters + */ + def this(master: String, appName: String, conf: SparkConf) = + this(conf.setMaster(master).setAppName(appName)) + + /** + * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). + * @param appName A name for your application, to display on the cluster web UI * @param sparkHome The SPARK_HOME directory on the slave nodes * @param jarFile JAR file to send to the cluster. This can be a path on the local file system * or an HDFS, HTTP, HTTPS, or FTP URL. @@ -381,20 +394,7 @@ class JavaSparkContext(val sc: SparkContext) extends JavaSparkContextVarargsWork /** * Set the directory under which RDDs are going to be checkpointed. The directory must - * be a HDFS path if running on a cluster. If the directory does not exist, it will - * be created. If the directory exists and useExisting is set to true, then the - * exisiting directory will be used. Otherwise an exception will be thrown to - * prevent accidental overriding of checkpoint files in the existing directory. - */ - def setCheckpointDir(dir: String, useExisting: Boolean) { - sc.setCheckpointDir(dir, useExisting) - } - - /** - * Set the directory under which RDDs are going to be checkpointed. The directory must - * be a HDFS path if running on a cluster. If the directory does not exist, it will - * be created. If the directory exists, an exception will be thrown to prevent accidental - * overriding of checkpoint files. + * be a HDFS path if running on a cluster. */ def setCheckpointDir(dir: String) { sc.setCheckpointDir(dir) @@ -405,10 +405,36 @@ class JavaSparkContext(val sc: SparkContext) extends JavaSparkContextVarargsWork implicitly[ClassTag[AnyRef]].asInstanceOf[ClassTag[T]] new JavaRDD(sc.checkpointFile(path)) } + + /** + * Return a copy of this JavaSparkContext's configuration. The configuration ''cannot'' be + * changed at runtime. + */ + def getConf: SparkConf = sc.getConf + + /** + * Pass-through to SparkContext.setCallSite. For API support only. + */ + def setCallSite(site: String) { + sc.setCallSite(site) + } + + /** + * Pass-through to SparkContext.setCallSite. For API support only. + */ + def clearCallSite() { + sc.clearCallSite() + } } object JavaSparkContext { implicit def fromSparkContext(sc: SparkContext): JavaSparkContext = new JavaSparkContext(sc) implicit def toSparkContext(jsc: JavaSparkContext): SparkContext = jsc.sc + + /** + * Find the JAR from which a given class was loaded, to make it easy for users to pass + * their JARs to SparkContext. + */ + def jarOfClass(cls: Class[_]) = SparkContext.jarOfClass(cls).toArray } diff --git a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala index ca42c76928..32cc70e8c9 100644 --- a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala +++ b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala @@ -41,7 +41,7 @@ private[spark] class PythonRDD[T: ClassTag]( accumulator: Accumulator[JList[Array[Byte]]]) extends RDD[Array[Byte]](parent) { - val bufferSize = System.getProperty("spark.buffer.size", "65536").toInt + val bufferSize = conf.get("spark.buffer.size", "65536").toInt override def getPartitions = parent.partitions @@ -250,7 +250,7 @@ private class PythonAccumulatorParam(@transient serverHost: String, serverPort: Utils.checkHost(serverHost, "Expected hostname") - val bufferSize = System.getProperty("spark.buffer.size", "65536").toInt + val bufferSize = SparkEnv.get.conf.get("spark.buffer.size", "65536").toInt override def zero(value: JList[Array[Byte]]): JList[Array[Byte]] = new JArrayList diff --git a/core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala b/core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala index 43c18294c5..0fc478a419 100644 --- a/core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala +++ b/core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala @@ -31,8 +31,8 @@ abstract class Broadcast[T](private[spark] val id: Long) extends Serializable { override def toString = "Broadcast(" + id + ")" } -private[spark] -class BroadcastManager(val _isDriver: Boolean) extends Logging with Serializable { +private[spark] +class BroadcastManager(val _isDriver: Boolean, conf: SparkConf) extends Logging with Serializable { private var initialized = false private var broadcastFactory: BroadcastFactory = null @@ -43,14 +43,14 @@ class BroadcastManager(val _isDriver: Boolean) extends Logging with Serializable private def initialize() { synchronized { if (!initialized) { - val broadcastFactoryClass = System.getProperty( + val broadcastFactoryClass = conf.get( "spark.broadcast.factory", "org.apache.spark.broadcast.HttpBroadcastFactory") broadcastFactory = Class.forName(broadcastFactoryClass).newInstance.asInstanceOf[BroadcastFactory] // Initialize appropriate BroadcastFactory and BroadcastObject - broadcastFactory.initialize(isDriver) + broadcastFactory.initialize(isDriver, conf) initialized = true } diff --git a/core/src/main/scala/org/apache/spark/broadcast/BroadcastFactory.scala b/core/src/main/scala/org/apache/spark/broadcast/BroadcastFactory.scala index 68bff75b90..fb161ce69d 100644 --- a/core/src/main/scala/org/apache/spark/broadcast/BroadcastFactory.scala +++ b/core/src/main/scala/org/apache/spark/broadcast/BroadcastFactory.scala @@ -17,6 +17,8 @@ package org.apache.spark.broadcast +import org.apache.spark.SparkConf + /** * An interface for all the broadcast implementations in Spark (to allow * multiple broadcast implementations). SparkContext uses a user-specified @@ -24,7 +26,7 @@ package org.apache.spark.broadcast * entire Spark job. */ private[spark] trait BroadcastFactory { - def initialize(isDriver: Boolean): Unit + def initialize(isDriver: Boolean, conf: SparkConf): Unit def newBroadcast[T](value: T, isLocal: Boolean, id: Long): Broadcast[T] def stop(): Unit } diff --git a/core/src/main/scala/org/apache/spark/broadcast/HttpBroadcast.scala b/core/src/main/scala/org/apache/spark/broadcast/HttpBroadcast.scala index 47db720416..db596d5fcc 100644 --- a/core/src/main/scala/org/apache/spark/broadcast/HttpBroadcast.scala +++ b/core/src/main/scala/org/apache/spark/broadcast/HttpBroadcast.scala @@ -24,14 +24,14 @@ import java.util.concurrent.TimeUnit import it.unimi.dsi.fastutil.io.FastBufferedInputStream import it.unimi.dsi.fastutil.io.FastBufferedOutputStream -import org.apache.spark.{HttpServer, Logging, SparkEnv} +import org.apache.spark.{SparkConf, HttpServer, Logging, SparkEnv} import org.apache.spark.io.CompressionCodec import org.apache.spark.storage.{BroadcastBlockId, StorageLevel} import org.apache.spark.util.{MetadataCleaner, MetadataCleanerType, TimeStampedHashSet, Utils} private[spark] class HttpBroadcast[T](@transient var value_ : T, isLocal: Boolean, id: Long) extends Broadcast[T](id) with Logging with Serializable { - + def value = value_ def blockId = BroadcastBlockId(id) @@ -40,7 +40,7 @@ private[spark] class HttpBroadcast[T](@transient var value_ : T, isLocal: Boolea SparkEnv.get.blockManager.putSingle(blockId, value_, StorageLevel.MEMORY_AND_DISK, false) } - if (!isLocal) { + if (!isLocal) { HttpBroadcast.write(id, value_) } @@ -64,7 +64,7 @@ private[spark] class HttpBroadcast[T](@transient var value_ : T, isLocal: Boolea } private[spark] class HttpBroadcastFactory extends BroadcastFactory { - def initialize(isDriver: Boolean) { HttpBroadcast.initialize(isDriver) } + def initialize(isDriver: Boolean, conf: SparkConf) { HttpBroadcast.initialize(isDriver, conf) } def newBroadcast[T](value_ : T, isLocal: Boolean, id: Long) = new HttpBroadcast[T](value_, isLocal, id) @@ -81,44 +81,51 @@ private object HttpBroadcast extends Logging { private var serverUri: String = null private var server: HttpServer = null + // TODO: This shouldn't be a global variable so that multiple SparkContexts can coexist private val files = new TimeStampedHashSet[String] - private val cleaner = new MetadataCleaner(MetadataCleanerType.HTTP_BROADCAST, cleanup) + private var cleaner: MetadataCleaner = null - private val httpReadTimeout = TimeUnit.MILLISECONDS.convert(5,TimeUnit.MINUTES).toInt + private val httpReadTimeout = TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES).toInt - private lazy val compressionCodec = CompressionCodec.createCodec() + private var compressionCodec: CompressionCodec = null - def initialize(isDriver: Boolean) { + def initialize(isDriver: Boolean, conf: SparkConf) { synchronized { if (!initialized) { - bufferSize = System.getProperty("spark.buffer.size", "65536").toInt - compress = System.getProperty("spark.broadcast.compress", "true").toBoolean + bufferSize = conf.get("spark.buffer.size", "65536").toInt + compress = conf.get("spark.broadcast.compress", "true").toBoolean if (isDriver) { - createServer() + createServer(conf) + conf.set("spark.httpBroadcast.uri", serverUri) } - serverUri = System.getProperty("spark.httpBroadcast.uri") + serverUri = conf.get("spark.httpBroadcast.uri") + cleaner = new MetadataCleaner(MetadataCleanerType.HTTP_BROADCAST, cleanup, conf) + compressionCodec = CompressionCodec.createCodec(conf) initialized = true } } } - + def stop() { synchronized { if (server != null) { server.stop() server = null } + if (cleaner != null) { + cleaner.cancel() + cleaner = null + } + compressionCodec = null initialized = false - cleaner.cancel() } } - private def createServer() { - broadcastDir = Utils.createTempDir(Utils.getLocalDir) + private def createServer(conf: SparkConf) { + broadcastDir = Utils.createTempDir(Utils.getLocalDir(conf)) server = new HttpServer(broadcastDir) server.start() serverUri = server.uri - System.setProperty("spark.httpBroadcast.uri", serverUri) logInfo("Broadcast server started at " + serverUri) } @@ -143,7 +150,7 @@ private object HttpBroadcast extends Logging { val in = { val httpConnection = new URL(url).openConnection() httpConnection.setReadTimeout(httpReadTimeout) - val inputStream = httpConnection.getInputStream() + val inputStream = httpConnection.getInputStream if (compress) { compressionCodec.compressedInputStream(inputStream) } else { diff --git a/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala b/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala index 073a0a5029..9530938278 100644 --- a/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala +++ b/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala @@ -83,13 +83,13 @@ extends Broadcast[T](id) with Logging with Serializable { case None => val start = System.nanoTime logInfo("Started reading broadcast variable " + id) - + // Initialize @transient variables that will receive garbage values from the master. resetWorkerVariables() if (receiveBroadcast(id)) { value_ = TorrentBroadcast.unBlockifyObject[T](arrayOfBlocks, totalBytes, totalBlocks) - + // Store the merged copy in cache so that the next worker doesn't need to rebuild it. // This creates a tradeoff between memory usage and latency. // Storing copy doubles the memory footprint; not storing doubles deserialization cost. @@ -122,14 +122,14 @@ extends Broadcast[T](id) with Logging with Serializable { while (attemptId > 0 && totalBlocks == -1) { TorrentBroadcast.synchronized { SparkEnv.get.blockManager.getSingle(metaId) match { - case Some(x) => + case Some(x) => val tInfo = x.asInstanceOf[TorrentInfo] totalBlocks = tInfo.totalBlocks totalBytes = tInfo.totalBytes arrayOfBlocks = new Array[TorrentBlock](totalBlocks) hasBlocks = 0 - - case None => + + case None => Thread.sleep(500) } } @@ -145,13 +145,13 @@ extends Broadcast[T](id) with Logging with Serializable { val pieceId = BroadcastHelperBlockId(broadcastId, "piece" + pid) TorrentBroadcast.synchronized { SparkEnv.get.blockManager.getSingle(pieceId) match { - case Some(x) => + case Some(x) => arrayOfBlocks(pid) = x.asInstanceOf[TorrentBlock] hasBlocks += 1 SparkEnv.get.blockManager.putSingle( pieceId, arrayOfBlocks(pid), StorageLevel.MEMORY_AND_DISK, true) - - case None => + + case None => throw new SparkException("Failed to get " + pieceId + " of " + broadcastId) } } @@ -166,21 +166,22 @@ private object TorrentBroadcast extends Logging { private var initialized = false - - def initialize(_isDriver: Boolean) { + private var conf: SparkConf = null + def initialize(_isDriver: Boolean, conf: SparkConf) { + TorrentBroadcast.conf = conf //TODO: we might have to fix it in tests synchronized { if (!initialized) { initialized = true } } } - + def stop() { initialized = false } - val BLOCK_SIZE = System.getProperty("spark.broadcast.blockSize", "4096").toInt * 1024 - + lazy val BLOCK_SIZE = conf.get("spark.broadcast.blockSize", "4096").toInt * 1024 + def blockifyObject[T](obj: T): TorrentInfo = { val byteArray = Utils.serialize[T](obj) val bais = new ByteArrayInputStream(byteArray) @@ -209,7 +210,7 @@ extends Logging { } def unBlockifyObject[T](arrayOfBlocks: Array[TorrentBlock], - totalBytes: Int, + totalBytes: Int, totalBlocks: Int): T = { var retByteArray = new Array[Byte](totalBytes) for (i <- 0 until totalBlocks) { @@ -222,23 +223,23 @@ extends Logging { } private[spark] case class TorrentBlock( - blockID: Int, - byteArray: Array[Byte]) + blockID: Int, + byteArray: Array[Byte]) extends Serializable private[spark] case class TorrentInfo( @transient arrayOfBlocks : Array[TorrentBlock], - totalBlocks: Int, - totalBytes: Int) + totalBlocks: Int, + totalBytes: Int) extends Serializable { - - @transient var hasBlocks = 0 + + @transient var hasBlocks = 0 } private[spark] class TorrentBroadcastFactory extends BroadcastFactory { - - def initialize(isDriver: Boolean) { TorrentBroadcast.initialize(isDriver) } + + def initialize(isDriver: Boolean, conf: SparkConf) { TorrentBroadcast.initialize(isDriver, conf) } def newBroadcast[T](value_ : T, isLocal: Boolean, id: Long) = new TorrentBroadcast[T](value_, isLocal, id) diff --git a/core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala b/core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala index 0aa8852649..4dfb19ed8a 100644 --- a/core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala +++ b/core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala @@ -190,7 +190,7 @@ private[spark] object FaultToleranceTest extends App with Logging { /** Creates a SparkContext, which constructs a Client to interact with our cluster. */ def createClient() = { if (sc != null) { sc.stop() } - // Counter-hack: Because of a hack in SparkEnv#createFromSystemProperties() that changes this + // Counter-hack: Because of a hack in SparkEnv#create() that changes this // property, we need to reset it. System.setProperty("spark.driver.port", "0") sc = new SparkContext(getMasterUrls(masters), "fault-tolerance", containerSparkHome) @@ -417,4 +417,4 @@ private[spark] object Docker extends Logging { "docker ps -l -q".!(ProcessLogger(line => id = line)) new DockerId(id) } -}
\ No newline at end of file +} diff --git a/core/src/main/scala/org/apache/spark/deploy/LocalSparkCluster.scala b/core/src/main/scala/org/apache/spark/deploy/LocalSparkCluster.scala index 59d12a3e6f..ffc0cb0903 100644 --- a/core/src/main/scala/org/apache/spark/deploy/LocalSparkCluster.scala +++ b/core/src/main/scala/org/apache/spark/deploy/LocalSparkCluster.scala @@ -22,7 +22,7 @@ import akka.actor.ActorSystem import org.apache.spark.deploy.worker.Worker import org.apache.spark.deploy.master.Master import org.apache.spark.util.Utils -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import scala.collection.mutable.ArrayBuffer @@ -43,7 +43,8 @@ class LocalSparkCluster(numWorkers: Int, coresPerWorker: Int, memoryPerWorker: I logInfo("Starting a local Spark cluster with " + numWorkers + " workers.") /* Start the Master */ - val (masterSystem, masterPort, _) = Master.startSystemAndActor(localHostname, 0, 0) + val conf = new SparkConf(false) + val (masterSystem, masterPort, _) = Master.startSystemAndActor(localHostname, 0, 0, conf) masterActorSystems += masterSystem val masterUrl = "spark://" + localHostname + ":" + masterPort val masters = Array(masterUrl) @@ -55,7 +56,7 @@ class LocalSparkCluster(numWorkers: Int, coresPerWorker: Int, memoryPerWorker: I workerActorSystems += workerSystem } - return masters + masters } def stop() { diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala b/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala index fc1537f796..27dc42bf7e 100644 --- a/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala +++ b/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala @@ -34,10 +34,10 @@ class SparkHadoopUtil { UserGroupInformation.setConfiguration(conf) def runAsUser(user: String)(func: () => Unit) { - // if we are already running as the user intended there is no reason to do the doAs. It + // if we are already running as the user intended there is no reason to do the doAs. It // will actually break secure HDFS access as it doesn't fill in the credentials. Also if - // the user is UNKNOWN then we shouldn't be creating a remote unknown user - // (this is actually the path spark on yarn takes) since SPARK_USER is initialized only + // the user is UNKNOWN then we shouldn't be creating a remote unknown user + // (this is actually the path spark on yarn takes) since SPARK_USER is initialized only // in SparkContext. val currentUser = Option(System.getProperty("user.name")). getOrElse(SparkContext.SPARK_UNKNOWN_USER) @@ -67,11 +67,15 @@ class SparkHadoopUtil { } object SparkHadoopUtil { + private val hadoop = { - val yarnMode = java.lang.Boolean.valueOf(System.getProperty("SPARK_YARN_MODE", System.getenv("SPARK_YARN_MODE"))) + val yarnMode = java.lang.Boolean.valueOf( + System.getProperty("SPARK_YARN_MODE", System.getenv("SPARK_YARN_MODE"))) if (yarnMode) { try { - Class.forName("org.apache.spark.deploy.yarn.YarnSparkHadoopUtil").newInstance.asInstanceOf[SparkHadoopUtil] + Class.forName("org.apache.spark.deploy.yarn.YarnSparkHadoopUtil") + .newInstance() + .asInstanceOf[SparkHadoopUtil] } catch { case th: Throwable => throw new SparkException("Unable to load YARN support", th) } diff --git a/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala b/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala index 4779c75137..1415e2f3d1 100644 --- a/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala +++ b/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala @@ -19,20 +19,19 @@ package org.apache.spark.deploy.client import java.util.concurrent.TimeoutException -import scala.concurrent.duration._ import scala.concurrent.Await +import scala.concurrent.duration._ import akka.actor._ import akka.pattern.ask -import akka.remote.{RemotingLifecycleEvent, DisassociatedEvent} +import akka.remote.{AssociationErrorEvent, DisassociatedEvent, RemotingLifecycleEvent} -import org.apache.spark.{SparkException, Logging} +import org.apache.spark.{Logging, SparkConf, SparkException} import org.apache.spark.deploy.{ApplicationDescription, ExecutorState} import org.apache.spark.deploy.DeployMessages._ import org.apache.spark.deploy.master.Master import org.apache.spark.util.AkkaUtils - /** * Interface allowing applications to speak with a Spark deploy cluster. Takes a master URL, * an app description, and a listener for cluster events, and calls back the listener when various @@ -44,7 +43,8 @@ private[spark] class AppClient( actorSystem: ActorSystem, masterUrls: Array[String], appDescription: ApplicationDescription, - listener: AppClientListener) + listener: AppClientListener, + conf: SparkConf) extends Logging { val REGISTRATION_TIMEOUT = 20.seconds @@ -112,6 +112,12 @@ private[spark] class AppClient( } } + private def isPossibleMaster(remoteUrl: Address) = { + masterUrls.map(s => Master.toAkkaUrl(s)) + .map(u => AddressFromURIString(u).hostPort) + .contains(remoteUrl.hostPort) + } + override def receive = { case RegisteredApplication(appId_, masterUrl) => appId = appId_ @@ -147,6 +153,9 @@ private[spark] class AppClient( logWarning(s"Connection to $address failed; waiting for master to reconnect...") markDisconnected() + case AssociationErrorEvent(cause, _, address, _) if isPossibleMaster(address) => + logWarning(s"Could not connect to $address: $cause") + case StopAppClient => markDead() sender ! true @@ -179,7 +188,7 @@ private[spark] class AppClient( def stop() { if (actor != null) { try { - val timeout = AkkaUtils.askTimeout + val timeout = AkkaUtils.askTimeout(conf) val future = actor.ask(StopAppClient)(timeout) Await.result(future, timeout) } catch { diff --git a/core/src/main/scala/org/apache/spark/deploy/client/TestClient.scala b/core/src/main/scala/org/apache/spark/deploy/client/TestClient.scala index 9359bf1a4b..62567a25f6 100644 --- a/core/src/main/scala/org/apache/spark/deploy/client/TestClient.scala +++ b/core/src/main/scala/org/apache/spark/deploy/client/TestClient.scala @@ -18,7 +18,7 @@ package org.apache.spark.deploy.client import org.apache.spark.util.{Utils, AkkaUtils} -import org.apache.spark.{Logging} +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.deploy.{Command, ApplicationDescription} private[spark] object TestClient { @@ -45,11 +45,13 @@ private[spark] object TestClient { def main(args: Array[String]) { val url = args(0) - val (actorSystem, port) = AkkaUtils.createActorSystem("spark", Utils.localIpAddress, 0) + val (actorSystem, port) = AkkaUtils.createActorSystem("spark", Utils.localIpAddress, 0, + conf = new SparkConf) val desc = new ApplicationDescription( - "TestClient", 1, 512, Command("spark.deploy.client.TestExecutor", Seq(), Map()), "dummy-spark-home", "ignored") + "TestClient", 1, 512, Command("spark.deploy.client.TestExecutor", Seq(), Map()), + "dummy-spark-home", "ignored") val listener = new TestListener - val client = new AppClient(actorSystem, Array(url), desc, listener) + val client = new AppClient(actorSystem, Array(url), desc, listener, new SparkConf) client.start() actorSystem.awaitTermination() } diff --git a/core/src/main/scala/org/apache/spark/deploy/master/Master.scala b/core/src/main/scala/org/apache/spark/deploy/master/Master.scala index 29f20daacd..93fa700f29 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/Master.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/Master.scala @@ -30,7 +30,8 @@ import akka.pattern.ask import akka.remote.{DisassociatedEvent, RemotingLifecycleEvent} import akka.serialization.SerializationExtension -import org.apache.spark.{Logging, SparkException} + +import org.apache.spark.{SparkConf, Logging, SparkException} import org.apache.spark.deploy.{ApplicationDescription, DriverDescription, ExecutorState} import org.apache.spark.deploy.DeployMessages._ import org.apache.spark.deploy.master.MasterMessages._ @@ -40,14 +41,16 @@ import org.apache.spark.util.{AkkaUtils, Utils} import org.apache.spark.deploy.master.DriverState.DriverState private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Actor with Logging { - import context.dispatcher + import context.dispatcher // to use Akka's scheduler.schedule() + + val conf = new SparkConf val DATE_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss") // For application IDs - val WORKER_TIMEOUT = System.getProperty("spark.worker.timeout", "60").toLong * 1000 - val RETAINED_APPLICATIONS = System.getProperty("spark.deploy.retainedApplications", "200").toInt - val REAPER_ITERATIONS = System.getProperty("spark.dead.worker.persistence", "15").toInt - val RECOVERY_DIR = System.getProperty("spark.deploy.recoveryDirectory", "") - val RECOVERY_MODE = System.getProperty("spark.deploy.recoveryMode", "NONE") + val WORKER_TIMEOUT = conf.get("spark.worker.timeout", "60").toLong * 1000 + val RETAINED_APPLICATIONS = conf.get("spark.deploy.retainedApplications", "200").toInt + val REAPER_ITERATIONS = conf.get("spark.dead.worker.persistence", "15").toInt + val RECOVERY_DIR = conf.get("spark.deploy.recoveryDirectory", "") + val RECOVERY_MODE = conf.get("spark.deploy.recoveryMode", "NONE") val workers = new HashSet[WorkerInfo] val idToWorker = new HashMap[String, WorkerInfo] @@ -69,8 +72,8 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act Utils.checkHost(host, "Expected hostname") - val masterMetricsSystem = MetricsSystem.createMetricsSystem("master") - val applicationMetricsSystem = MetricsSystem.createMetricsSystem("applications") + val masterMetricsSystem = MetricsSystem.createMetricsSystem("master", conf) + val applicationMetricsSystem = MetricsSystem.createMetricsSystem("applications", conf) val masterSource = new MasterSource(this) val webUi = new MasterWebUI(this, webUiPort) @@ -92,7 +95,7 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act // As a temporary workaround before better ways of configuring memory, we allow users to set // a flag that will perform round-robin scheduling across the nodes (spreading out each app // among all the nodes) instead of trying to consolidate each app onto a small # of nodes. - val spreadOutApps = System.getProperty("spark.deploy.spreadOut", "true").toBoolean + val spreadOutApps = conf.get("spark.deploy.spreadOut", "true").toBoolean override def preStart() { logInfo("Starting Spark master at " + masterUrl) @@ -109,7 +112,7 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act persistenceEngine = RECOVERY_MODE match { case "ZOOKEEPER" => logInfo("Persisting recovery state to ZooKeeper") - new ZooKeeperPersistenceEngine(SerializationExtension(context.system)) + new ZooKeeperPersistenceEngine(SerializationExtension(context.system), conf) case "FILESYSTEM" => logInfo("Persisting recovery state to directory: " + RECOVERY_DIR) new FileSystemPersistenceEngine(RECOVERY_DIR, SerializationExtension(context.system)) @@ -119,7 +122,7 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act leaderElectionAgent = RECOVERY_MODE match { case "ZOOKEEPER" => - context.actorOf(Props(classOf[ZooKeeperLeaderElectionAgent], self, masterUrl)) + context.actorOf(Props(classOf[ZooKeeperLeaderElectionAgent], self, masterUrl, conf)) case _ => context.actorOf(Props(classOf[MonarchyLeaderAgent], self)) } @@ -617,7 +620,7 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act removeWorker(worker) } else { if (worker.lastHeartbeat < currentTime - ((REAPER_ITERATIONS + 1) * WORKER_TIMEOUT)) - workers -= worker // we've seen this DEAD worker in the UI, etc. for long enough; cull it + workers -= worker // we've seen this DEAD worker in the UI, etc. for long enough; cull it } } } @@ -664,8 +667,9 @@ private[spark] object Master { val sparkUrlRegex = "spark://([^:]+):([0-9]+)".r def main(argStrings: Array[String]) { - val args = new MasterArguments(argStrings) - val (actorSystem, _, _) = startSystemAndActor(args.host, args.port, args.webUiPort) + val conf = new SparkConf + val args = new MasterArguments(argStrings, conf) + val (actorSystem, _, _) = startSystemAndActor(args.host, args.port, args.webUiPort, conf) actorSystem.awaitTermination() } @@ -679,10 +683,12 @@ private[spark] object Master { } } - def startSystemAndActor(host: String, port: Int, webUiPort: Int): (ActorSystem, Int, Int) = { - val (actorSystem, boundPort) = AkkaUtils.createActorSystem(systemName, host, port) + def startSystemAndActor(host: String, port: Int, webUiPort: Int, conf: SparkConf) + : (ActorSystem, Int, Int) = + { + val (actorSystem, boundPort) = AkkaUtils.createActorSystem(systemName, host, port, conf = conf) val actor = actorSystem.actorOf(Props(classOf[Master], host, boundPort, webUiPort), actorName) - val timeout = AkkaUtils.askTimeout + val timeout = AkkaUtils.askTimeout(conf) val respFuture = actor.ask(RequestWebUIPort)(timeout) val resp = Await.result(respFuture, timeout).asInstanceOf[WebUIPortResponse] (actorSystem, boundPort, resp.webUIBoundPort) diff --git a/core/src/main/scala/org/apache/spark/deploy/master/MasterArguments.scala b/core/src/main/scala/org/apache/spark/deploy/master/MasterArguments.scala index 9d89b455fb..e7f3224091 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/MasterArguments.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/MasterArguments.scala @@ -18,16 +18,17 @@ package org.apache.spark.deploy.master import org.apache.spark.util.{Utils, IntParam} +import org.apache.spark.SparkConf /** * Command-line parser for the master. */ -private[spark] class MasterArguments(args: Array[String]) { +private[spark] class MasterArguments(args: Array[String], conf: SparkConf) { var host = Utils.localHostName() var port = 7077 var webUiPort = 8080 - - // Check for settings in environment variables + + // Check for settings in environment variables if (System.getenv("SPARK_MASTER_HOST") != null) { host = System.getenv("SPARK_MASTER_HOST") } @@ -37,8 +38,8 @@ private[spark] class MasterArguments(args: Array[String]) { if (System.getenv("SPARK_MASTER_WEBUI_PORT") != null) { webUiPort = System.getenv("SPARK_MASTER_WEBUI_PORT").toInt } - if (System.getProperty("master.ui.port") != null) { - webUiPort = System.getProperty("master.ui.port").toInt + if (conf.contains("master.ui.port")) { + webUiPort = conf.get("master.ui.port").toInt } parse(args.toList) diff --git a/core/src/main/scala/org/apache/spark/deploy/master/SparkZooKeeperSession.scala b/core/src/main/scala/org/apache/spark/deploy/master/SparkZooKeeperSession.scala index 6cc7fd2ff4..999090ad74 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/SparkZooKeeperSession.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/SparkZooKeeperSession.scala @@ -23,7 +23,7 @@ import org.apache.zookeeper._ import org.apache.zookeeper.Watcher.Event.KeeperState import org.apache.zookeeper.data.Stat -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} /** * Provides a Scala-side interface to the standard ZooKeeper client, with the addition of retry @@ -35,8 +35,9 @@ import org.apache.spark.Logging * Additionally, all commands sent to ZooKeeper will be retried until they either fail too many * times or a semantic exception is thrown (e.g., "node already exists"). */ -private[spark] class SparkZooKeeperSession(zkWatcher: SparkZooKeeperWatcher) extends Logging { - val ZK_URL = System.getProperty("spark.deploy.zookeeper.url", "") +private[spark] class SparkZooKeeperSession(zkWatcher: SparkZooKeeperWatcher, + conf: SparkConf) extends Logging { + val ZK_URL = conf.get("spark.deploy.zookeeper.url", "") val ZK_ACL = ZooDefs.Ids.OPEN_ACL_UNSAFE val ZK_TIMEOUT_MILLIS = 30000 diff --git a/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperLeaderElectionAgent.scala b/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperLeaderElectionAgent.scala index 7d535b08de..77c23fb9fb 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperLeaderElectionAgent.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperLeaderElectionAgent.scala @@ -21,16 +21,17 @@ import akka.actor.ActorRef import org.apache.zookeeper._ import org.apache.zookeeper.Watcher.Event.EventType -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import org.apache.spark.deploy.master.MasterMessages._ -private[spark] class ZooKeeperLeaderElectionAgent(val masterActor: ActorRef, masterUrl: String) +private[spark] class ZooKeeperLeaderElectionAgent(val masterActor: ActorRef, + masterUrl: String, conf: SparkConf) extends LeaderElectionAgent with SparkZooKeeperWatcher with Logging { - val WORKING_DIR = System.getProperty("spark.deploy.zookeeper.dir", "/spark") + "/leader_election" + val WORKING_DIR = conf.get("spark.deploy.zookeeper.dir", "/spark") + "/leader_election" private val watcher = new ZooKeeperWatcher() - private val zk = new SparkZooKeeperSession(this) + private val zk = new SparkZooKeeperSession(this, conf) private var status = LeadershipStatus.NOT_LEADER private var myLeaderFile: String = _ private var leaderUrl: String = _ diff --git a/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperPersistenceEngine.scala b/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperPersistenceEngine.scala index 52df173850..f24f49ea8a 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperPersistenceEngine.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/ZooKeeperPersistenceEngine.scala @@ -17,19 +17,19 @@ package org.apache.spark.deploy.master -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import org.apache.zookeeper._ import akka.serialization.Serialization -class ZooKeeperPersistenceEngine(serialization: Serialization) +class ZooKeeperPersistenceEngine(serialization: Serialization, conf: SparkConf) extends PersistenceEngine with SparkZooKeeperWatcher with Logging { - val WORKING_DIR = System.getProperty("spark.deploy.zookeeper.dir", "/spark") + "/master_status" + val WORKING_DIR = conf.get("spark.deploy.zookeeper.dir", "/spark") + "/master_status" - val zk = new SparkZooKeeperSession(this) + val zk = new SparkZooKeeperSession(this, conf) zk.connect() diff --git a/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterWebUI.scala b/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterWebUI.scala index 9ab594b682..ead35662fc 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterWebUI.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/ui/MasterWebUI.scala @@ -31,7 +31,7 @@ import org.apache.spark.util.{AkkaUtils, Utils} */ private[spark] class MasterWebUI(val master: Master, requestedPort: Int) extends Logging { - val timeout = AkkaUtils.askTimeout + val timeout = AkkaUtils.askTimeout(master.conf) val host = Utils.localHostName() val port = requestedPort diff --git a/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala b/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala index 2947ed1692..2072f00fae 100644 --- a/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala +++ b/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala @@ -27,7 +27,7 @@ import scala.concurrent.duration._ import akka.actor._ import akka.remote.{DisassociatedEvent, RemotingLifecycleEvent} -import org.apache.spark.{Logging, SparkException} +import org.apache.spark.{Logging, SparkConf, SparkException} import org.apache.spark.deploy.{ExecutorDescription, ExecutorState} import org.apache.spark.deploy.DeployMessages._ import org.apache.spark.deploy.master.{DriverState, Master} @@ -47,7 +47,8 @@ private[spark] class Worker( masterUrls: Array[String], actorSystemName: String, actorName: String, - workDirPath: String = null) + workDirPath: String = null, + val conf: SparkConf) extends Actor with Logging { import context.dispatcher @@ -57,7 +58,7 @@ private[spark] class Worker( val DATE_FORMAT = new SimpleDateFormat("yyyyMMddHHmmss") // For worker and executor IDs // Send a heartbeat every (heartbeat timeout) / 4 milliseconds - val HEARTBEAT_MILLIS = System.getProperty("spark.worker.timeout", "60").toLong * 1000 / 4 + val HEARTBEAT_MILLIS = conf.get("spark.worker.timeout", "60").toLong * 1000 / 4 val REGISTRATION_TIMEOUT = 20.seconds val REGISTRATION_RETRIES = 3 @@ -90,7 +91,7 @@ private[spark] class Worker( var coresUsed = 0 var memoryUsed = 0 - val metricsSystem = MetricsSystem.createMetricsSystem("worker") + val metricsSystem = MetricsSystem.createMetricsSystem("worker", conf) val workerSource = new WorkerSource(this) def coresFree: Int = cores - coresUsed @@ -315,6 +316,7 @@ private[spark] class Worker( } private[spark] object Worker { + def main(argStrings: Array[String]) { val args = new WorkerArguments(argStrings) val (actorSystem, _) = startSystemAndActor(args.host, args.port, args.webUiPort, args.cores, @@ -323,14 +325,17 @@ private[spark] object Worker { } def startSystemAndActor(host: String, port: Int, webUiPort: Int, cores: Int, memory: Int, - masterUrls: Array[String], workDir: String, workerNumber: Option[Int] = None) - : (ActorSystem, Int) = { + masterUrls: Array[String], workDir: String, workerNumber: Option[Int] = None) + : (ActorSystem, Int) = + { // The LocalSparkCluster runs multiple local sparkWorkerX actor systems + val conf = new SparkConf val systemName = "sparkWorker" + workerNumber.map(_.toString).getOrElse("") val actorName = "Worker" - val (actorSystem, boundPort) = AkkaUtils.createActorSystem(systemName, host, port) + val (actorSystem, boundPort) = AkkaUtils.createActorSystem(systemName, host, port, + conf = conf) actorSystem.actorOf(Props(classOf[Worker], host, boundPort, webUiPort, cores, memory, - masterUrls, systemName, actorName, workDir), name = actorName) + masterUrls, workDir, conf), name = actorName) (actorSystem, boundPort) } diff --git a/core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala b/core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala index 2fd862c4c4..8daa47b2b2 100644 --- a/core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala +++ b/core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala @@ -22,7 +22,7 @@ import java.io.File import javax.servlet.http.HttpServletRequest import org.eclipse.jetty.server.{Handler, Server} -import org.apache.spark.Logging +import org.apache.spark.{Logging, SparkConf} import org.apache.spark.deploy.worker.Worker import org.apache.spark.ui.{JettyUtils, UIUtils} import org.apache.spark.ui.JettyUtils._ @@ -34,10 +34,10 @@ import org.apache.spark.util.{AkkaUtils, Utils} private[spark] class WorkerWebUI(val worker: Worker, val workDir: File, requestedPort: Option[Int] = None) extends Logging { - val timeout = AkkaUtils.askTimeout + val timeout = AkkaUtils.askTimeout(worker.conf) val host = Utils.localHostName() val port = requestedPort.getOrElse( - System.getProperty("worker.ui.port", WorkerWebUI.DEFAULT_PORT).toInt) + worker.conf.get("worker.ui.port", WorkerWebUI.DEFAULT_PORT).toInt) var server: Option[Server] = None var boundPort: Option[Int] = None @@ -157,12 +157,12 @@ class WorkerWebUI(val worker: Worker, val workDir: File, requestedPort: Option[I <body> {linkToMaster} <div> - <div style="float:left;width:40%">{backButton}</div> + <div style="float:left; margin-right:10px">{backButton}</div> <div style="float:left;">{range}</div> - <div style="float:right;">{nextButton}</div> + <div style="float:right; margin-left:10px">{nextButton}</div> </div> <br /> - <div style="height:500px;overflow:auto;padding:5px;"> + <div style="height:500px; overflow:auto; padding:5px;"> <pre>{logText}</pre> </div> </body> diff --git a/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala b/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala index eb1199ed57..f9e43e0e94 100644 --- a/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala +++ b/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala @@ -22,7 +22,7 @@ import java.nio.ByteBuffer import akka.actor._ import akka.remote._ -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.TaskState.TaskState import org.apache.spark.deploy.worker.WorkerWatcher import org.apache.spark.scheduler.cluster.CoarseGrainedClusterMessages._ @@ -100,10 +100,10 @@ private[spark] object CoarseGrainedExecutorBackend { // Create a new ActorSystem to run the backend, because we can't create a SparkEnv / Executor // before getting started with all our system properties, etc val (actorSystem, boundPort) = AkkaUtils.createActorSystem("sparkExecutor", hostname, 0, - indestructible = true) + indestructible = true, conf = new SparkConf) // set it val sparkHostPort = hostname + ":" + boundPort - System.setProperty("spark.hostPort", sparkHostPort) +// conf.set("spark.hostPort", sparkHostPort) actorSystem.actorOf( Props(classOf[CoarseGrainedExecutorBackend], driverUrl, executorId, sparkHostPort, cores), name = "Executor") diff --git a/core/src/main/scala/org/apache/spark/executor/Executor.scala b/core/src/main/scala/org/apache/spark/executor/Executor.scala index 0f19d7a96b..e51d274d33 100644 --- a/core/src/main/scala/org/apache/spark/executor/Executor.scala +++ b/core/src/main/scala/org/apache/spark/executor/Executor.scala @@ -48,8 +48,6 @@ private[spark] class Executor( private val EMPTY_BYTE_BUFFER = ByteBuffer.wrap(new Array[Byte](0)) - initLogging() - // No ip or host:port - just hostname Utils.checkHost(slaveHostname, "Expected executed slave to be a hostname") // must not have port specified. @@ -58,16 +56,17 @@ private[spark] class Executor( // Make sure the local hostname we report matches the cluster scheduler's name for this host Utils.setCustomHostname(slaveHostname) - // Set spark.* system properties from executor arg - for ((key, value) <- properties) { - System.setProperty(key, value) - } + // Set spark.* properties from executor arg + val conf = new SparkConf(false) + conf.setAll(properties) // If we are in yarn mode, systems can have different disk layouts so we must set it // to what Yarn on this system said was available. This will be used later when SparkEnv // created. - if (java.lang.Boolean.valueOf(System.getenv("SPARK_YARN_MODE"))) { - System.setProperty("spark.local.dir", getYarnLocalDirs()) + if (java.lang.Boolean.valueOf( + System.getProperty("SPARK_YARN_MODE", System.getenv("SPARK_YARN_MODE")))) + { + conf.set("spark.local.dir", getYarnLocalDirs()) } // Create our ClassLoader and set it on this thread @@ -108,7 +107,7 @@ private[spark] class Executor( // Initialize Spark environment (using system properties read above) private val env = { if (!isLocal) { - val _env = SparkEnv.createFromSystemProperties(executorId, slaveHostname, 0, + val _env = SparkEnv.create(conf, executorId, slaveHostname, 0, isDriver = false, isLocal = false) SparkEnv.set(_env) _env.metricsSystem.registerSource(executorSource) @@ -142,11 +141,6 @@ private[spark] class Executor( val tr = runningTasks.get(taskId) if (tr != null) { tr.kill() - // We remove the task also in the finally block in TaskRunner.run. - // The reason we need to remove it here is because killTask might be called before the task - // is even launched, and never reaching that finally block. ConcurrentHashMap's remove is - // idempotent. - runningTasks.remove(taskId) } } @@ -168,6 +162,8 @@ private[spark] class Executor( class TaskRunner(execBackend: ExecutorBackend, taskId: Long, serializedTask: ByteBuffer) extends Runnable { + object TaskKilledException extends Exception + @volatile private var killed = false @volatile private var task: Task[Any] = _ @@ -201,9 +197,11 @@ private[spark] class Executor( // If this task has been killed before we deserialized it, let's quit now. Otherwise, // continue executing the task. if (killed) { - logInfo("Executor killed task " + taskId) - execBackend.statusUpdate(taskId, TaskState.KILLED, ser.serialize(TaskKilled)) - return + // Throw an exception rather than returning, because returning within a try{} block + // causes a NonLocalReturnControl exception to be thrown. The NonLocalReturnControl + // exception will be caught by the catch block, leading to an incorrect ExceptionFailure + // for the task. + throw TaskKilledException } attemptedTask = Some(task) @@ -217,9 +215,7 @@ private[spark] class Executor( // If the task has been killed, let's fail it. if (task.killed) { - logInfo("Executor killed task " + taskId) - execBackend.statusUpdate(taskId, TaskState.KILLED, ser.serialize(TaskKilled)) - return + throw TaskKilledException } val resultSer = SparkEnv.get.serializer.newInstance() @@ -261,6 +257,11 @@ private[spark] class Executor( execBackend.statusUpdate(taskId, TaskState.FAILED, ser.serialize(reason)) } + case TaskKilledException => { + logInfo("Executor killed task " + taskId) + execBackend.statusUpdate(taskId, TaskState.KILLED, ser.serialize(TaskKilled)) + } + case t: Throwable => { val serviceTime = (System.currentTimeMillis() - taskStart).toInt val metrics = attemptedTask.flatMap(t => t.metrics) @@ -303,7 +304,7 @@ private[spark] class Executor( * new classes defined by the REPL as the user types code */ private def addReplClassLoaderIfNeeded(parent: ClassLoader): ClassLoader = { - val classUri = System.getProperty("spark.repl.class.uri") + val classUri = conf.get("spark.repl.class.uri", null) if (classUri != null) { logInfo("Using REPL class URI: " + classUri) try { @@ -331,12 +332,12 @@ private[spark] class Executor( // Fetch missing dependencies for ((name, timestamp) <- newFiles if currentFiles.getOrElse(name, -1L) < timestamp) { logInfo("Fetching " + name + " with timestamp " + timestamp) - Utils.fetchFile(name, new File(SparkFiles.getRootDirectory)) + Utils.fetchFile(name, new File(SparkFiles.getRootDirectory), conf) currentFiles(name) = timestamp } for ((name, timestamp) <- newJars if currentJars.getOrElse(name, -1L) < timestamp) { logInfo("Fetching " + name + " with timestamp " + timestamp) - Utils.fetchFile(name, new File(SparkFiles.getRootDirectory)) + Utils.fetchFile(name, new File(SparkFiles.getRootDirectory), conf) currentJars(name) = timestamp // Add it to our class loader val localName = name.split("/").last diff --git a/core/src/main/scala/org/apache/spark/io/CompressionCodec.scala b/core/src/main/scala/org/apache/spark/io/CompressionCodec.scala index 570a979b56..a1e98845f6 100644 --- a/core/src/main/scala/org/apache/spark/io/CompressionCodec.scala +++ b/core/src/main/scala/org/apache/spark/io/CompressionCodec.scala @@ -22,6 +22,7 @@ import java.io.{InputStream, OutputStream} import com.ning.compress.lzf.{LZFInputStream, LZFOutputStream} import org.xerial.snappy.{SnappyInputStream, SnappyOutputStream} +import org.apache.spark.{SparkEnv, SparkConf} /** @@ -37,15 +38,15 @@ trait CompressionCodec { private[spark] object CompressionCodec { - - def createCodec(): CompressionCodec = { - createCodec(System.getProperty( + def createCodec(conf: SparkConf): CompressionCodec = { + createCodec(conf, conf.get( "spark.io.compression.codec", classOf[LZFCompressionCodec].getName)) } - def createCodec(codecName: String): CompressionCodec = { - Class.forName(codecName, true, Thread.currentThread.getContextClassLoader) - .newInstance().asInstanceOf[CompressionCodec] + def createCodec(conf: SparkConf, codecName: String): CompressionCodec = { + val ctor = Class.forName(codecName, true, Thread.currentThread.getContextClassLoader) + .getConstructor(classOf[SparkConf]) + ctor.newInstance(conf).asInstanceOf[CompressionCodec] } } @@ -53,7 +54,7 @@ private[spark] object CompressionCodec { /** * LZF implementation of [[org.apache.spark.io.CompressionCodec]]. */ -class LZFCompressionCodec extends CompressionCodec { +class LZFCompressionCodec(conf: SparkConf) extends CompressionCodec { override def compressedOutputStream(s: OutputStream): OutputStream = { new LZFOutputStream(s).setFinishBlockOnFlush(true) @@ -67,10 +68,10 @@ class LZFCompressionCodec extends CompressionCodec { * Snappy implementation of [[org.apache.spark.io.CompressionCodec]]. * Block size can be configured by spark.io.compression.snappy.block.size. */ -class SnappyCompressionCodec extends CompressionCodec { +class SnappyCompressionCodec(conf: SparkConf) extends CompressionCodec { override def compressedOutputStream(s: OutputStream): OutputStream = { - val blockSize = System.getProperty("spark.io.compression.snappy.block.size", "32768").toInt + val blockSize = conf.get("spark.io.compression.snappy.block.size", "32768").toInt new SnappyOutputStream(s, blockSize) } diff --git a/core/src/main/scala/org/apache/spark/metrics/MetricsConfig.scala b/core/src/main/scala/org/apache/spark/metrics/MetricsConfig.scala index caab748d60..6f9f29969e 100644 --- a/core/src/main/scala/org/apache/spark/metrics/MetricsConfig.scala +++ b/core/src/main/scala/org/apache/spark/metrics/MetricsConfig.scala @@ -26,7 +26,6 @@ import scala.util.matching.Regex import org.apache.spark.Logging private[spark] class MetricsConfig(val configFile: Option[String]) extends Logging { - initLogging() val DEFAULT_PREFIX = "*" val INSTANCE_REGEX = "^(\\*|[a-zA-Z]+)\\.(.+)".r diff --git a/core/src/main/scala/org/apache/spark/metrics/MetricsSystem.scala b/core/src/main/scala/org/apache/spark/metrics/MetricsSystem.scala index bec0c83be8..9930537b34 100644 --- a/core/src/main/scala/org/apache/spark/metrics/MetricsSystem.scala +++ b/core/src/main/scala/org/apache/spark/metrics/MetricsSystem.scala @@ -24,7 +24,7 @@ import java.util.concurrent.TimeUnit import scala.collection.mutable -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import org.apache.spark.metrics.sink.{MetricsServlet, Sink} import org.apache.spark.metrics.source.Source @@ -62,10 +62,10 @@ import org.apache.spark.metrics.source.Source * * [options] is the specific property of this source or sink. */ -private[spark] class MetricsSystem private (val instance: String) extends Logging { - initLogging() +private[spark] class MetricsSystem private (val instance: String, + conf: SparkConf) extends Logging { - val confFile = System.getProperty("spark.metrics.conf") + val confFile = conf.get("spark.metrics.conf", null) val metricsConfig = new MetricsConfig(Option(confFile)) val sinks = new mutable.ArrayBuffer[Sink] @@ -159,5 +159,6 @@ private[spark] object MetricsSystem { } } - def createMetricsSystem(instance: String): MetricsSystem = new MetricsSystem(instance) + def createMetricsSystem(instance: String, conf: SparkConf): MetricsSystem = + new MetricsSystem(instance, conf) } diff --git a/core/src/main/scala/org/apache/spark/network/ConnectionManager.scala b/core/src/main/scala/org/apache/spark/network/ConnectionManager.scala index 703bc6a9ca..46c40d0a2a 100644 --- a/core/src/main/scala/org/apache/spark/network/ConnectionManager.scala +++ b/core/src/main/scala/org/apache/spark/network/ConnectionManager.scala @@ -37,7 +37,7 @@ import scala.concurrent.duration._ import org.apache.spark.util.Utils -private[spark] class ConnectionManager(port: Int) extends Logging { +private[spark] class ConnectionManager(port: Int, conf: SparkConf) extends Logging { class MessageStatus( val message: Message, @@ -54,22 +54,22 @@ private[spark] class ConnectionManager(port: Int) extends Logging { private val selector = SelectorProvider.provider.openSelector() private val handleMessageExecutor = new ThreadPoolExecutor( - System.getProperty("spark.core.connection.handler.threads.min","20").toInt, - System.getProperty("spark.core.connection.handler.threads.max","60").toInt, - System.getProperty("spark.core.connection.handler.threads.keepalive","60").toInt, TimeUnit.SECONDS, + conf.get("spark.core.connection.handler.threads.min", "20").toInt, + conf.get("spark.core.connection.handler.threads.max", "60").toInt, + conf.get("spark.core.connection.handler.threads.keepalive", "60").toInt, TimeUnit.SECONDS, new LinkedBlockingDeque[Runnable]()) private val handleReadWriteExecutor = new ThreadPoolExecutor( - System.getProperty("spark.core.connection.io.threads.min","4").toInt, - System.getProperty("spark.core.connection.io.threads.max","32").toInt, - System.getProperty("spark.core.connection.io.threads.keepalive","60").toInt, TimeUnit.SECONDS, + conf.get("spark.core.connection.io.threads.min", "4").toInt, + conf.get("spark.core.connection.io.threads.max", "32").toInt, + conf.get("spark.core.connection.io.threads.keepalive", "60").toInt, TimeUnit.SECONDS, new LinkedBlockingDeque[Runnable]()) // Use a different, yet smaller, thread pool - infrequently used with very short lived tasks : which should be executed asap private val handleConnectExecutor = new ThreadPoolExecutor( - System.getProperty("spark.core.connection.connect.threads.min","1").toInt, - System.getProperty("spark.core.connection.connect.threads.max","8").toInt, - System.getProperty("spark.core.connection.connect.threads.keepalive","60").toInt, TimeUnit.SECONDS, + conf.get("spark.core.connection.connect.threads.min", "1").toInt, + conf.get("spark.core.connection.connect.threads.max", "8").toInt, + conf.get("spark.core.connection.connect.threads.keepalive", "60").toInt, TimeUnit.SECONDS, new LinkedBlockingDeque[Runnable]()) private val serverChannel = ServerSocketChannel.open() @@ -594,7 +594,7 @@ private[spark] class ConnectionManager(port: Int) extends Logging { private[spark] object ConnectionManager { def main(args: Array[String]) { - val manager = new ConnectionManager(9999) + val manager = new ConnectionManager(9999, new SparkConf) manager.onReceiveMessage((msg: Message, id: ConnectionManagerId) => { println("Received [" + msg + "] from [" + id + "]") None diff --git a/core/src/main/scala/org/apache/spark/network/ReceiverTest.scala b/core/src/main/scala/org/apache/spark/network/ReceiverTest.scala index 781715108b..1c9d6030d6 100644 --- a/core/src/main/scala/org/apache/spark/network/ReceiverTest.scala +++ b/core/src/main/scala/org/apache/spark/network/ReceiverTest.scala @@ -19,19 +19,19 @@ package org.apache.spark.network import java.nio.ByteBuffer import java.net.InetAddress +import org.apache.spark.SparkConf private[spark] object ReceiverTest { - def main(args: Array[String]) { - val manager = new ConnectionManager(9999) + val manager = new ConnectionManager(9999, new SparkConf) println("Started connection manager with id = " + manager.id) - - manager.onReceiveMessage((msg: Message, id: ConnectionManagerId) => { + + manager.onReceiveMessage((msg: Message, id: ConnectionManagerId) => { /*println("Received [" + msg + "] from [" + id + "] at " + System.currentTimeMillis)*/ - val buffer = ByteBuffer.wrap("response".getBytes()) + val buffer = ByteBuffer.wrap("response".getBytes) Some(Message.createBufferMessage(buffer, msg.id)) }) - Thread.currentThread.join() + Thread.currentThread.join() } } diff --git a/core/src/main/scala/org/apache/spark/network/SenderTest.scala b/core/src/main/scala/org/apache/spark/network/SenderTest.scala index 777574980f..dcbd183c88 100644 --- a/core/src/main/scala/org/apache/spark/network/SenderTest.scala +++ b/core/src/main/scala/org/apache/spark/network/SenderTest.scala @@ -19,29 +19,29 @@ package org.apache.spark.network import java.nio.ByteBuffer import java.net.InetAddress +import org.apache.spark.SparkConf private[spark] object SenderTest { - def main(args: Array[String]) { - + if (args.length < 2) { println("Usage: SenderTest <target host> <target port>") System.exit(1) } - + val targetHost = args(0) val targetPort = args(1).toInt val targetConnectionManagerId = new ConnectionManagerId(targetHost, targetPort) - val manager = new ConnectionManager(0) + val manager = new ConnectionManager(0, new SparkConf) println("Started connection manager with id = " + manager.id) - manager.onReceiveMessage((msg: Message, id: ConnectionManagerId) => { + manager.onReceiveMessage((msg: Message, id: ConnectionManagerId) => { println("Received [" + msg + "] from [" + id + "]") None }) - - val size = 100 * 1024 * 1024 + + val size = 100 * 1024 * 1024 val buffer = ByteBuffer.allocate(size).put(Array.tabulate[Byte](size)(x => x.toByte)) buffer.flip @@ -50,7 +50,7 @@ private[spark] object SenderTest { val count = 100 (0 until count).foreach(i => { val dataMessage = Message.createBufferMessage(buffer.duplicate) - val startTime = System.currentTimeMillis + val startTime = System.currentTimeMillis /*println("Started timer at " + startTime)*/ val responseStr = manager.sendMessageReliablySync(targetConnectionManagerId, dataMessage) match { case Some(response) => diff --git a/core/src/main/scala/org/apache/spark/network/netty/ShuffleCopier.scala b/core/src/main/scala/org/apache/spark/network/netty/ShuffleCopier.scala index b1e1576dad..b729eb11c5 100644 --- a/core/src/main/scala/org/apache/spark/network/netty/ShuffleCopier.scala +++ b/core/src/main/scala/org/apache/spark/network/netty/ShuffleCopier.scala @@ -23,20 +23,20 @@ import io.netty.buffer.ByteBuf import io.netty.channel.ChannelHandlerContext import io.netty.util.CharsetUtil -import org.apache.spark.Logging +import org.apache.spark.{SparkContext, SparkConf, Logging} import org.apache.spark.network.ConnectionManagerId import scala.collection.JavaConverters._ import org.apache.spark.storage.BlockId -private[spark] class ShuffleCopier extends Logging { +private[spark] class ShuffleCopier(conf: SparkConf) extends Logging { def getBlock(host: String, port: Int, blockId: BlockId, resultCollectCallback: (BlockId, Long, ByteBuf) => Unit) { val handler = new ShuffleCopier.ShuffleClientHandler(resultCollectCallback) - val connectTimeout = System.getProperty("spark.shuffle.netty.connect.timeout", "60000").toInt + val connectTimeout = conf.get("spark.shuffle.netty.connect.timeout", "60000").toInt val fc = new FileClient(handler, connectTimeout) try { @@ -104,10 +104,10 @@ private[spark] object ShuffleCopier extends Logging { val threads = if (args.length > 3) args(3).toInt else 10 val copiers = Executors.newFixedThreadPool(80) - val tasks = (for (i <- Range(0, threads)) yield { + val tasks = (for (i <- Range(0, threads)) yield { Executors.callable(new Runnable() { def run() { - val copier = new ShuffleCopier() + val copier = new ShuffleCopier(new SparkConf) copier.getBlock(host, port, blockId, echoResultCollectCallBack) } }) diff --git a/core/src/main/scala/org/apache/spark/rdd/CheckpointRDD.scala b/core/src/main/scala/org/apache/spark/rdd/CheckpointRDD.scala index a712ef1c27..6d4f46125f 100644 --- a/core/src/main/scala/org/apache/spark/rdd/CheckpointRDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/CheckpointRDD.scala @@ -18,12 +18,12 @@ package org.apache.spark.rdd import java.io.IOException - import scala.reflect.ClassTag - -import org.apache.hadoop.fs.Path import org.apache.spark._ +import org.apache.spark.broadcast.Broadcast import org.apache.spark.deploy.SparkHadoopUtil +import org.apache.hadoop.conf.Configuration +import org.apache.hadoop.fs.Path private[spark] class CheckpointRDDPartition(val index: Int) extends Partition {} @@ -34,6 +34,8 @@ private[spark] class CheckpointRDD[T: ClassTag](sc: SparkContext, val checkpointPath: String) extends RDD[T](sc, Nil) { + val broadcastedConf = sc.broadcast(new SerializableWritable(sc.hadoopConfiguration)) + @transient val fs = new Path(checkpointPath).getFileSystem(sc.hadoopConfiguration) override def getPartitions: Array[Partition] = { @@ -65,7 +67,7 @@ class CheckpointRDD[T: ClassTag](sc: SparkContext, val checkpointPath: String) override def compute(split: Partition, context: TaskContext): Iterator[T] = { val file = new Path(checkpointPath, CheckpointRDD.splitIdToFile(split.index)) - CheckpointRDD.readFromFile(file, context) + CheckpointRDD.readFromFile(file, broadcastedConf, context) } override def checkpoint() { @@ -74,15 +76,18 @@ class CheckpointRDD[T: ClassTag](sc: SparkContext, val checkpointPath: String) } private[spark] object CheckpointRDD extends Logging { - def splitIdToFile(splitId: Int): String = { "part-%05d".format(splitId) } - def writeToFile[T](path: String, blockSize: Int = -1)(ctx: TaskContext, iterator: Iterator[T]) { + def writeToFile[T]( + path: String, + broadcastedConf: Broadcast[SerializableWritable[Configuration]], + blockSize: Int = -1 + )(ctx: TaskContext, iterator: Iterator[T]) { val env = SparkEnv.get val outputDir = new Path(path) - val fs = outputDir.getFileSystem(SparkHadoopUtil.get.newConfiguration()) + val fs = outputDir.getFileSystem(broadcastedConf.value.value) val finalOutputName = splitIdToFile(ctx.partitionId) val finalOutputPath = new Path(outputDir, finalOutputName) @@ -92,7 +97,7 @@ private[spark] object CheckpointRDD extends Logging { throw new IOException("Checkpoint failed: temporary path " + tempOutputPath + " already exists") } - val bufferSize = System.getProperty("spark.buffer.size", "65536").toInt + val bufferSize = env.conf.get("spark.buffer.size", "65536").toInt val fileOutputStream = if (blockSize < 0) { fs.create(tempOutputPath, false, bufferSize) @@ -119,10 +124,14 @@ private[spark] object CheckpointRDD extends Logging { } } - def readFromFile[T](path: Path, context: TaskContext): Iterator[T] = { + def readFromFile[T]( + path: Path, + broadcastedConf: Broadcast[SerializableWritable[Configuration]], + context: TaskContext + ): Iterator[T] = { val env = SparkEnv.get - val fs = path.getFileSystem(SparkHadoopUtil.get.newConfiguration()) - val bufferSize = System.getProperty("spark.buffer.size", "65536").toInt + val fs = path.getFileSystem(broadcastedConf.value.value) + val bufferSize = env.conf.get("spark.buffer.size", "65536").toInt val fileInputStream = fs.open(path, bufferSize) val serializer = env.serializer.newInstance() val deserializeStream = serializer.deserializeStream(fileInputStream) @@ -144,8 +153,10 @@ private[spark] object CheckpointRDD extends Logging { val sc = new SparkContext(cluster, "CheckpointRDD Test") val rdd = sc.makeRDD(1 to 10, 10).flatMap(x => 1 to 10000) val path = new Path(hdfsPath, "temp") - val fs = path.getFileSystem(SparkHadoopUtil.get.newConfiguration()) - sc.runJob(rdd, CheckpointRDD.writeToFile(path.toString, 1024) _) + val conf = SparkHadoopUtil.get.newConfiguration() + val fs = path.getFileSystem(conf) + val broadcastedConf = sc.broadcast(new SerializableWritable(conf)) + sc.runJob(rdd, CheckpointRDD.writeToFile(path.toString, broadcastedConf, 1024) _) val cpRDD = new CheckpointRDD[Int](sc, path.toString) assert(cpRDD.partitions.length == rdd.partitions.length, "Number of partitions is not the same") assert(cpRDD.collect.toList == rdd.collect.toList, "Data of partitions not the same") diff --git a/core/src/main/scala/org/apache/spark/rdd/CoGroupedRDD.scala b/core/src/main/scala/org/apache/spark/rdd/CoGroupedRDD.scala index 911a002884..4ba4696fef 100644 --- a/core/src/main/scala/org/apache/spark/rdd/CoGroupedRDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/CoGroupedRDD.scala @@ -114,7 +114,7 @@ class CoGroupedRDD[K](@transient var rdds: Seq[RDD[_ <: Product2[K, _]]], part: map.changeValue(k, update) } - val ser = SparkEnv.get.serializerManager.get(serializerClass) + val ser = SparkEnv.get.serializerManager.get(serializerClass, SparkEnv.get.conf) for ((dep, depNum) <- split.deps.zipWithIndex) dep match { case NarrowCoGroupSplitDep(rdd, _, itsSplit) => { // Read them from the parent diff --git a/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala b/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala index 48168e152e..04a8d05988 100644 --- a/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala +++ b/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala @@ -40,12 +40,15 @@ import org.apache.hadoop.mapreduce.SparkHadoopMapReduceUtil import org.apache.hadoop.mapreduce.{Job => NewAPIHadoopJob} import org.apache.hadoop.mapreduce.{RecordWriter => NewRecordWriter} +import com.clearspring.analytics.stream.cardinality.HyperLogLog + import org.apache.spark._ import org.apache.spark.SparkContext._ import org.apache.spark.partial.{BoundedDouble, PartialResult} import org.apache.spark.Aggregator import org.apache.spark.Partitioner import org.apache.spark.Partitioner.defaultPartitioner +import org.apache.spark.util.SerializableHyperLogLog /** * Extra functions available on RDDs of (key, value) pairs through an implicit conversion. @@ -208,6 +211,45 @@ class PairRDDFunctions[K: ClassTag, V: ClassTag](self: RDD[(K, V)]) } /** + * Return approximate number of distinct values for each key in this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. Uses the provided + * Partitioner to partition the output RDD. + */ + def countApproxDistinctByKey(relativeSD: Double, partitioner: Partitioner): RDD[(K, Long)] = { + val createHLL = (v: V) => new SerializableHyperLogLog(new HyperLogLog(relativeSD)).add(v) + val mergeValueHLL = (hll: SerializableHyperLogLog, v: V) => hll.add(v) + val mergeHLL = (h1: SerializableHyperLogLog, h2: SerializableHyperLogLog) => h1.merge(h2) + + combineByKey(createHLL, mergeValueHLL, mergeHLL, partitioner).mapValues(_.value.cardinality()) + } + + /** + * Return approximate number of distinct values for each key in this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. HashPartitions the + * output RDD into numPartitions. + * + */ + def countApproxDistinctByKey(relativeSD: Double, numPartitions: Int): RDD[(K, Long)] = { + countApproxDistinctByKey(relativeSD, new HashPartitioner(numPartitions)) + } + + /** + * Return approximate number of distinct values for each key this RDD. + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. The default value of + * relativeSD is 0.05. Hash-partitions the output RDD using the existing partitioner/parallelism + * level. + */ + def countApproxDistinctByKey(relativeSD: Double = 0.05): RDD[(K, Long)] = { + countApproxDistinctByKey(relativeSD, defaultPartitioner(self)) + } + + /** * Merge the values for each key using an associative reduce function. This will also perform * the merging locally on each mapper before sending results to a reducer, similarly to a * "combiner" in MapReduce. Output will be hash-partitioned with numPartitions partitions. diff --git a/core/src/main/scala/org/apache/spark/rdd/PartitionerAwareUnionRDD.scala b/core/src/main/scala/org/apache/spark/rdd/PartitionerAwareUnionRDD.scala new file mode 100644 index 0000000000..4c625d062e --- /dev/null +++ b/core/src/main/scala/org/apache/spark/rdd/PartitionerAwareUnionRDD.scala @@ -0,0 +1,110 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.rdd + +import scala.reflect.ClassTag +import java.io.{ObjectOutputStream, IOException} +import org.apache.spark.{TaskContext, OneToOneDependency, SparkContext, Partition} + + +/** + * Class representing partitions of PartitionerAwareUnionRDD, which maintains the list of corresponding partitions + * of parent RDDs. + */ +private[spark] +class PartitionerAwareUnionRDDPartition( + @transient val rdds: Seq[RDD[_]], + val idx: Int + ) extends Partition { + var parents = rdds.map(_.partitions(idx)).toArray + + override val index = idx + override def hashCode(): Int = idx + + @throws(classOf[IOException]) + private def writeObject(oos: ObjectOutputStream) { + // Update the reference to parent partition at the time of task serialization + parents = rdds.map(_.partitions(index)).toArray + oos.defaultWriteObject() + } +} + +/** + * Class representing an RDD that can take multiple RDDs partitioned by the same partitioner and + * unify them into a single RDD while preserving the partitioner. So m RDDs with p partitions each + * will be unified to a single RDD with p partitions and the same partitioner. The preferred + * location for each partition of the unified RDD will be the most common preferred location + * of the corresponding partitions of the parent RDDs. For example, location of partition 0 + * of the unified RDD will be where most of partition 0 of the parent RDDs are located. + */ +private[spark] +class PartitionerAwareUnionRDD[T: ClassTag]( + sc: SparkContext, + var rdds: Seq[RDD[T]] + ) extends RDD[T](sc, rdds.map(x => new OneToOneDependency(x))) { + require(rdds.length > 0) + require(rdds.flatMap(_.partitioner).toSet.size == 1, + "Parent RDDs have different partitioners: " + rdds.flatMap(_.partitioner)) + + override val partitioner = rdds.head.partitioner + + override def getPartitions: Array[Partition] = { + val numPartitions = partitioner.get.numPartitions + (0 until numPartitions).map(index => { + new PartitionerAwareUnionRDDPartition(rdds, index) + }).toArray + } + + // Get the location where most of the partitions of parent RDDs are located + override def getPreferredLocations(s: Partition): Seq[String] = { + logDebug("Finding preferred location for " + this + ", partition " + s.index) + val parentPartitions = s.asInstanceOf[PartitionerAwareUnionRDDPartition].parents + val locations = rdds.zip(parentPartitions).flatMap { + case (rdd, part) => { + val parentLocations = currPrefLocs(rdd, part) + logDebug("Location of " + rdd + " partition " + part.index + " = " + parentLocations) + parentLocations + } + } + val location = if (locations.isEmpty) { + None + } else { + // Find the location that maximum number of parent partitions prefer + Some(locations.groupBy(x => x).maxBy(_._2.length)._1) + } + logDebug("Selected location for " + this + ", partition " + s.index + " = " + location) + location.toSeq + } + + override def compute(s: Partition, context: TaskContext): Iterator[T] = { + val parentPartitions = s.asInstanceOf[PartitionerAwareUnionRDDPartition].parents + rdds.zip(parentPartitions).iterator.flatMap { + case (rdd, p) => rdd.iterator(p, context) + } + } + + override def clearDependencies() { + super.clearDependencies() + rdds = null + } + + // Get the *current* preferred locations from the DAGScheduler (as opposed to the static ones) + private def currPrefLocs(rdd: RDD[_], part: Partition): Seq[String] = { + rdd.context.getPreferredLocs(rdd, part.index).map(tl => tl.host) + } +} diff --git a/core/src/main/scala/org/apache/spark/rdd/RDD.scala b/core/src/main/scala/org/apache/spark/rdd/RDD.scala index ea45566ad1..3f41b66279 100644 --- a/core/src/main/scala/org/apache/spark/rdd/RDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/RDD.scala @@ -33,6 +33,7 @@ import org.apache.hadoop.io.Text import org.apache.hadoop.mapred.TextOutputFormat import it.unimi.dsi.fastutil.objects.{Object2LongOpenHashMap => OLMap} +import com.clearspring.analytics.stream.cardinality.HyperLogLog import org.apache.spark.Partitioner._ import org.apache.spark.api.java.JavaRDD @@ -41,7 +42,7 @@ import org.apache.spark.partial.CountEvaluator import org.apache.spark.partial.GroupedCountEvaluator import org.apache.spark.partial.PartialResult import org.apache.spark.storage.StorageLevel -import org.apache.spark.util.{Utils, BoundedPriorityQueue} +import org.apache.spark.util.{Utils, BoundedPriorityQueue, SerializableHyperLogLog} import org.apache.spark.SparkContext._ import org.apache.spark._ @@ -81,6 +82,7 @@ abstract class RDD[T: ClassTag]( def this(@transient oneParent: RDD[_]) = this(oneParent.context , List(new OneToOneDependency(oneParent))) + private[spark] def conf = sc.conf // ======================================================================= // Methods that should be implemented by subclasses of RDD // ======================================================================= @@ -789,6 +791,19 @@ abstract class RDD[T: ClassTag]( } /** + * Return approximate number of distinct elements in the RDD. + * + * The accuracy of approximation can be controlled through the relative standard deviation + * (relativeSD) parameter, which also controls the amount of memory used. Lower values result in + * more accurate counts but increase the memory footprint and vise versa. The default value of + * relativeSD is 0.05. + */ + def countApproxDistinct(relativeSD: Double = 0.05): Long = { + val zeroCounter = new SerializableHyperLogLog(new HyperLogLog(relativeSD)) + aggregate(zeroCounter)(_.add(_), _.merge(_)).value.cardinality() + } + + /** * Take the first num elements of the RDD. It works by first scanning one partition, and use the * results from that partition to estimate the number of additional partitions needed to satisfy * the limit. @@ -938,7 +953,7 @@ abstract class RDD[T: ClassTag]( private var storageLevel: StorageLevel = StorageLevel.NONE /** Record user function generating this RDD. */ - @transient private[spark] val origin = Utils.formatSparkCallSite + @transient private[spark] val origin = sc.getCallSite private[spark] def elementClassTag: ClassTag[T] = classTag[T] diff --git a/core/src/main/scala/org/apache/spark/rdd/RDDCheckpointData.scala b/core/src/main/scala/org/apache/spark/rdd/RDDCheckpointData.scala index 3b56e45aa9..bc688110f4 100644 --- a/core/src/main/scala/org/apache/spark/rdd/RDDCheckpointData.scala +++ b/core/src/main/scala/org/apache/spark/rdd/RDDCheckpointData.scala @@ -22,7 +22,7 @@ import scala.reflect.ClassTag import org.apache.hadoop.fs.Path import org.apache.hadoop.conf.Configuration -import org.apache.spark.{Partition, SparkException, Logging} +import org.apache.spark.{SerializableWritable, Partition, SparkException, Logging} import org.apache.spark.scheduler.{ResultTask, ShuffleMapTask} /** @@ -40,7 +40,7 @@ private[spark] object CheckpointState extends Enumeration { * manages the post-checkpoint state by providing the updated partitions, iterator and preferred locations * of the checkpointed RDD. */ -private[spark] class RDDCheckpointData[T: ClassTag](rdd: RDD[T]) +private[spark] class RDDCheckpointData[T: ClassTag](@transient rdd: RDD[T]) extends Logging with Serializable { import CheckpointState._ @@ -85,14 +85,21 @@ private[spark] class RDDCheckpointData[T: ClassTag](rdd: RDD[T]) // Create the output path for the checkpoint val path = new Path(rdd.context.checkpointDir.get, "rdd-" + rdd.id) - val fs = path.getFileSystem(new Configuration()) + val fs = path.getFileSystem(rdd.context.hadoopConfiguration) if (!fs.mkdirs(path)) { throw new SparkException("Failed to create checkpoint path " + path) } // Save to file, and reload it as an RDD - rdd.context.runJob(rdd, CheckpointRDD.writeToFile(path.toString) _) + val broadcastedConf = rdd.context.broadcast( + new SerializableWritable(rdd.context.hadoopConfiguration)) + rdd.context.runJob(rdd, CheckpointRDD.writeToFile(path.toString, broadcastedConf) _) val newRDD = new CheckpointRDD[T](rdd.context, path.toString) + if (newRDD.partitions.size != rdd.partitions.size) { + throw new SparkException( + "Checkpoint RDD " + newRDD + "("+ newRDD.partitions.size + ") has different " + + "number of partitions than original RDD " + rdd + "(" + rdd.partitions.size + ")") + } // Change the dependencies and partitions of the RDD RDDCheckpointData.synchronized { @@ -101,8 +108,8 @@ private[spark] class RDDCheckpointData[T: ClassTag](rdd: RDD[T]) rdd.markCheckpointed(newRDD) // Update the RDD's dependencies and partitions cpState = Checkpointed RDDCheckpointData.clearTaskCaches() - logInfo("Done checkpointing RDD " + rdd.id + ", new parent is RDD " + newRDD.id) } + logInfo("Done checkpointing RDD " + rdd.id + " to " + path + ", new parent is RDD " + newRDD.id) } // Get preferred location of a split after checkpointing diff --git a/core/src/main/scala/org/apache/spark/rdd/ShuffledRDD.scala b/core/src/main/scala/org/apache/spark/rdd/ShuffledRDD.scala index 3682c84598..0ccb309d0d 100644 --- a/core/src/main/scala/org/apache/spark/rdd/ShuffledRDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/ShuffledRDD.scala @@ -59,7 +59,7 @@ class ShuffledRDD[K, V, P <: Product2[K, V] : ClassTag]( override def compute(split: Partition, context: TaskContext): Iterator[P] = { val shuffledId = dependencies.head.asInstanceOf[ShuffleDependency[K, V]].shuffleId SparkEnv.get.shuffleFetcher.fetch[P](shuffledId, split.index, context, - SparkEnv.get.serializerManager.get(serializerClass)) + SparkEnv.get.serializerManager.get(serializerClass, SparkEnv.get.conf)) } override def clearDependencies() { diff --git a/core/src/main/scala/org/apache/spark/rdd/SubtractedRDD.scala b/core/src/main/scala/org/apache/spark/rdd/SubtractedRDD.scala index aab30b1bb4..4f90c7d3d6 100644 --- a/core/src/main/scala/org/apache/spark/rdd/SubtractedRDD.scala +++ b/core/src/main/scala/org/apache/spark/rdd/SubtractedRDD.scala @@ -93,7 +93,7 @@ private[spark] class SubtractedRDD[K: ClassTag, V: ClassTag, W: ClassTag]( override def compute(p: Partition, context: TaskContext): Iterator[(K, V)] = { val partition = p.asInstanceOf[CoGroupPartition] - val serializer = SparkEnv.get.serializerManager.get(serializerClass) + val serializer = SparkEnv.get.serializerManager.get(serializerClass, SparkEnv.get.conf) val map = new JHashMap[K, ArrayBuffer[V]] def getSeq(k: K): ArrayBuffer[V] = { val seq = map.get(k) diff --git a/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala b/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala index 963d15b76d..043e01dbfb 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala @@ -152,13 +152,15 @@ class DAGScheduler( val waiting = new HashSet[Stage] // Stages we need to run whose parents aren't done val running = new HashSet[Stage] // Stages we are running right now val failed = new HashSet[Stage] // Stages that must be resubmitted due to fetch failures - val pendingTasks = new TimeStampedHashMap[Stage, HashSet[Task[_]]] // Missing tasks from each stage + // Missing tasks from each stage + val pendingTasks = new TimeStampedHashMap[Stage, HashSet[Task[_]]] var lastFetchFailureTime: Long = 0 // Used to wait a bit to avoid repeated resubmits val activeJobs = new HashSet[ActiveJob] val resultStageToJob = new HashMap[Stage, ActiveJob] - val metadataCleaner = new MetadataCleaner(MetadataCleanerType.DAG_SCHEDULER, this.cleanup) + val metadataCleaner = new MetadataCleaner( + MetadataCleanerType.DAG_SCHEDULER, this.cleanup, env.conf) /** * Starts the event processing actor. The actor has two responsibilities: @@ -239,7 +241,8 @@ class DAGScheduler( shuffleToMapStage.get(shuffleDep.shuffleId) match { case Some(stage) => stage case None => - val stage = newOrUsedStage(shuffleDep.rdd, shuffleDep.rdd.partitions.size, shuffleDep, jobId) + val stage = + newOrUsedStage(shuffleDep.rdd, shuffleDep.rdd.partitions.size, shuffleDep, jobId) shuffleToMapStage(shuffleDep.shuffleId) = stage stage } @@ -248,7 +251,8 @@ class DAGScheduler( /** * Create a Stage -- either directly for use as a result stage, or as part of the (re)-creation * of a shuffle map stage in newOrUsedStage. The stage will be associated with the provided - * jobId. Production of shuffle map stages should always use newOrUsedStage, not newStage directly. + * jobId. Production of shuffle map stages should always use newOrUsedStage, not newStage + * directly. */ private def newStage( rdd: RDD[_], @@ -358,7 +362,8 @@ class DAGScheduler( stageIdToJobIds.getOrElseUpdate(s.id, new HashSet[Int]()) += jobId jobIdToStageIds.getOrElseUpdate(jobId, new HashSet[Int]()) += s.id val parents = getParentStages(s.rdd, jobId) - val parentsWithoutThisJobId = parents.filter(p => !stageIdToJobIds.get(p.id).exists(_.contains(jobId))) + val parentsWithoutThisJobId = parents.filter(p => + !stageIdToJobIds.get(p.id).exists(_.contains(jobId))) updateJobIdStageIdMapsList(parentsWithoutThisJobId ++ stages.tail) } } @@ -366,8 +371,9 @@ class DAGScheduler( } /** - * Removes job and any stages that are not needed by any other job. Returns the set of ids for stages that - * were removed. The associated tasks for those stages need to be cancelled if we got here via job cancellation. + * Removes job and any stages that are not needed by any other job. Returns the set of ids for + * stages that were removed. The associated tasks for those stages need to be cancelled if we + * got here via job cancellation. */ private def removeJobAndIndependentStages(jobId: Int): Set[Int] = { val registeredStages = jobIdToStageIds(jobId) @@ -378,7 +384,8 @@ class DAGScheduler( stageIdToJobIds.filterKeys(stageId => registeredStages.contains(stageId)).foreach { case (stageId, jobSet) => if (!jobSet.contains(jobId)) { - logError("Job %d not registered for stage %d even though that stage was registered for the job" + logError( + "Job %d not registered for stage %d even though that stage was registered for the job" .format(jobId, stageId)) } else { def removeStage(stageId: Int) { @@ -389,7 +396,8 @@ class DAGScheduler( running -= s } stageToInfos -= s - shuffleToMapStage.keys.filter(shuffleToMapStage(_) == s).foreach(shuffleToMapStage.remove) + shuffleToMapStage.keys.filter(shuffleToMapStage(_) == s).foreach(shuffleId => + shuffleToMapStage.remove(shuffleId)) if (pendingTasks.contains(s) && !pendingTasks(s).isEmpty) { logDebug("Removing pending status for stage %d".format(stageId)) } @@ -407,7 +415,8 @@ class DAGScheduler( stageIdToStage -= stageId stageIdToJobIds -= stageId - logDebug("After removal of stage %d, remaining stages = %d".format(stageId, stageIdToStage.size)) + logDebug("After removal of stage %d, remaining stages = %d" + .format(stageId, stageIdToStage.size)) } jobSet -= jobId @@ -459,7 +468,8 @@ class DAGScheduler( assert(partitions.size > 0) val func2 = func.asInstanceOf[(TaskContext, Iterator[_]) => _] val waiter = new JobWaiter(this, jobId, partitions.size, resultHandler) - eventProcessActor ! JobSubmitted(jobId, rdd, func2, partitions.toArray, allowLocal, callSite, waiter, properties) + eventProcessActor ! JobSubmitted( + jobId, rdd, func2, partitions.toArray, allowLocal, callSite, waiter, properties) waiter } @@ -494,7 +504,8 @@ class DAGScheduler( val func2 = func.asInstanceOf[(TaskContext, Iterator[_]) => _] val partitions = (0 until rdd.partitions.size).toArray val jobId = nextJobId.getAndIncrement() - eventProcessActor ! JobSubmitted(jobId, rdd, func2, partitions, allowLocal = false, callSite, listener, properties) + eventProcessActor ! JobSubmitted( + jobId, rdd, func2, partitions, allowLocal = false, callSite, listener, properties) listener.awaitResult() // Will throw an exception if the job fails } @@ -529,8 +540,8 @@ class DAGScheduler( case JobSubmitted(jobId, rdd, func, partitions, allowLocal, callSite, listener, properties) => var finalStage: Stage = null try { - // New stage creation at times and if its not protected, the scheduler thread is killed. - // e.g. it can fail when jobs are run on HadoopRDD whose underlying hdfs files have been deleted + // New stage creation may throw an exception if, for example, jobs are run on a HadoopRDD + // whose underlying HDFS files have been deleted. finalStage = newStage(rdd, partitions.size, None, jobId, Some(callSite)) } catch { case e: Exception => @@ -563,7 +574,8 @@ class DAGScheduler( case JobGroupCancelled(groupId) => // Cancel all jobs belonging to this job group. // First finds all active jobs with this group id, and then kill stages for them. - val activeInGroup = activeJobs.filter(groupId == _.properties.get(SparkContext.SPARK_JOB_GROUP_ID)) + val activeInGroup = activeJobs.filter(activeJob => + groupId == activeJob.properties.get(SparkContext.SPARK_JOB_GROUP_ID)) val jobIds = activeInGroup.map(_.jobId) jobIds.foreach { handleJobCancellation } @@ -585,7 +597,8 @@ class DAGScheduler( stage <- stageIdToStage.get(task.stageId); stageInfo <- stageToInfos.get(stage) ) { - if (taskInfo.serializedSize > TASK_SIZE_TO_WARN * 1024 && !stageInfo.emittedTaskSizeWarning) { + if (taskInfo.serializedSize > TASK_SIZE_TO_WARN * 1024 && + !stageInfo.emittedTaskSizeWarning) { stageInfo.emittedTaskSizeWarning = true logWarning(("Stage %d (%s) contains a task of very large " + "size (%d KB). The maximum recommended task size is %d KB.").format( @@ -815,7 +828,7 @@ class DAGScheduler( } logInfo("%s (%s) finished in %s s".format(stage, stage.name, serviceTime)) stageToInfos(stage).completionTime = Some(System.currentTimeMillis()) - listenerBus.post(StageCompleted(stageToInfos(stage))) + listenerBus.post(SparkListenerStageCompleted(stageToInfos(stage))) running -= stage } event.reason match { diff --git a/core/src/main/scala/org/apache/spark/scheduler/InputFormatInfo.scala b/core/src/main/scala/org/apache/spark/scheduler/InputFormatInfo.scala index 1791ee660d..90eb8a747f 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/InputFormatInfo.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/InputFormatInfo.scala @@ -32,7 +32,7 @@ import scala.collection.JavaConversions._ /** * Parses and holds information about inputFormat (and files) specified as a parameter. */ -class InputFormatInfo(val configuration: Configuration, val inputFormatClazz: Class[_], +class InputFormatInfo(val configuration: Configuration, val inputFormatClazz: Class[_], val path: String) extends Logging { var mapreduceInputFormat: Boolean = false @@ -40,7 +40,7 @@ class InputFormatInfo(val configuration: Configuration, val inputFormatClazz: Cl validate() - override def toString(): String = { + override def toString: String = { "InputFormatInfo " + super.toString + " .. inputFormatClazz " + inputFormatClazz + ", path : " + path } @@ -125,7 +125,7 @@ class InputFormatInfo(val configuration: Configuration, val inputFormatClazz: Cl } private def findPreferredLocations(): Set[SplitInfo] = { - logDebug("mapreduceInputFormat : " + mapreduceInputFormat + ", mapredInputFormat : " + mapredInputFormat + + logDebug("mapreduceInputFormat : " + mapreduceInputFormat + ", mapredInputFormat : " + mapredInputFormat + ", inputFormatClazz : " + inputFormatClazz) if (mapreduceInputFormat) { return prefLocsFromMapreduceInputFormat() @@ -143,14 +143,14 @@ class InputFormatInfo(val configuration: Configuration, val inputFormatClazz: Cl object InputFormatInfo { /** Computes the preferred locations based on input(s) and returned a location to block map. - Typical use of this method for allocation would follow some algo like this - (which is what we currently do in YARN branch) : + Typical use of this method for allocation would follow some algo like this: + a) For each host, count number of splits hosted on that host. b) Decrement the currently allocated containers on that host. c) Compute rack info for each host and update rack -> count map based on (b). d) Allocate nodes based on (c) - e) On the allocation result, ensure that we dont allocate "too many" jobs on a single node - (even if data locality on that is very high) : this is to prevent fragility of job if a single + e) On the allocation result, ensure that we dont allocate "too many" jobs on a single node + (even if data locality on that is very high) : this is to prevent fragility of job if a single (or small set of) hosts go down. go to (a) until required nodes are allocated. diff --git a/core/src/main/scala/org/apache/spark/scheduler/JobLogger.scala b/core/src/main/scala/org/apache/spark/scheduler/JobLogger.scala index 60927831a1..f8fa5a9f7a 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/JobLogger.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/JobLogger.scala @@ -297,7 +297,7 @@ class JobLogger(val user: String, val logDirName: String) * When stage is completed, record stage completion status * @param stageCompleted Stage completed event */ - override def onStageCompleted(stageCompleted: StageCompleted) { + override def onStageCompleted(stageCompleted: SparkListenerStageCompleted) { stageLogInfo(stageCompleted.stage.stageId, "STAGE_ID=%d STATUS=COMPLETED".format( stageCompleted.stage.stageId)) } @@ -328,10 +328,6 @@ class JobLogger(val user: String, val logDirName: String) task.stageId + " SHUFFLE_ID=" + shuffleId + " MAP_ID=" + mapId + " REDUCE_ID=" + reduceId stageLogInfo(task.stageId, taskStatus) - case OtherFailure(message) => - taskStatus += " STATUS=FAILURE TID=" + taskInfo.taskId + - " STAGE_ID=" + task.stageId + " INFO=" + message - stageLogInfo(task.stageId, taskStatus) case _ => } } diff --git a/core/src/main/scala/org/apache/spark/scheduler/Pool.scala b/core/src/main/scala/org/apache/spark/scheduler/Pool.scala index 596f9adde9..1791242215 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/Pool.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/Pool.scala @@ -117,8 +117,4 @@ private[spark] class Pool( parent.decreaseRunningTasks(taskNum) } } - - override def hasPendingTasks(): Boolean = { - schedulableQueue.exists(_.hasPendingTasks()) - } } diff --git a/core/src/main/scala/org/apache/spark/scheduler/ResultTask.scala b/core/src/main/scala/org/apache/spark/scheduler/ResultTask.scala index 310ec62ca8..28f3ba53b8 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/ResultTask.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/ResultTask.scala @@ -32,7 +32,9 @@ private[spark] object ResultTask { // expensive on the master node if it needs to launch thousands of tasks. val serializedInfoCache = new TimeStampedHashMap[Int, Array[Byte]] - val metadataCleaner = new MetadataCleaner(MetadataCleanerType.RESULT_TASK, serializedInfoCache.clearOldValues) + // TODO: This object shouldn't have global variables + val metadataCleaner = new MetadataCleaner( + MetadataCleanerType.RESULT_TASK, serializedInfoCache.clearOldValues, new SparkConf) def serializeInfo(stageId: Int, rdd: RDD[_], func: (TaskContext, Iterator[_]) => _): Array[Byte] = { synchronized { diff --git a/core/src/main/scala/org/apache/spark/scheduler/Schedulable.scala b/core/src/main/scala/org/apache/spark/scheduler/Schedulable.scala index 1c7ea2dccc..d573e125a3 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/Schedulable.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/Schedulable.scala @@ -42,5 +42,4 @@ private[spark] trait Schedulable { def executorLost(executorId: String, host: String): Unit def checkSpeculatableTasks(): Boolean def getSortedTaskSetQueue(): ArrayBuffer[TaskSetManager] - def hasPendingTasks(): Boolean } diff --git a/core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala b/core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala index 356fe56bf3..3cf995ea74 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/SchedulableBuilder.scala @@ -20,7 +20,7 @@ package org.apache.spark.scheduler import java.io.{FileInputStream, InputStream} import java.util.{NoSuchElementException, Properties} -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import scala.xml.XML @@ -49,10 +49,10 @@ private[spark] class FIFOSchedulableBuilder(val rootPool: Pool) } } -private[spark] class FairSchedulableBuilder(val rootPool: Pool) +private[spark] class FairSchedulableBuilder(val rootPool: Pool, conf: SparkConf) extends SchedulableBuilder with Logging { - val schedulerAllocFile = Option(System.getProperty("spark.scheduler.allocation.file")) + val schedulerAllocFile = conf.getOption("spark.scheduler.allocation.file") val DEFAULT_SCHEDULER_FILE = "fairscheduler.xml" val FAIR_SCHEDULER_PROPERTIES = "spark.scheduler.pool" val DEFAULT_POOL_NAME = "default" diff --git a/core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala index 89aa098664..02bdbba825 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/SchedulerBackend.scala @@ -31,7 +31,4 @@ private[spark] trait SchedulerBackend { def defaultParallelism(): Int def killTask(taskId: Long, executorId: String): Unit = throw new UnsupportedOperationException - - // Memory used by each executor (in megabytes) - protected val executorMemory: Int = SparkContext.executorMemoryRequested } diff --git a/core/src/main/scala/org/apache/spark/scheduler/ShuffleMapTask.scala b/core/src/main/scala/org/apache/spark/scheduler/ShuffleMapTask.scala index 0f2deb4bcb..a37ead5632 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/ShuffleMapTask.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/ShuffleMapTask.scala @@ -37,7 +37,9 @@ private[spark] object ShuffleMapTask { // expensive on the master node if it needs to launch thousands of tasks. val serializedInfoCache = new TimeStampedHashMap[Int, Array[Byte]] - val metadataCleaner = new MetadataCleaner(MetadataCleanerType.SHUFFLE_MAP_TASK, serializedInfoCache.clearOldValues) + // TODO: This object shouldn't have global variables + val metadataCleaner = new MetadataCleaner( + MetadataCleanerType.SHUFFLE_MAP_TASK, serializedInfoCache.clearOldValues, new SparkConf) def serializeInfo(stageId: Int, rdd: RDD[_], dep: ShuffleDependency[_,_]): Array[Byte] = { synchronized { @@ -152,7 +154,7 @@ private[spark] class ShuffleMapTask( try { // Obtain all the block writers for shuffle blocks. - val ser = SparkEnv.get.serializerManager.get(dep.serializerClass) + val ser = SparkEnv.get.serializerManager.get(dep.serializerClass, SparkEnv.get.conf) shuffle = shuffleBlockManager.forMapTask(dep.shuffleId, partitionId, numOutputSplits, ser) // Write the map output to its associated buckets. diff --git a/core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala b/core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala index ee63b3c4a1..627995c826 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala @@ -27,7 +27,7 @@ sealed trait SparkListenerEvents case class SparkListenerStageSubmitted(stage: StageInfo, properties: Properties) extends SparkListenerEvents -case class StageCompleted(val stage: StageInfo) extends SparkListenerEvents +case class SparkListenerStageCompleted(val stage: StageInfo) extends SparkListenerEvents case class SparkListenerTaskStart(task: Task[_], taskInfo: TaskInfo) extends SparkListenerEvents @@ -47,7 +47,7 @@ trait SparkListener { /** * Called when a stage is completed, with information on the completed stage */ - def onStageCompleted(stageCompleted: StageCompleted) { } + def onStageCompleted(stageCompleted: SparkListenerStageCompleted) { } /** * Called when a stage is submitted @@ -86,7 +86,7 @@ trait SparkListener { * Simple SparkListener that logs a few summary statistics when each stage completes */ class StatsReportListener extends SparkListener with Logging { - override def onStageCompleted(stageCompleted: StageCompleted) { + override def onStageCompleted(stageCompleted: SparkListenerStageCompleted) { import org.apache.spark.scheduler.StatsReportListener._ implicit val sc = stageCompleted this.logInfo("Finished stage: " + stageCompleted.stage) @@ -119,13 +119,17 @@ object StatsReportListener extends Logging { val probabilities = percentiles.map{_ / 100.0} val percentilesHeader = "\t" + percentiles.mkString("%\t") + "%" - def extractDoubleDistribution(stage:StageCompleted, getMetric: (TaskInfo,TaskMetrics) => Option[Double]): Option[Distribution] = { + def extractDoubleDistribution(stage: SparkListenerStageCompleted, + getMetric: (TaskInfo,TaskMetrics) => Option[Double]) + : Option[Distribution] = { Distribution(stage.stage.taskInfos.flatMap { case ((info,metric)) => getMetric(info, metric)}) } //is there some way to setup the types that I can get rid of this completely? - def extractLongDistribution(stage:StageCompleted, getMetric: (TaskInfo,TaskMetrics) => Option[Long]): Option[Distribution] = { + def extractLongDistribution(stage: SparkListenerStageCompleted, + getMetric: (TaskInfo,TaskMetrics) => Option[Long]) + : Option[Distribution] = { extractDoubleDistribution(stage, (info, metric) => getMetric(info,metric).map{_.toDouble}) } @@ -147,12 +151,12 @@ object StatsReportListener extends Logging { } def showDistribution(heading:String, format: String, getMetric: (TaskInfo,TaskMetrics) => Option[Double]) - (implicit stage: StageCompleted) { + (implicit stage: SparkListenerStageCompleted) { showDistribution(heading, extractDoubleDistribution(stage, getMetric), format) } def showBytesDistribution(heading:String, getMetric: (TaskInfo,TaskMetrics) => Option[Long]) - (implicit stage: StageCompleted) { + (implicit stage: SparkListenerStageCompleted) { showBytesDistribution(heading, extractLongDistribution(stage, getMetric)) } @@ -169,7 +173,7 @@ object StatsReportListener extends Logging { } def showMillisDistribution(heading: String, getMetric: (TaskInfo, TaskMetrics) => Option[Long]) - (implicit stage: StageCompleted) { + (implicit stage: SparkListenerStageCompleted) { showMillisDistribution(heading, extractLongDistribution(stage, getMetric)) } diff --git a/core/src/main/scala/org/apache/spark/scheduler/SparkListenerBus.scala b/core/src/main/scala/org/apache/spark/scheduler/SparkListenerBus.scala index 85687ea330..e7defd768b 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/SparkListenerBus.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/SparkListenerBus.scala @@ -41,7 +41,7 @@ private[spark] class SparkListenerBus() extends Logging { event match {
case stageSubmitted: SparkListenerStageSubmitted =>
sparkListeners.foreach(_.onStageSubmitted(stageSubmitted))
- case stageCompleted: StageCompleted =>
+ case stageCompleted: SparkListenerStageCompleted =>
sparkListeners.foreach(_.onStageCompleted(stageCompleted))
case jobStart: SparkListenerJobStart =>
sparkListeners.foreach(_.onJobStart(jobStart))
diff --git a/core/src/main/scala/org/apache/spark/scheduler/TaskResultGetter.scala b/core/src/main/scala/org/apache/spark/scheduler/TaskResultGetter.scala index 89102720fa..e22b1e53e8 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/TaskResultGetter.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/TaskResultGetter.scala @@ -30,7 +30,8 @@ import org.apache.spark.util.Utils */ private[spark] class TaskResultGetter(sparkEnv: SparkEnv, scheduler: TaskSchedulerImpl) extends Logging { - private val THREADS = System.getProperty("spark.resultGetter.threads", "4").toInt + + private val THREADS = sparkEnv.conf.get("spark.resultGetter.threads", "4").toInt private val getTaskResultExecutor = Utils.newDaemonFixedThreadPool( THREADS, "Result resolver thread") diff --git a/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala b/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala index dbac6b96ac..0c8ed62759 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala @@ -35,7 +35,7 @@ import org.apache.spark.scheduler.SchedulingMode.SchedulingMode * It can also work with a local setup by using a LocalBackend and setting isLocal to true. * It handles common logic, like determining a scheduling order across jobs, waking up to launch * speculative tasks, etc. - * + * * Clients should first call initialize() and start(), then submit task sets through the * runTasks method. * @@ -47,15 +47,19 @@ import org.apache.spark.scheduler.SchedulingMode.SchedulingMode */ private[spark] class TaskSchedulerImpl( val sc: SparkContext, - val maxTaskFailures : Int = System.getProperty("spark.task.maxFailures", "4").toInt, + val maxTaskFailures: Int, isLocal: Boolean = false) - extends TaskScheduler with Logging { + extends TaskScheduler with Logging +{ + def this(sc: SparkContext) = this(sc, sc.conf.get("spark.task.maxFailures", "4").toInt) + + val conf = sc.conf // How often to check for speculative tasks - val SPECULATION_INTERVAL = System.getProperty("spark.speculation.interval", "100").toLong + val SPECULATION_INTERVAL = conf.get("spark.speculation.interval", "100").toLong // Threshold above which we warn user initial TaskSet may be starved - val STARVATION_TIMEOUT = System.getProperty("spark.starvation.timeout", "15000").toLong + val STARVATION_TIMEOUT = conf.get("spark.starvation.timeout", "15000").toLong // TaskSetManagers are not thread safe, so any access to one should be synchronized // on this class. @@ -92,7 +96,7 @@ private[spark] class TaskSchedulerImpl( var rootPool: Pool = null // default scheduler is FIFO val schedulingMode: SchedulingMode = SchedulingMode.withName( - System.getProperty("spark.scheduler.mode", "FIFO")) + conf.get("spark.scheduler.mode", "FIFO")) // This is a var so that we can reset it for testing purposes. private[spark] var taskResultGetter = new TaskResultGetter(sc.env, this) @@ -110,7 +114,7 @@ private[spark] class TaskSchedulerImpl( case SchedulingMode.FIFO => new FIFOSchedulableBuilder(rootPool) case SchedulingMode.FAIR => - new FairSchedulableBuilder(rootPool) + new FairSchedulableBuilder(rootPool, conf) } } schedulableBuilder.buildPools() @@ -121,7 +125,7 @@ private[spark] class TaskSchedulerImpl( override def start() { backend.start() - if (!isLocal && System.getProperty("spark.speculation", "false").toBoolean) { + if (!isLocal && conf.get("spark.speculation", "false").toBoolean) { logInfo("Starting speculative execution thread") import sc.env.actorSystem.dispatcher sc.env.actorSystem.scheduler.schedule(SPECULATION_INTERVAL milliseconds, @@ -281,7 +285,8 @@ private[spark] class TaskSchedulerImpl( } } case None => - logInfo("Ignoring update from TID " + tid + " because its task set is gone") + logInfo("Ignoring update with state %s from TID %s because its task set is gone" + .format(state, tid)) } } catch { case e: Exception => logError("Exception in statusUpdate", e) @@ -324,7 +329,7 @@ private[spark] class TaskSchedulerImpl( // Have each task set throw a SparkException with the error for ((taskSetId, manager) <- activeTaskSets) { try { - manager.error(message) + manager.abort(message) } catch { case e: Exception => logError("Exception in error callback", e) } @@ -365,13 +370,6 @@ private[spark] class TaskSchedulerImpl( } } - // Check for pending tasks in all our active jobs. - def hasPendingTasks: Boolean = { - synchronized { - rootPool.hasPendingTasks() - } - } - def executorLost(executorId: String, reason: ExecutorLossReason) { var failedExecutor: Option[String] = None diff --git a/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala b/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala index c676e73e03..6dd1469d8f 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala @@ -54,12 +54,14 @@ private[spark] class TaskSetManager( clock: Clock = SystemClock) extends Schedulable with Logging { + val conf = sched.sc.conf + // CPUs to request per task - val CPUS_PER_TASK = System.getProperty("spark.task.cpus", "1").toInt + val CPUS_PER_TASK = conf.get("spark.task.cpus", "1").toInt // Quantile of tasks at which to start speculation - val SPECULATION_QUANTILE = System.getProperty("spark.speculation.quantile", "0.75").toDouble - val SPECULATION_MULTIPLIER = System.getProperty("spark.speculation.multiplier", "1.5").toDouble + val SPECULATION_QUANTILE = conf.get("spark.speculation.quantile", "0.75").toDouble + val SPECULATION_MULTIPLIER = conf.get("spark.speculation.multiplier", "1.5").toDouble // Serializer for closures and tasks. val env = SparkEnv.get @@ -112,13 +114,9 @@ private[spark] class TaskSetManager( // Task index, start and finish time for each task attempt (indexed by task ID) val taskInfos = new HashMap[Long, TaskInfo] - // Did the TaskSet fail? - var failed = false - var causeOfFailure = "" - // How frequently to reprint duplicate exceptions in full, in milliseconds val EXCEPTION_PRINT_INTERVAL = - System.getProperty("spark.logging.exceptionPrintInterval", "10000").toLong + conf.get("spark.logging.exceptionPrintInterval", "10000").toLong // Map of recent exceptions (identified by string representation and top stack frame) to // duplicate count (how many times the same exception has appeared) and time the full exception @@ -550,14 +548,7 @@ private[spark] class TaskSetManager( } } - def error(message: String) { - // Save the error message - abort("Error: " + message) - } - def abort(message: String) { - failed = true - causeOfFailure = message // TODO: Kill running tasks if we were not terminated due to a Mesos error sched.dagScheduler.taskSetFailed(taskSet, message) removeAllRunningTasks() @@ -681,19 +672,15 @@ private[spark] class TaskSetManager( return foundTasks } - override def hasPendingTasks(): Boolean = { - numTasks > 0 && tasksSuccessful < numTasks - } - private def getLocalityWait(level: TaskLocality.TaskLocality): Long = { - val defaultWait = System.getProperty("spark.locality.wait", "3000") + val defaultWait = conf.get("spark.locality.wait", "3000") level match { case TaskLocality.PROCESS_LOCAL => - System.getProperty("spark.locality.wait.process", defaultWait).toLong + conf.get("spark.locality.wait.process", defaultWait).toLong case TaskLocality.NODE_LOCAL => - System.getProperty("spark.locality.wait.node", defaultWait).toLong + conf.get("spark.locality.wait.node", defaultWait).toLong case TaskLocality.RACK_LOCAL => - System.getProperty("spark.locality.wait.rack", defaultWait).toLong + conf.get("spark.locality.wait.rack", defaultWait).toLong case TaskLocality.ANY => 0L } diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala index 5c534a6f43..2f5bcafe40 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala @@ -48,8 +48,8 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A { // Use an atomic variable to track total number of cores in the cluster for simplicity and speed var totalCoreCount = new AtomicInteger(0) - - private val timeout = AkkaUtils.askTimeout + val conf = scheduler.sc.conf + private val timeout = AkkaUtils.askTimeout(conf) class DriverActor(sparkProperties: Seq[(String, String)]) extends Actor { private val executorActor = new HashMap[String, ActorRef] @@ -63,7 +63,7 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A context.system.eventStream.subscribe(self, classOf[RemotingLifecycleEvent]) // Periodically revive offers to allow delay scheduling to work - val reviveInterval = System.getProperty("spark.scheduler.revive.interval", "1000").toLong + val reviveInterval = conf.get("spark.scheduler.revive.interval", "1000").toLong import context.dispatcher context.system.scheduler.schedule(0.millis, reviveInterval.millis, self, ReviveOffers) } @@ -119,7 +119,7 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A removeExecutor(executorId, reason) sender ! true - case DisassociatedEvent(_, address, _) => + case DisassociatedEvent(_, address, _) => addressToExecutorId.get(address).foreach(removeExecutor(_, "remote Akka client disassociated")) } @@ -164,14 +164,12 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A override def start() { val properties = new ArrayBuffer[(String, String)] - val iterator = System.getProperties.entrySet.iterator - while (iterator.hasNext) { - val entry = iterator.next - val (key, value) = (entry.getKey.toString, entry.getValue.toString) + for ((key, value) <- scheduler.sc.conf.getAll) { if (key.startsWith("spark.") && !key.equals("spark.hostPort")) { properties += ((key, value)) } } + //TODO (prashant) send conf instead of properties driverActor = actorSystem.actorOf( Props(new DriverActor(properties)), name = CoarseGrainedSchedulerBackend.ACTOR_NAME) } @@ -210,8 +208,10 @@ class CoarseGrainedSchedulerBackend(scheduler: TaskSchedulerImpl, actorSystem: A driverActor ! KillTask(taskId, executorId) } - override def defaultParallelism() = Option(System.getProperty("spark.default.parallelism")) - .map(_.toInt).getOrElse(math.max(totalCoreCount.get(), 2)) + override def defaultParallelism(): Int = { + conf.getOption("spark.default.parallelism").map(_.toInt).getOrElse( + math.max(totalCoreCount.get(), 2)) + } // Called by subclasses when notified of a lost worker def removeExecutor(executorId: String, reason: String) { diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/SimrSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/SimrSchedulerBackend.scala index ec3e68e970..b44d1e43c8 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/cluster/SimrSchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/SimrSchedulerBackend.scala @@ -33,13 +33,13 @@ private[spark] class SimrSchedulerBackend( val tmpPath = new Path(driverFilePath + "_tmp") val filePath = new Path(driverFilePath) - val maxCores = System.getProperty("spark.simr.executor.cores", "1").toInt + val maxCores = conf.get("spark.simr.executor.cores", "1").toInt override def start() { super.start() val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( - System.getProperty("spark.driver.host"), System.getProperty("spark.driver.port"), + sc.conf.get("spark.driver.host"), sc.conf.get("spark.driver.port"), CoarseGrainedSchedulerBackend.ACTOR_NAME) val conf = new Configuration() diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala index 0615f7b565..c8c77e99bf 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala @@ -38,23 +38,23 @@ private[spark] class SparkDeploySchedulerBackend( var stopping = false var shutdownCallback : (SparkDeploySchedulerBackend) => Unit = _ - val maxCores = System.getProperty("spark.cores.max", Int.MaxValue.toString).toInt + val maxCores = conf.get("spark.cores.max", Int.MaxValue.toString).toInt override def start() { super.start() // The endpoint for executors to talk to us val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( - System.getProperty("spark.driver.host"), System.getProperty("spark.driver.port"), + conf.get("spark.driver.host"), conf.get("spark.driver.port"), CoarseGrainedSchedulerBackend.ACTOR_NAME) val args = Seq(driverUrl, "{{EXECUTOR_ID}}", "{{HOSTNAME}}", "{{CORES}}", "{{WORKER_URL}}") val command = Command( "org.apache.spark.executor.CoarseGrainedExecutorBackend", args, sc.executorEnvs) val sparkHome = sc.getSparkHome().getOrElse(null) - val appDesc = new ApplicationDescription(appName, maxCores, executorMemory, command, sparkHome, + val appDesc = new ApplicationDescription(appName, maxCores, sc.executorMemory, command, sparkHome, "http://" + sc.ui.appUIAddress) - client = new AppClient(sc.env.actorSystem, masters, appDesc, this) + client = new AppClient(sc.env.actorSystem, masters, appDesc, this, conf) client.start() } diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala index 39573fc8c9..d46fceba89 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala @@ -62,7 +62,7 @@ private[spark] class CoarseMesosSchedulerBackend( var driver: SchedulerDriver = null // Maximum number of cores to acquire (TODO: we'll need more flexible controls here) - val maxCores = System.getProperty("spark.cores.max", Int.MaxValue.toString).toInt + val maxCores = conf.get("spark.cores.max", Int.MaxValue.toString).toInt // Cores we have acquired with each Mesos task ID val coresByTaskId = new HashMap[Int, Int] @@ -77,7 +77,7 @@ private[spark] class CoarseMesosSchedulerBackend( "Spark home is not set; set it through the spark.home system " + "property, the SPARK_HOME environment variable or the SparkContext constructor")) - val extraCoresPerSlave = System.getProperty("spark.mesos.extra.cores", "0").toInt + val extraCoresPerSlave = conf.get("spark.mesos.extra.cores", "0").toInt var nextMesosTaskId = 0 @@ -122,12 +122,12 @@ private[spark] class CoarseMesosSchedulerBackend( val command = CommandInfo.newBuilder() .setEnvironment(environment) val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( - System.getProperty("spark.driver.host"), - System.getProperty("spark.driver.port"), + conf.get("spark.driver.host"), + conf.get("spark.driver.port"), CoarseGrainedSchedulerBackend.ACTOR_NAME) - val uri = System.getProperty("spark.executor.uri") + val uri = conf.get("spark.executor.uri", null) if (uri == null) { - val runScript = new File(sparkHome, "spark-class").getCanonicalPath + val runScript = new File(sparkHome, "./bin/spark-class").getCanonicalPath command.setValue( "\"%s\" org.apache.spark.executor.CoarseGrainedExecutorBackend %s %s %s %d".format( runScript, driverUrl, offer.getSlaveId.getValue, offer.getHostname, numCores)) @@ -136,7 +136,7 @@ private[spark] class CoarseMesosSchedulerBackend( // glob the directory "correctly". val basename = uri.split('/').last.split('.').head command.setValue( - "cd %s*; ./spark-class org.apache.spark.executor.CoarseGrainedExecutorBackend %s %s %s %d" + "cd %s*; ./bin/spark-class org.apache.spark.executor.CoarseGrainedExecutorBackend %s %s %s %d" .format(basename, driverUrl, offer.getSlaveId.getValue, offer.getHostname, numCores)) command.addUris(CommandInfo.URI.newBuilder().setValue(uri)) } @@ -177,7 +177,7 @@ private[spark] class CoarseMesosSchedulerBackend( val slaveId = offer.getSlaveId.toString val mem = getResource(offer.getResourcesList, "mem") val cpus = getResource(offer.getResourcesList, "cpus").toInt - if (totalCoresAcquired < maxCores && mem >= executorMemory && cpus >= 1 && + if (totalCoresAcquired < maxCores && mem >= sc.executorMemory && cpus >= 1 && failuresBySlaveId.getOrElse(slaveId, 0) < MAX_SLAVE_FAILURES && !slaveIdsWithExecutors.contains(slaveId)) { // Launch an executor on the slave @@ -193,7 +193,7 @@ private[spark] class CoarseMesosSchedulerBackend( .setCommand(createCommand(offer, cpusToUse + extraCoresPerSlave)) .setName("Task " + taskId) .addResources(createResource("cpus", cpusToUse)) - .addResources(createResource("mem", executorMemory)) + .addResources(createResource("mem", sc.executorMemory)) .build() d.launchTasks(offer.getId, Collections.singletonList(task), filters) } else { diff --git a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala index 6aa788c460..ae8d527352 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackend.scala @@ -100,20 +100,20 @@ private[spark] class MesosSchedulerBackend( } val command = CommandInfo.newBuilder() .setEnvironment(environment) - val uri = System.getProperty("spark.executor.uri") + val uri = sc.conf.get("spark.executor.uri", null) if (uri == null) { - command.setValue(new File(sparkHome, "spark-executor").getCanonicalPath) + command.setValue(new File(sparkHome, "/sbin/spark-executor").getCanonicalPath) } else { // Grab everything to the first '.'. We'll use that and '*' to // glob the directory "correctly". val basename = uri.split('/').last.split('.').head - command.setValue("cd %s*; ./spark-executor".format(basename)) + command.setValue("cd %s*; ./sbin/spark-executor".format(basename)) command.addUris(CommandInfo.URI.newBuilder().setValue(uri)) } val memory = Resource.newBuilder() .setName("mem") .setType(Value.Type.SCALAR) - .setScalar(Value.Scalar.newBuilder().setValue(executorMemory).build()) + .setScalar(Value.Scalar.newBuilder().setValue(sc.executorMemory).build()) .build() ExecutorInfo.newBuilder() .setExecutorId(ExecutorID.newBuilder().setValue(execId).build()) @@ -198,7 +198,7 @@ private[spark] class MesosSchedulerBackend( def enoughMemory(o: Offer) = { val mem = getResource(o.getResourcesList, "mem") val slaveId = o.getSlaveId.getValue - mem >= executorMemory || slaveIdsWithExecutors.contains(slaveId) + mem >= sc.executorMemory || slaveIdsWithExecutors.contains(slaveId) } for ((offer, index) <- offers.zipWithIndex if enoughMemory(offer)) { @@ -340,5 +340,5 @@ private[spark] class MesosSchedulerBackend( } // TODO: query Mesos for number of cores - override def defaultParallelism() = System.getProperty("spark.default.parallelism", "8").toInt + override def defaultParallelism() = sc.conf.get("spark.default.parallelism", "8").toInt } diff --git a/core/src/main/scala/org/apache/spark/scheduler/local/LocalBackend.scala b/core/src/main/scala/org/apache/spark/scheduler/local/LocalBackend.scala index 4edc6a0d3f..897d47a9ad 100644 --- a/core/src/main/scala/org/apache/spark/scheduler/local/LocalBackend.scala +++ b/core/src/main/scala/org/apache/spark/scheduler/local/LocalBackend.scala @@ -47,7 +47,8 @@ private[spark] class LocalActor( private val localExecutorId = "localhost" private val localExecutorHostname = "localhost" - val executor = new Executor(localExecutorId, localExecutorHostname, Seq.empty, isLocal = true) + val executor = new Executor( + localExecutorId, localExecutorHostname, scheduler.conf.getAll, isLocal = true) def receive = { case ReviveOffers => diff --git a/core/src/main/scala/org/apache/spark/serializer/JavaSerializer.scala b/core/src/main/scala/org/apache/spark/serializer/JavaSerializer.scala index 4de81617b1..5d3d43623d 100644 --- a/core/src/main/scala/org/apache/spark/serializer/JavaSerializer.scala +++ b/core/src/main/scala/org/apache/spark/serializer/JavaSerializer.scala @@ -21,6 +21,7 @@ import java.io._ import java.nio.ByteBuffer import org.apache.spark.util.ByteBufferInputStream +import org.apache.spark.SparkConf private[spark] class JavaSerializationStream(out: OutputStream) extends SerializationStream { val objOut = new ObjectOutputStream(out) @@ -77,6 +78,6 @@ private[spark] class JavaSerializerInstance extends SerializerInstance { /** * A Spark serializer that uses Java's built-in serialization. */ -class JavaSerializer extends Serializer { +class JavaSerializer(conf: SparkConf) extends Serializer { def newInstance(): SerializerInstance = new JavaSerializerInstance } diff --git a/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala b/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala index e748c2275d..a24a3b04b8 100644 --- a/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala +++ b/core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala @@ -25,18 +25,18 @@ import com.esotericsoftware.kryo.{KryoException, Kryo} import com.esotericsoftware.kryo.io.{Input => KryoInput, Output => KryoOutput} import com.twitter.chill.{EmptyScalaKryoInstantiator, AllScalaRegistrar} -import org.apache.spark.{SerializableWritable, Logging} +import org.apache.spark._ import org.apache.spark.broadcast.HttpBroadcast import org.apache.spark.scheduler.MapStatus import org.apache.spark.storage._ +import org.apache.spark.storage.{GetBlock, GotBlock, PutBlock} /** * A Spark serializer that uses the [[https://code.google.com/p/kryo/ Kryo serialization library]]. */ -class KryoSerializer extends org.apache.spark.serializer.Serializer with Logging { - +class KryoSerializer(conf: SparkConf) extends org.apache.spark.serializer.Serializer with Logging { private val bufferSize = { - System.getProperty("spark.kryoserializer.buffer.mb", "2").toInt * 1024 * 1024 + conf.get("spark.kryoserializer.buffer.mb", "2").toInt * 1024 * 1024 } def newKryoOutput() = new KryoOutput(bufferSize) @@ -48,7 +48,7 @@ class KryoSerializer extends org.apache.spark.serializer.Serializer with Logging // Allow disabling Kryo reference tracking if user knows their object graphs don't have loops. // Do this before we invoke the user registrator so the user registrator can override this. - kryo.setReferences(System.getProperty("spark.kryo.referenceTracking", "true").toBoolean) + kryo.setReferences(conf.get("spark.kryo.referenceTracking", "true").toBoolean) for (cls <- KryoSerializer.toRegister) kryo.register(cls) @@ -58,13 +58,13 @@ class KryoSerializer extends org.apache.spark.serializer.Serializer with Logging // Allow the user to register their own classes by setting spark.kryo.registrator try { - Option(System.getProperty("spark.kryo.registrator")).foreach { regCls => + for (regCls <- conf.getOption("spark.kryo.registrator")) { logDebug("Running user registrator: " + regCls) val reg = Class.forName(regCls, true, classLoader).newInstance().asInstanceOf[KryoRegistrator] reg.registerClasses(kryo) } } catch { - case _: Exception => println("Failed to register spark.kryo.registrator") + case e: Exception => logError("Failed to run spark.kryo.registrator", e) } // Register Chill's classes; we do this after our ranges and the user's own classes to let diff --git a/core/src/main/scala/org/apache/spark/serializer/Serializer.scala b/core/src/main/scala/org/apache/spark/serializer/Serializer.scala index 160cca4d6c..9a5e3cb77e 100644 --- a/core/src/main/scala/org/apache/spark/serializer/Serializer.scala +++ b/core/src/main/scala/org/apache/spark/serializer/Serializer.scala @@ -29,6 +29,9 @@ import org.apache.spark.util.{NextIterator, ByteBufferInputStream} * A serializer. Because some serialization libraries are not thread safe, this class is used to * create [[org.apache.spark.serializer.SerializerInstance]] objects that do the actual serialization and are * guaranteed to only be called from one thread at a time. + * + * Implementations of this trait should have a zero-arg constructor or a constructor that accepts a + * [[org.apache.spark.SparkConf]] as parameter. If both constructors are defined, the latter takes precedence. */ trait Serializer { def newInstance(): SerializerInstance diff --git a/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala b/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala index 2955986fec..36a37af4f8 100644 --- a/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala +++ b/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala @@ -18,6 +18,7 @@ package org.apache.spark.serializer import java.util.concurrent.ConcurrentHashMap +import org.apache.spark.SparkConf /** @@ -26,18 +27,19 @@ import java.util.concurrent.ConcurrentHashMap * creating a new one. */ private[spark] class SerializerManager { + // TODO: Consider moving this into SparkConf itself to remove the global singleton. private val serializers = new ConcurrentHashMap[String, Serializer] private var _default: Serializer = _ def default = _default - def setDefault(clsName: String): Serializer = { - _default = get(clsName) + def setDefault(clsName: String, conf: SparkConf): Serializer = { + _default = get(clsName, conf) _default } - def get(clsName: String): Serializer = { + def get(clsName: String, conf: SparkConf): Serializer = { if (clsName == null) { default } else { @@ -51,8 +53,19 @@ private[spark] class SerializerManager { serializer = serializers.get(clsName) if (serializer == null) { val clsLoader = Thread.currentThread.getContextClassLoader - serializer = - Class.forName(clsName, true, clsLoader).newInstance().asInstanceOf[Serializer] + val cls = Class.forName(clsName, true, clsLoader) + + // First try with the constructor that takes SparkConf. If we can't find one, + // use a no-arg constructor instead. + try { + val constructor = cls.getConstructor(classOf[SparkConf]) + serializer = constructor.newInstance(conf).asInstanceOf[Serializer] + } catch { + case _: NoSuchMethodException => + val constructor = cls.getConstructor() + serializer = constructor.newInstance().asInstanceOf[Serializer] + } + serializers.put(clsName, serializer) } serializer diff --git a/core/src/main/scala/org/apache/spark/storage/BlockFetcherIterator.scala b/core/src/main/scala/org/apache/spark/storage/BlockFetcherIterator.scala index e51c5b30a3..47478631a1 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockFetcherIterator.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockFetcherIterator.scala @@ -312,7 +312,7 @@ object BlockFetcherIterator { logDebug("Sending request for %d blocks (%s) from %s".format( req.blocks.size, Utils.bytesToString(req.size), req.address.host)) val cmId = new ConnectionManagerId(req.address.host, req.address.nettyPort) - val cpier = new ShuffleCopier + val cpier = new ShuffleCopier(blockManager.conf) cpier.getBlocks(cmId, req.blocks, putResult) logDebug("Sent request for remote blocks " + req.blocks + " from " + req.address.host ) } @@ -327,7 +327,7 @@ object BlockFetcherIterator { fetchRequestsSync.put(request) } - copiers = startCopiers(System.getProperty("spark.shuffle.copier.threads", "6").toInt) + copiers = startCopiers(conf.get("spark.shuffle.copier.threads", "6").toInt) logInfo("Started " + fetchRequestsSync.size + " remote gets in " + Utils.getUsedTimeMs(startTime)) diff --git a/core/src/main/scala/org/apache/spark/storage/BlockManager.scala b/core/src/main/scala/org/apache/spark/storage/BlockManager.scala index 19a025a329..6d2cda97b0 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockManager.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockManager.scala @@ -30,7 +30,7 @@ import scala.concurrent.duration._ import it.unimi.dsi.fastutil.io.{FastBufferedOutputStream, FastByteArrayOutputStream} -import org.apache.spark.{Logging, SparkEnv, SparkException} +import org.apache.spark.{SparkConf, Logging, SparkEnv, SparkException} import org.apache.spark.io.CompressionCodec import org.apache.spark.network._ import org.apache.spark.serializer.Serializer @@ -43,12 +43,13 @@ private[spark] class BlockManager( actorSystem: ActorSystem, val master: BlockManagerMaster, val defaultSerializer: Serializer, - maxMemory: Long) + maxMemory: Long, + val conf: SparkConf) extends Logging { val shuffleBlockManager = new ShuffleBlockManager(this) val diskBlockManager = new DiskBlockManager(shuffleBlockManager, - System.getProperty("spark.local.dir", System.getProperty("java.io.tmpdir"))) + conf.get("spark.local.dir", System.getProperty("java.io.tmpdir"))) private val blockInfo = new TimeStampedHashMap[BlockId, BlockInfo] @@ -57,12 +58,12 @@ private[spark] class BlockManager( // If we use Netty for shuffle, start a new Netty-based shuffle sender service. private val nettyPort: Int = { - val useNetty = System.getProperty("spark.shuffle.use.netty", "false").toBoolean - val nettyPortConfig = System.getProperty("spark.shuffle.sender.port", "0").toInt + val useNetty = conf.get("spark.shuffle.use.netty", "false").toBoolean + val nettyPortConfig = conf.get("spark.shuffle.sender.port", "0").toInt if (useNetty) diskBlockManager.startShuffleBlockSender(nettyPortConfig) else 0 } - val connectionManager = new ConnectionManager(0) + val connectionManager = new ConnectionManager(0, conf) implicit val futureExecContext = connectionManager.futureExecContext val blockManagerId = BlockManagerId( @@ -71,18 +72,18 @@ private[spark] class BlockManager( // Max megabytes of data to keep in flight per reducer (to avoid over-allocating memory // for receiving shuffle outputs) val maxBytesInFlight = - System.getProperty("spark.reducer.maxMbInFlight", "48").toLong * 1024 * 1024 + conf.get("spark.reducer.maxMbInFlight", "48").toLong * 1024 * 1024 // Whether to compress broadcast variables that are stored - val compressBroadcast = System.getProperty("spark.broadcast.compress", "true").toBoolean + val compressBroadcast = conf.get("spark.broadcast.compress", "true").toBoolean // Whether to compress shuffle output that are stored - val compressShuffle = System.getProperty("spark.shuffle.compress", "true").toBoolean + val compressShuffle = conf.get("spark.shuffle.compress", "true").toBoolean // Whether to compress RDD partitions that are stored serialized - val compressRdds = System.getProperty("spark.rdd.compress", "false").toBoolean + val compressRdds = conf.get("spark.rdd.compress", "false").toBoolean - val heartBeatFrequency = BlockManager.getHeartBeatFrequencyFromSystemProperties + val heartBeatFrequency = BlockManager.getHeartBeatFrequency(conf) - val hostPort = Utils.localHostPort() + val hostPort = Utils.localHostPort(conf) val slaveActor = actorSystem.actorOf(Props(new BlockManagerSlaveActor(this)), name = "BlockManagerActor" + BlockManager.ID_GENERATOR.next) @@ -100,8 +101,11 @@ private[spark] class BlockManager( var heartBeatTask: Cancellable = null - private val metadataCleaner = new MetadataCleaner(MetadataCleanerType.BLOCK_MANAGER, this.dropOldNonBroadcastBlocks) - private val broadcastCleaner = new MetadataCleaner(MetadataCleanerType.BROADCAST_VARS, this.dropOldBroadcastBlocks) + private val metadataCleaner = new MetadataCleaner( + MetadataCleanerType.BLOCK_MANAGER, this.dropOldNonBroadcastBlocks, conf) + private val broadcastCleaner = new MetadataCleaner( + MetadataCleanerType.BROADCAST_VARS, this.dropOldBroadcastBlocks, conf) + initialize() // The compression codec to use. Note that the "lazy" val is necessary because we want to delay @@ -109,14 +113,14 @@ private[spark] class BlockManager( // program could be using a user-defined codec in a third party jar, which is loaded in // Executor.updateDependencies. When the BlockManager is initialized, user level jars hasn't been // loaded yet. - private lazy val compressionCodec: CompressionCodec = CompressionCodec.createCodec() + private lazy val compressionCodec: CompressionCodec = CompressionCodec.createCodec(conf) /** * Construct a BlockManager with a memory limit set based on system properties. */ def this(execId: String, actorSystem: ActorSystem, master: BlockManagerMaster, - serializer: Serializer) = { - this(execId, actorSystem, master, serializer, BlockManager.getMaxMemoryFromSystemProperties) + serializer: Serializer, conf: SparkConf) = { + this(execId, actorSystem, master, serializer, BlockManager.getMaxMemory(conf), conf) } /** @@ -126,7 +130,7 @@ private[spark] class BlockManager( private def initialize() { master.registerBlockManager(blockManagerId, maxMemory, slaveActor) BlockManagerWorker.startBlockManagerWorker(this) - if (!BlockManager.getDisableHeartBeatsForTesting) { + if (!BlockManager.getDisableHeartBeatsForTesting(conf)) { heartBeatTask = actorSystem.scheduler.schedule(0.seconds, heartBeatFrequency.milliseconds) { heartBeat() } @@ -439,7 +443,7 @@ private[spark] class BlockManager( : BlockFetcherIterator = { val iter = - if (System.getProperty("spark.shuffle.use.netty", "false").toBoolean) { + if (conf.get("spark.shuffle.use.netty", "false").toBoolean) { new BlockFetcherIterator.NettyBlockFetcherIterator(this, blocksByAddress, serializer) } else { new BlockFetcherIterator.BasicBlockFetcherIterator(this, blocksByAddress, serializer) @@ -465,7 +469,8 @@ private[spark] class BlockManager( def getDiskWriter(blockId: BlockId, file: File, serializer: Serializer, bufferSize: Int) : BlockObjectWriter = { val compressStream: OutputStream => OutputStream = wrapForCompression(blockId, _) - new DiskBlockObjectWriter(blockId, file, serializer, bufferSize, compressStream) + val syncWrites = conf.get("spark.shuffle.sync", "false").toBoolean + new DiskBlockObjectWriter(blockId, file, serializer, bufferSize, compressStream, syncWrites) } /** @@ -856,19 +861,18 @@ private[spark] class BlockManager( private[spark] object BlockManager extends Logging { - val ID_GENERATOR = new IdGenerator - def getMaxMemoryFromSystemProperties: Long = { - val memoryFraction = System.getProperty("spark.storage.memoryFraction", "0.66").toDouble + def getMaxMemory(conf: SparkConf): Long = { + val memoryFraction = conf.get("spark.storage.memoryFraction", "0.66").toDouble (Runtime.getRuntime.maxMemory * memoryFraction).toLong } - def getHeartBeatFrequencyFromSystemProperties: Long = - System.getProperty("spark.storage.blockManagerTimeoutIntervalMs", "60000").toLong / 4 + def getHeartBeatFrequency(conf: SparkConf): Long = + conf.get("spark.storage.blockManagerTimeoutIntervalMs", "60000").toLong / 4 - def getDisableHeartBeatsForTesting: Boolean = - System.getProperty("spark.test.disableBlockManagerHeartBeat", "false").toBoolean + def getDisableHeartBeatsForTesting(conf: SparkConf): Boolean = + conf.get("spark.test.disableBlockManagerHeartBeat", "false").toBoolean /** * Attempt to clean up a ByteBuffer if it is memory-mapped. This uses an *unsafe* Sun API that diff --git a/core/src/main/scala/org/apache/spark/storage/BlockManagerMaster.scala b/core/src/main/scala/org/apache/spark/storage/BlockManagerMaster.scala index e1d68ef592..b5afe8cd23 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockManagerMaster.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockManagerMaster.scala @@ -23,19 +23,20 @@ import scala.concurrent.ExecutionContext.Implicits.global import akka.actor._ import akka.pattern.ask -import org.apache.spark.{Logging, SparkException} +import org.apache.spark.{SparkConf, Logging, SparkException} import org.apache.spark.storage.BlockManagerMessages._ import org.apache.spark.util.AkkaUtils private[spark] -class BlockManagerMaster(var driverActor : Either[ActorRef, ActorSelection]) extends Logging { +class BlockManagerMaster(var driverActor : Either[ActorRef, ActorSelection], + conf: SparkConf) extends Logging { - val AKKA_RETRY_ATTEMPTS: Int = System.getProperty("spark.akka.num.retries", "3").toInt - val AKKA_RETRY_INTERVAL_MS: Int = System.getProperty("spark.akka.retry.wait", "3000").toInt + val AKKA_RETRY_ATTEMPTS: Int = conf.get("spark.akka.num.retries", "3").toInt + val AKKA_RETRY_INTERVAL_MS: Int = conf.get("spark.akka.retry.wait", "3000").toInt val DRIVER_AKKA_ACTOR_NAME = "BlockManagerMaster" - val timeout = AkkaUtils.askTimeout + val timeout = AkkaUtils.askTimeout(conf) /** Remove a dead executor from the driver actor. This is only called on the driver side. */ def removeExecutor(execId: String) { diff --git a/core/src/main/scala/org/apache/spark/storage/BlockManagerMasterActor.scala b/core/src/main/scala/org/apache/spark/storage/BlockManagerMasterActor.scala index 21022e1cfb..58452d9657 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockManagerMasterActor.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockManagerMasterActor.scala @@ -27,7 +27,7 @@ import scala.concurrent.duration._ import akka.actor.{Actor, ActorRef, Cancellable} import akka.pattern.ask -import org.apache.spark.{Logging, SparkException} +import org.apache.spark.{SparkConf, Logging, SparkException} import org.apache.spark.storage.BlockManagerMessages._ import org.apache.spark.util.{AkkaUtils, Utils} @@ -36,7 +36,7 @@ import org.apache.spark.util.{AkkaUtils, Utils} * all slaves' block managers. */ private[spark] -class BlockManagerMasterActor(val isLocal: Boolean) extends Actor with Logging { +class BlockManagerMasterActor(val isLocal: Boolean, conf: SparkConf) extends Actor with Logging { // Mapping from block manager id to the block manager's information. private val blockManagerInfo = @@ -48,20 +48,18 @@ class BlockManagerMasterActor(val isLocal: Boolean) extends Actor with Logging { // Mapping from block id to the set of block managers that have the block. private val blockLocations = new JHashMap[BlockId, mutable.HashSet[BlockManagerId]] - private val akkaTimeout = AkkaUtils.askTimeout + private val akkaTimeout = AkkaUtils.askTimeout(conf) - initLogging() + val slaveTimeout = conf.get("spark.storage.blockManagerSlaveTimeoutMs", + "" + (BlockManager.getHeartBeatFrequency(conf) * 3)).toLong - val slaveTimeout = System.getProperty("spark.storage.blockManagerSlaveTimeoutMs", - "" + (BlockManager.getHeartBeatFrequencyFromSystemProperties * 3)).toLong - - val checkTimeoutInterval = System.getProperty("spark.storage.blockManagerTimeoutIntervalMs", + val checkTimeoutInterval = conf.get("spark.storage.blockManagerTimeoutIntervalMs", "60000").toLong var timeoutCheckingTask: Cancellable = null override def preStart() { - if (!BlockManager.getDisableHeartBeatsForTesting) { + if (!BlockManager.getDisableHeartBeatsForTesting(conf)) { import context.dispatcher timeoutCheckingTask = context.system.scheduler.schedule( 0.seconds, checkTimeoutInterval.milliseconds, self, ExpireDeadHosts) diff --git a/core/src/main/scala/org/apache/spark/storage/BlockManagerWorker.scala b/core/src/main/scala/org/apache/spark/storage/BlockManagerWorker.scala index 0c66addf9d..21f003609b 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockManagerWorker.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockManagerWorker.scala @@ -30,7 +30,6 @@ import org.apache.spark.util.Utils * TODO: Use event model. */ private[spark] class BlockManagerWorker(val blockManager: BlockManager) extends Logging { - initLogging() blockManager.connectionManager.onReceiveMessage(onBlockMessageReceive) @@ -101,8 +100,6 @@ private[spark] class BlockManagerWorker(val blockManager: BlockManager) extends private[spark] object BlockManagerWorker extends Logging { private var blockManagerWorker: BlockManagerWorker = null - initLogging() - def startBlockManagerWorker(manager: BlockManager) { blockManagerWorker = new BlockManagerWorker(manager) } diff --git a/core/src/main/scala/org/apache/spark/storage/BlockMessageArray.scala b/core/src/main/scala/org/apache/spark/storage/BlockMessageArray.scala index 6ce9127c74..a06f50a0ac 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockMessageArray.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockMessageArray.scala @@ -37,8 +37,6 @@ class BlockMessageArray(var blockMessages: Seq[BlockMessage]) extends Seq[BlockM def length = blockMessages.length - initLogging() - def set(bufferMessage: BufferMessage) { val startTime = System.currentTimeMillis val newBlockMessages = new ArrayBuffer[BlockMessage]() diff --git a/core/src/main/scala/org/apache/spark/storage/BlockObjectWriter.scala b/core/src/main/scala/org/apache/spark/storage/BlockObjectWriter.scala index b4451fc7b8..61e63c60d5 100644 --- a/core/src/main/scala/org/apache/spark/storage/BlockObjectWriter.scala +++ b/core/src/main/scala/org/apache/spark/storage/BlockObjectWriter.scala @@ -74,7 +74,8 @@ class DiskBlockObjectWriter( file: File, serializer: Serializer, bufferSize: Int, - compressStream: OutputStream => OutputStream) + compressStream: OutputStream => OutputStream, + syncWrites: Boolean) extends BlockObjectWriter(blockId) with Logging { @@ -97,8 +98,6 @@ class DiskBlockObjectWriter( override def flush() = out.flush() } - private val syncWrites = System.getProperty("spark.shuffle.sync", "false").toBoolean - /** The file channel, used for repositioning / truncating the file. */ private var channel: FileChannel = null private var bs: OutputStream = null diff --git a/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala b/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala index fcd2e97982..55dcb3742c 100644 --- a/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala +++ b/core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala @@ -38,7 +38,7 @@ private[spark] class DiskBlockManager(shuffleManager: ShuffleBlockManager, rootD extends PathResolver with Logging { private val MAX_DIR_CREATION_ATTEMPTS: Int = 10 - private val subDirsPerLocalDir = System.getProperty("spark.diskStore.subDirectories", "64").toInt + private val subDirsPerLocalDir = shuffleManager.conf.get("spark.diskStore.subDirectories", "64").toInt // Create one local directory for each path mentioned in spark.local.dir; then, inside this // directory, create multiple subdirectories that we will hash files into, in order to avoid diff --git a/core/src/main/scala/org/apache/spark/storage/ShuffleBlockManager.scala b/core/src/main/scala/org/apache/spark/storage/ShuffleBlockManager.scala index 212ef6506f..39dc7bb19a 100644 --- a/core/src/main/scala/org/apache/spark/storage/ShuffleBlockManager.scala +++ b/core/src/main/scala/org/apache/spark/storage/ShuffleBlockManager.scala @@ -59,12 +59,14 @@ private[spark] trait ShuffleWriterGroup { */ private[spark] class ShuffleBlockManager(blockManager: BlockManager) { + def conf = blockManager.conf + // Turning off shuffle file consolidation causes all shuffle Blocks to get their own file. // TODO: Remove this once the shuffle file consolidation feature is stable. val consolidateShuffleFiles = - System.getProperty("spark.shuffle.consolidateFiles", "false").toBoolean + conf.get("spark.shuffle.consolidateFiles", "false").toBoolean - private val bufferSize = System.getProperty("spark.shuffle.file.buffer.kb", "100").toInt * 1024 + private val bufferSize = conf.get("spark.shuffle.file.buffer.kb", "100").toInt * 1024 /** * Contains all the state related to a particular shuffle. This includes a pool of unused @@ -85,8 +87,8 @@ class ShuffleBlockManager(blockManager: BlockManager) { type ShuffleId = Int private val shuffleStates = new TimeStampedHashMap[ShuffleId, ShuffleState] - private - val metadataCleaner = new MetadataCleaner(MetadataCleanerType.SHUFFLE_BLOCK_MANAGER, this.cleanup) + private val metadataCleaner = + new MetadataCleaner(MetadataCleanerType.SHUFFLE_BLOCK_MANAGER, this.cleanup, conf) def forMapTask(shuffleId: Int, mapId: Int, numBuckets: Int, serializer: Serializer) = { new ShuffleWriterGroup { diff --git a/core/src/main/scala/org/apache/spark/storage/StoragePerfTester.scala b/core/src/main/scala/org/apache/spark/storage/StoragePerfTester.scala index d52b3d8284..40734aab49 100644 --- a/core/src/main/scala/org/apache/spark/storage/StoragePerfTester.scala +++ b/core/src/main/scala/org/apache/spark/storage/StoragePerfTester.scala @@ -56,7 +56,7 @@ object StoragePerfTester { def writeOutputBytes(mapId: Int, total: AtomicLong) = { val shuffle = blockManager.shuffleBlockManager.forMapTask(1, mapId, numOutputSplits, - new KryoSerializer()) + new KryoSerializer(sc.conf)) val writers = shuffle.writers for (i <- 1 to recordsPerMap) { writers(i % numOutputSplits).write(writeData) diff --git a/core/src/main/scala/org/apache/spark/storage/ThreadingTest.scala b/core/src/main/scala/org/apache/spark/storage/ThreadingTest.scala index a8db37ded1..dca98c6c05 100644 --- a/core/src/main/scala/org/apache/spark/storage/ThreadingTest.scala +++ b/core/src/main/scala/org/apache/spark/storage/ThreadingTest.scala @@ -22,6 +22,7 @@ import akka.actor._ import java.util.concurrent.ArrayBlockingQueue import util.Random import org.apache.spark.serializer.KryoSerializer +import org.apache.spark.{SparkConf, SparkContext} /** * This class tests the BlockManager and MemoryStore for thread safety and @@ -91,11 +92,12 @@ private[spark] object ThreadingTest { def main(args: Array[String]) { System.setProperty("spark.kryoserializer.buffer.mb", "1") val actorSystem = ActorSystem("test") - val serializer = new KryoSerializer + val conf = new SparkConf() + val serializer = new KryoSerializer(conf) val blockManagerMaster = new BlockManagerMaster( - Left(actorSystem.actorOf(Props(new BlockManagerMasterActor(true))))) + Left(actorSystem.actorOf(Props(new BlockManagerMasterActor(true, conf)))), conf) val blockManager = new BlockManager( - "<driver>", actorSystem, blockManagerMaster, serializer, 1024 * 1024) + "<driver>", actorSystem, blockManagerMaster, serializer, 1024 * 1024, conf) val producers = (1 to numProducers).map(i => new ProducerThread(blockManager, i)) val consumers = producers.map(p => new ConsumerThread(blockManager, p.queue)) producers.foreach(_.start) diff --git a/core/src/main/scala/org/apache/spark/ui/SparkUI.scala b/core/src/main/scala/org/apache/spark/ui/SparkUI.scala index f1d86c0221..50dfdbdf5a 100644 --- a/core/src/main/scala/org/apache/spark/ui/SparkUI.scala +++ b/core/src/main/scala/org/apache/spark/ui/SparkUI.scala @@ -1,4 +1,4 @@ -/* +/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. @@ -32,7 +32,7 @@ import org.apache.spark.util.Utils /** Top level user interface for Spark */ private[spark] class SparkUI(sc: SparkContext) extends Logging { val host = Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(Utils.localHostName()) - val port = Option(System.getProperty("spark.ui.port")).getOrElse(SparkUI.DEFAULT_PORT).toInt + val port = sc.conf.get("spark.ui.port", SparkUI.DEFAULT_PORT).toInt var boundPort: Option[Int] = None var server: Option[Server] = None diff --git a/core/src/main/scala/org/apache/spark/ui/UIWorkloadGenerator.scala b/core/src/main/scala/org/apache/spark/ui/UIWorkloadGenerator.scala index fcd1b518d0..6ba15187d9 100644 --- a/core/src/main/scala/org/apache/spark/ui/UIWorkloadGenerator.scala +++ b/core/src/main/scala/org/apache/spark/ui/UIWorkloadGenerator.scala @@ -19,7 +19,7 @@ package org.apache.spark.ui import scala.util.Random -import org.apache.spark.SparkContext +import org.apache.spark.{SparkConf, SparkContext} import org.apache.spark.SparkContext._ import org.apache.spark.scheduler.SchedulingMode @@ -27,25 +27,26 @@ import org.apache.spark.scheduler.SchedulingMode /** * Continuously generates jobs that expose various features of the WebUI (internal testing tool). * - * Usage: ./run spark.ui.UIWorkloadGenerator [master] + * Usage: ./bin/spark-class org.apache.spark.ui.UIWorkloadGenerator [master] [FIFO|FAIR] */ private[spark] object UIWorkloadGenerator { + val NUM_PARTITIONS = 100 val INTER_JOB_WAIT_MS = 5000 def main(args: Array[String]) { if (args.length < 2) { - println("usage: ./spark-class org.apache.spark.ui.UIWorkloadGenerator [master] [FIFO|FAIR]") + println("usage: ./bin/spark-class org.apache.spark.ui.UIWorkloadGenerator [master] [FIFO|FAIR]") System.exit(1) } - val master = args(0) - val schedulingMode = SchedulingMode.withName(args(1)) - val appName = "Spark UI Tester" + val conf = new SparkConf().setMaster(args(0)).setAppName("Spark UI tester") + + val schedulingMode = SchedulingMode.withName(args(1)) if (schedulingMode == SchedulingMode.FAIR) { - System.setProperty("spark.scheduler.mode", "FAIR") + conf.set("spark.scheduler.mode", "FAIR") } - val sc = new SparkContext(master, appName) + val sc = new SparkContext(conf) def setProperties(s: String) = { if(schedulingMode == SchedulingMode.FAIR) { @@ -55,11 +56,11 @@ private[spark] object UIWorkloadGenerator { } val baseData = sc.makeRDD(1 to NUM_PARTITIONS * 10, NUM_PARTITIONS) - def nextFloat() = (new Random()).nextFloat() + def nextFloat() = new Random().nextFloat() val jobs = Seq[(String, () => Long)]( ("Count", baseData.count), - ("Cache and Count", baseData.map(x => x).cache.count), + ("Cache and Count", baseData.map(x => x).cache().count), ("Single Shuffle", baseData.map(x => (x % 10, x)).reduceByKey(_ + _).count), ("Entirely failed phase", baseData.map(x => throw new Exception).count), ("Partially failed phase", { diff --git a/core/src/main/scala/org/apache/spark/ui/env/EnvironmentUI.scala b/core/src/main/scala/org/apache/spark/ui/env/EnvironmentUI.scala index c5bf2acc9e..88f41be8d3 100644 --- a/core/src/main/scala/org/apache/spark/ui/env/EnvironmentUI.scala +++ b/core/src/main/scala/org/apache/spark/ui/env/EnvironmentUI.scala @@ -48,12 +48,15 @@ private[spark] class EnvironmentUI(sc: SparkContext) { def jvmTable = UIUtils.listingTable(Seq("Name", "Value"), jvmRow, jvmInformation, fixedWidth = true) - val properties = System.getProperties.iterator.toSeq - val classPathProperty = properties.find { case (k, v) => - k.contains("java.class.path") + val sparkProperties = sc.conf.getAll.sorted + + val systemProperties = System.getProperties.iterator.toSeq + val classPathProperty = systemProperties.find { case (k, v) => + k == "java.class.path" }.getOrElse(("", "")) - val sparkProperties = properties.filter(_._1.startsWith("spark")).sorted - val otherProperties = properties.diff(sparkProperties :+ classPathProperty).sorted + val otherProperties = systemProperties.filter { case (k, v) => + k != "java.class.path" && !k.startsWith("spark.") + }.sorted val propertyHeaders = Seq("Name", "Value") def propertyRow(kv: (String, String)) = <tr><td>{kv._1}</td><td>{kv._2}</td></tr> @@ -63,7 +66,7 @@ private[spark] class EnvironmentUI(sc: SparkContext) { UIUtils.listingTable(propertyHeaders, propertyRow, otherProperties, fixedWidth = true) val classPathEntries = classPathProperty._2 - .split(System.getProperty("path.separator", ":")) + .split(sc.conf.get("path.separator", ":")) .filterNot(e => e.isEmpty) .map(e => (e, "System Classpath")) val addedJars = sc.addedJars.iterator.toSeq.map{case (path, time) => (path, "Added By User")} diff --git a/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala b/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala index 07a42f0503..b7b87250b9 100644 --- a/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala +++ b/core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala @@ -33,7 +33,7 @@ import org.apache.spark.scheduler._ */ private[spark] class JobProgressListener(val sc: SparkContext) extends SparkListener { // How many stages to remember - val RETAINED_STAGES = System.getProperty("spark.ui.retained_stages", "1000").toInt + val RETAINED_STAGES = sc.conf.get("spark.ui.retained_stages", "1000").toInt val DEFAULT_POOL_NAME = "default" val stageIdToPool = new HashMap[Int, String]() @@ -61,7 +61,7 @@ private[spark] class JobProgressListener(val sc: SparkContext) extends SparkList override def onJobStart(jobStart: SparkListenerJobStart) {} - override def onStageCompleted(stageCompleted: StageCompleted) = synchronized { + override def onStageCompleted(stageCompleted: SparkListenerStageCompleted) = synchronized { val stage = stageCompleted.stage poolToActiveStages(stageIdToPool(stage.stageId)) -= stage activeStages -= stage @@ -106,7 +106,7 @@ private[spark] class JobProgressListener(val sc: SparkContext) extends SparkList val stages = poolToActiveStages.getOrElseUpdate(poolName, new HashSet[StageInfo]()) stages += stage } - + override def onTaskStart(taskStart: SparkListenerTaskStart) = synchronized { val sid = taskStart.task.stageId val tasksActive = stageIdToTasksActive.getOrElseUpdate(sid, new HashSet[TaskInfo]()) @@ -146,12 +146,9 @@ private[spark] class JobProgressListener(val sc: SparkContext) extends SparkList // update duration y.taskTime += taskEnd.taskInfo.duration - taskEnd.taskMetrics.shuffleReadMetrics.foreach { shuffleRead => - y.shuffleRead += shuffleRead.remoteBytesRead - } - - taskEnd.taskMetrics.shuffleWriteMetrics.foreach { shuffleWrite => - y.shuffleWrite += shuffleWrite.shuffleBytesWritten + Option(taskEnd.taskMetrics).foreach { taskMetrics => + taskMetrics.shuffleReadMetrics.foreach { y.shuffleRead += _.remoteBytesRead } + taskMetrics.shuffleWriteMetrics.foreach { y.shuffleWrite += _.shuffleBytesWritten } } } case _ => {} diff --git a/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala b/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala index 1c8b51b8bc..7df7e3d8e5 100644 --- a/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala +++ b/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala @@ -21,6 +21,9 @@ import scala.concurrent.duration.{Duration, FiniteDuration} import akka.actor.{ActorSystem, ExtendedActorSystem, IndestructibleActorSystem} import com.typesafe.config.ConfigFactory +import org.apache.log4j.{Level, Logger} + +import org.apache.spark.SparkConf /** * Various utility classes for working with Akka. @@ -37,22 +40,29 @@ private[spark] object AkkaUtils { * If indestructible is set to true, the Actor System will continue running in the event * of a fatal exception. This is used by [[org.apache.spark.executor.Executor]]. */ - def createActorSystem(name: String, host: String, port: Int, indestructible: Boolean = false) - : (ActorSystem, Int) = { + def createActorSystem(name: String, host: String, port: Int, indestructible: Boolean = false, + conf: SparkConf): (ActorSystem, Int) = { + + val akkaThreads = conf.get("spark.akka.threads", "4").toInt + val akkaBatchSize = conf.get("spark.akka.batchSize", "15").toInt - val akkaThreads = System.getProperty("spark.akka.threads", "4").toInt - val akkaBatchSize = System.getProperty("spark.akka.batchSize", "15").toInt + val akkaTimeout = conf.get("spark.akka.timeout", "100").toInt - val akkaTimeout = System.getProperty("spark.akka.timeout", "100").toInt + val akkaFrameSize = conf.get("spark.akka.frameSize", "10").toInt + val akkaLogLifecycleEvents = conf.get("spark.akka.logLifecycleEvents", "false").toBoolean + val lifecycleEvents = if (akkaLogLifecycleEvents) "on" else "off" + if (!akkaLogLifecycleEvents) { + // As a workaround for Akka issue #3787, we coerce the "EndpointWriter" log to be silent. + // See: https://www.assembla.com/spaces/akka/tickets/3787#/ + Option(Logger.getLogger("akka.remote.EndpointWriter")).map(l => l.setLevel(Level.FATAL)) + } - val akkaFrameSize = System.getProperty("spark.akka.frameSize", "10").toInt - val lifecycleEvents = - if (System.getProperty("spark.akka.logLifecycleEvents", "false").toBoolean) "on" else "off" + val logAkkaConfig = if (conf.get("spark.akka.logAkkaConfig", "false").toBoolean) "on" else "off" - val akkaHeartBeatPauses = System.getProperty("spark.akka.heartbeat.pauses", "600").toInt + val akkaHeartBeatPauses = conf.get("spark.akka.heartbeat.pauses", "600").toInt val akkaFailureDetector = - System.getProperty("spark.akka.failure-detector.threshold", "300.0").toDouble - val akkaHeartBeatInterval = System.getProperty("spark.akka.heartbeat.interval", "1000").toInt + conf.get("spark.akka.failure-detector.threshold", "300.0").toDouble + val akkaHeartBeatInterval = conf.get("spark.akka.heartbeat.interval", "1000").toInt val akkaConf = ConfigFactory.parseString( s""" @@ -72,7 +82,10 @@ private[spark] object AkkaUtils { |akka.remote.netty.tcp.maximum-frame-size = ${akkaFrameSize}MiB |akka.remote.netty.tcp.execution-pool-size = $akkaThreads |akka.actor.default-dispatcher.throughput = $akkaBatchSize + |akka.log-config-on-start = $logAkkaConfig |akka.remote.log-remote-lifecycle-events = $lifecycleEvents + |akka.log-dead-letters = $lifecycleEvents + |akka.log-dead-letters-during-shutdown = $lifecycleEvents """.stripMargin) val actorSystem = if (indestructible) { @@ -87,7 +100,7 @@ private[spark] object AkkaUtils { } /** Returns the default Spark timeout to use for Akka ask operations. */ - def askTimeout: FiniteDuration = { - Duration.create(System.getProperty("spark.akka.askTimeout", "30").toLong, "seconds") + def askTimeout(conf: SparkConf): FiniteDuration = { + Duration.create(conf.get("spark.akka.askTimeout", "30").toLong, "seconds") } } diff --git a/core/src/main/scala/org/apache/spark/util/MetadataCleaner.scala b/core/src/main/scala/org/apache/spark/util/MetadataCleaner.scala index fe56960cbf..aa7f52cafb 100644 --- a/core/src/main/scala/org/apache/spark/util/MetadataCleaner.scala +++ b/core/src/main/scala/org/apache/spark/util/MetadataCleaner.scala @@ -18,16 +18,21 @@ package org.apache.spark.util import java.util.{TimerTask, Timer} -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, SparkContext, Logging} /** * Runs a timer task to periodically clean up metadata (e.g. old files or hashtable entries) */ -class MetadataCleaner(cleanerType: MetadataCleanerType.MetadataCleanerType, cleanupFunc: (Long) => Unit) extends Logging { +class MetadataCleaner( + cleanerType: MetadataCleanerType.MetadataCleanerType, + cleanupFunc: (Long) => Unit, + conf: SparkConf) + extends Logging +{ val name = cleanerType.toString - private val delaySeconds = MetadataCleaner.getDelaySeconds(cleanerType) + private val delaySeconds = MetadataCleaner.getDelaySeconds(conf, cleanerType) private val periodSeconds = math.max(10, delaySeconds / 10) private val timer = new Timer(name + " cleanup timer", true) @@ -65,22 +70,28 @@ object MetadataCleanerType extends Enumeration { def systemProperty(which: MetadataCleanerType.MetadataCleanerType) = "spark.cleaner.ttl." + which.toString } +// TODO: This mutates a Conf to set properties right now, which is kind of ugly when used in the +// initialization of StreamingContext. It's okay for users trying to configure stuff themselves. object MetadataCleaner { + def getDelaySeconds(conf: SparkConf) = { + conf.get("spark.cleaner.ttl", "3500").toInt + } - // using only sys props for now : so that workers can also get to it while preserving earlier behavior. - def getDelaySeconds = System.getProperty("spark.cleaner.ttl", "-1").toInt - - def getDelaySeconds(cleanerType: MetadataCleanerType.MetadataCleanerType): Int = { - System.getProperty(MetadataCleanerType.systemProperty(cleanerType), getDelaySeconds.toString).toInt + def getDelaySeconds(conf: SparkConf, cleanerType: MetadataCleanerType.MetadataCleanerType): Int = + { + conf.get(MetadataCleanerType.systemProperty(cleanerType), getDelaySeconds(conf).toString) + .toInt } - def setDelaySeconds(cleanerType: MetadataCleanerType.MetadataCleanerType, delay: Int) { - System.setProperty(MetadataCleanerType.systemProperty(cleanerType), delay.toString) + def setDelaySeconds(conf: SparkConf, cleanerType: MetadataCleanerType.MetadataCleanerType, + delay: Int) + { + conf.set(MetadataCleanerType.systemProperty(cleanerType), delay.toString) } - def setDelaySeconds(delay: Int, resetAll: Boolean = true) { + def setDelaySeconds(conf: SparkConf, delay: Int, resetAll: Boolean = true) { // override for all ? - System.setProperty("spark.cleaner.ttl", delay.toString) + conf.set("spark.cleaner.ttl", delay.toString) if (resetAll) { for (cleanerType <- MetadataCleanerType.values) { System.clearProperty(MetadataCleanerType.systemProperty(cleanerType)) diff --git a/core/src/main/scala/org/apache/spark/util/SerializableHyperLogLog.scala b/core/src/main/scala/org/apache/spark/util/SerializableHyperLogLog.scala new file mode 100644 index 0000000000..8b4e7c104c --- /dev/null +++ b/core/src/main/scala/org/apache/spark/util/SerializableHyperLogLog.scala @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.util + +import java.io.{Externalizable, ObjectOutput, ObjectInput} +import com.clearspring.analytics.stream.cardinality.{ICardinality, HyperLogLog} + +/** + * A wrapper around [[com.clearspring.analytics.stream.cardinality.HyperLogLog]] that is serializable. + */ +private[spark] +class SerializableHyperLogLog(var value: ICardinality) extends Externalizable { + + def this() = this(null) // For deserialization + + def merge(other: SerializableHyperLogLog) = new SerializableHyperLogLog(value.merge(other.value)) + + def add[T](elem: T) = { + this.value.offer(elem) + this + } + + def readExternal(in: ObjectInput) { + val byteLength = in.readInt() + val bytes = new Array[Byte](byteLength) + in.readFully(bytes) + value = HyperLogLog.Builder.build(bytes) + } + + def writeExternal(out: ObjectOutput) { + val bytes = value.getBytes() + out.writeInt(bytes.length) + out.write(bytes) + } +} diff --git a/core/src/main/scala/org/apache/spark/util/SizeEstimator.scala b/core/src/main/scala/org/apache/spark/util/SizeEstimator.scala index a25b37a2a9..bddb3bb735 100644 --- a/core/src/main/scala/org/apache/spark/util/SizeEstimator.scala +++ b/core/src/main/scala/org/apache/spark/util/SizeEstimator.scala @@ -30,10 +30,10 @@ import java.lang.management.ManagementFactory import scala.collection.mutable.ArrayBuffer import it.unimi.dsi.fastutil.ints.IntOpenHashSet -import org.apache.spark.Logging +import org.apache.spark.{SparkEnv, SparkConf, SparkContext, Logging} /** - * Estimates the sizes of Java objects (number of bytes of memory they occupy), for use in + * Estimates the sizes of Java objects (number of bytes of memory they occupy), for use in * memory-aware caches. * * Based on the following JavaWorld article: @@ -89,9 +89,11 @@ private[spark] object SizeEstimator extends Logging { classInfos.put(classOf[Object], new ClassInfo(objectSize, Nil)) } - private def getIsCompressedOops : Boolean = { + private def getIsCompressedOops: Boolean = { + // This is only used by tests to override the detection of compressed oops. The test + // actually uses a system property instead of a SparkConf, so we'll stick with that. if (System.getProperty("spark.test.useCompressedOops") != null) { - return System.getProperty("spark.test.useCompressedOops").toBoolean + return System.getProperty("spark.test.useCompressedOops").toBoolean } try { @@ -103,7 +105,7 @@ private[spark] object SizeEstimator extends Logging { val getVMMethod = hotSpotMBeanClass.getDeclaredMethod("getVMOption", Class.forName("java.lang.String")) - val bean = ManagementFactory.newPlatformMXBeanProxy(server, + val bean = ManagementFactory.newPlatformMXBeanProxy(server, hotSpotMBeanName, hotSpotMBeanClass) // TODO: We could use reflection on the VMOption returned ? return getVMMethod.invoke(bean, "UseCompressedOops").toString.contains("true") @@ -251,7 +253,7 @@ private[spark] object SizeEstimator extends Logging { if (info != null) { return info } - + val parent = getClassInfo(cls.getSuperclass) var shellSize = parent.shellSize var pointerFields = parent.pointerFields diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala index 3f7858d2de..5f1253100b 100644 --- a/core/src/main/scala/org/apache/spark/util/Utils.scala +++ b/core/src/main/scala/org/apache/spark/util/Utils.scala @@ -36,14 +36,13 @@ import org.apache.hadoop.fs.{Path, FileSystem, FileUtil} import org.apache.spark.serializer.{DeserializationStream, SerializationStream, SerializerInstance} import org.apache.spark.deploy.SparkHadoopUtil import java.nio.ByteBuffer -import org.apache.spark.{SparkException, Logging} +import org.apache.spark.{SparkConf, SparkContext, SparkException, Logging} /** * Various utility methods used by Spark. */ private[spark] object Utils extends Logging { - /** Serialize an object using Java serialization */ def serialize[T](o: T): Array[Byte] = { val bos = new ByteArrayOutputStream() @@ -239,9 +238,9 @@ private[spark] object Utils extends Logging { * Throws SparkException if the target file already exists and has different contents than * the requested file. */ - def fetchFile(url: String, targetDir: File) { + def fetchFile(url: String, targetDir: File, conf: SparkConf) { val filename = url.split("/").last - val tempDir = getLocalDir + val tempDir = getLocalDir(conf) val tempFile = File.createTempFile("fetchFileTemp", null, new File(tempDir)) val targetFile = new File(targetDir, filename) val uri = new URI(url) @@ -311,8 +310,8 @@ private[spark] object Utils extends Logging { * return a single directory, even though the spark.local.dir property might be a list of * multiple paths. */ - def getLocalDir: String = { - System.getProperty("spark.local.dir", System.getProperty("java.io.tmpdir")).split(',')(0) + def getLocalDir(conf: SparkConf): String = { + conf.get("spark.local.dir", System.getProperty("java.io.tmpdir")).split(',')(0) } /** @@ -397,13 +396,12 @@ private[spark] object Utils extends Logging { InetAddress.getByName(address).getHostName } - def localHostPort(): String = { - val retval = System.getProperty("spark.hostPort", null) + def localHostPort(conf: SparkConf): String = { + val retval = conf.get("spark.hostPort", null) if (retval == null) { logErrorWithStack("spark.hostPort not set but invoking localHostPort") return localHostName() } - retval } @@ -415,9 +413,12 @@ private[spark] object Utils extends Logging { assert(hostPort.indexOf(':') != -1, message) } - // Used by DEBUG code : remove when all testing done def logErrorWithStack(msg: String) { - try { throw new Exception } catch { case ex: Exception => { logError(msg, ex) } } + try { + throw new Exception + } catch { + case ex: Exception => logError(msg, ex) + } } // Typically, this will be of order of number of nodes in cluster @@ -837,7 +838,7 @@ private[spark] object Utils extends Logging { } } - /** + /** * Timing method based on iterations that permit JVM JIT optimization. * @param numIters number of iterations * @param f function to be executed diff --git a/core/src/test/resources/spark.conf b/core/src/test/resources/spark.conf new file mode 100644 index 0000000000..aa4e751235 --- /dev/null +++ b/core/src/test/resources/spark.conf @@ -0,0 +1,8 @@ +# A simple spark.conf file used only in our unit tests + +spark.test.intTestProperty = 1 + +spark.test { + stringTestProperty = "hi" + listTestProperty = ["a", "b"] +} diff --git a/core/src/test/resources/uncommons-maths-1.2.2.jar b/core/src/test/resources/uncommons-maths-1.2.2.jar Binary files differdeleted file mode 100644 index e126001c1c..0000000000 --- a/core/src/test/resources/uncommons-maths-1.2.2.jar +++ /dev/null diff --git a/core/src/test/scala/org/apache/spark/CheckpointSuite.scala b/core/src/test/scala/org/apache/spark/CheckpointSuite.scala index f25d921d3f..ec13b329b2 100644 --- a/core/src/test/scala/org/apache/spark/CheckpointSuite.scala +++ b/core/src/test/scala/org/apache/spark/CheckpointSuite.scala @@ -26,8 +26,6 @@ import org.apache.spark.storage.{BlockId, StorageLevel, TestBlockId} import org.apache.spark.util.Utils class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { - initLogging() - var checkpointDir: File = _ val partitioner = new HashPartitioner(2) @@ -57,15 +55,15 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { } test("RDDs with one-to-one dependencies") { - testCheckpointing(_.map(x => x.toString)) - testCheckpointing(_.flatMap(x => 1 to x)) - testCheckpointing(_.filter(_ % 2 == 0)) - testCheckpointing(_.sample(false, 0.5, 0)) - testCheckpointing(_.glom()) - testCheckpointing(_.mapPartitions(_.map(_.toString))) - testCheckpointing(_.map(x => (x % 2, 1)).reduceByKey(_ + _).mapValues(_.toString)) - testCheckpointing(_.map(x => (x % 2, 1)).reduceByKey(_ + _).flatMapValues(x => 1 to x)) - testCheckpointing(_.pipe(Seq("cat"))) + testRDD(_.map(x => x.toString)) + testRDD(_.flatMap(x => 1 to x)) + testRDD(_.filter(_ % 2 == 0)) + testRDD(_.sample(false, 0.5, 0)) + testRDD(_.glom()) + testRDD(_.mapPartitions(_.map(_.toString))) + testRDD(_.map(x => (x % 2, 1)).reduceByKey(_ + _).mapValues(_.toString)) + testRDD(_.map(x => (x % 2, 1)).reduceByKey(_ + _).flatMapValues(x => 1 to x)) + testRDD(_.pipe(Seq("cat"))) } test("ParallelCollection") { @@ -97,7 +95,7 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { } test("ShuffledRDD") { - testCheckpointing(rdd => { + testRDD(rdd => { // Creating ShuffledRDD directly as PairRDDFunctions.combineByKey produces a MapPartitionedRDD new ShuffledRDD[Int, Int, (Int, Int)](rdd.map(x => (x % 2, 1)), partitioner) }) @@ -105,25 +103,17 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { test("UnionRDD") { def otherRDD = sc.makeRDD(1 to 10, 1) - - // Test whether the size of UnionRDDPartitions reduce in size after parent RDD is checkpointed. - // Current implementation of UnionRDD has transient reference to parent RDDs, - // so only the partitions will reduce in serialized size, not the RDD. - testCheckpointing(_.union(otherRDD), false, true) - testParentCheckpointing(_.union(otherRDD), false, true) + testRDD(_.union(otherRDD)) + testRDDPartitions(_.union(otherRDD)) } test("CartesianRDD") { def otherRDD = sc.makeRDD(1 to 10, 1) - testCheckpointing(new CartesianRDD(sc, _, otherRDD)) - - // Test whether size of CoalescedRDD reduce in size after parent RDD is checkpointed - // Current implementation of CoalescedRDDPartition has transient reference to parent RDD, - // so only the RDD will reduce in serialized size, not the partitions. - testParentCheckpointing(new CartesianRDD(sc, _, otherRDD), true, false) + testRDD(new CartesianRDD(sc, _, otherRDD)) + testRDDPartitions(new CartesianRDD(sc, _, otherRDD)) // Test that the CartesianRDD updates parent partitions (CartesianRDD.s1/s2) after - // the parent RDD has been checkpointed and parent partitions have been changed to HadoopPartitions. + // the parent RDD has been checkpointed and parent partitions have been changed. // Note that this test is very specific to the current implementation of CartesianRDD. val ones = sc.makeRDD(1 to 100, 10).map(x => x) ones.checkpoint() // checkpoint that MappedRDD @@ -134,23 +124,20 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { val splitAfterCheckpoint = serializeDeserialize(cartesian.partitions.head.asInstanceOf[CartesianPartition]) assert( - (splitAfterCheckpoint.s1 != splitBeforeCheckpoint.s1) && - (splitAfterCheckpoint.s2 != splitBeforeCheckpoint.s2), - "CartesianRDD.parents not updated after parent RDD checkpointed" + (splitAfterCheckpoint.s1.getClass != splitBeforeCheckpoint.s1.getClass) && + (splitAfterCheckpoint.s2.getClass != splitBeforeCheckpoint.s2.getClass), + "CartesianRDD.s1 and CartesianRDD.s2 not updated after parent RDD is checkpointed" ) } test("CoalescedRDD") { - testCheckpointing(_.coalesce(2)) - - // Test whether size of CoalescedRDD reduce in size after parent RDD is checkpointed - // Current implementation of CoalescedRDDPartition has transient reference to parent RDD, - // so only the RDD will reduce in serialized size, not the partitions. - testParentCheckpointing(_.coalesce(2), true, false) + testRDD(_.coalesce(2)) + testRDDPartitions(_.coalesce(2)) - // Test that the CoalescedRDDPartition updates parent partitions (CoalescedRDDPartition.parents) after - // the parent RDD has been checkpointed and parent partitions have been changed to HadoopPartitions. - // Note that this test is very specific to the current implementation of CoalescedRDDPartitions + // Test that the CoalescedRDDPartition updates parent partitions (CoalescedRDDPartition.parents) + // after the parent RDD has been checkpointed and parent partitions have been changed. + // Note that this test is very specific to the current implementation of + // CoalescedRDDPartitions. val ones = sc.makeRDD(1 to 100, 10).map(x => x) ones.checkpoint() // checkpoint that MappedRDD val coalesced = new CoalescedRDD(ones, 2) @@ -160,33 +147,78 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { val splitAfterCheckpoint = serializeDeserialize(coalesced.partitions.head.asInstanceOf[CoalescedRDDPartition]) assert( - splitAfterCheckpoint.parents.head != splitBeforeCheckpoint.parents.head, - "CoalescedRDDPartition.parents not updated after parent RDD checkpointed" + splitAfterCheckpoint.parents.head.getClass != splitBeforeCheckpoint.parents.head.getClass, + "CoalescedRDDPartition.parents not updated after parent RDD is checkpointed" ) } test("CoGroupedRDD") { - val longLineageRDD1 = generateLongLineageRDDForCoGroupedRDD() - testCheckpointing(rdd => { + val longLineageRDD1 = generateFatPairRDD() + testRDD(rdd => { CheckpointSuite.cogroup(longLineageRDD1, rdd.map(x => (x % 2, 1)), partitioner) - }, false, true) + }) - val longLineageRDD2 = generateLongLineageRDDForCoGroupedRDD() - testParentCheckpointing(rdd => { + val longLineageRDD2 = generateFatPairRDD() + testRDDPartitions(rdd => { CheckpointSuite.cogroup( longLineageRDD2, sc.makeRDD(1 to 2, 2).map(x => (x % 2, 1)), partitioner) - }, false, true) + }) } test("ZippedRDD") { - testCheckpointing( - rdd => new ZippedRDD(sc, rdd, rdd.map(x => x)), true, false) - - // Test whether size of ZippedRDD reduce in size after parent RDD is checkpointed - // Current implementation of ZippedRDDPartitions has transient references to parent RDDs, - // so only the RDD will reduce in serialized size, not the partitions. - testParentCheckpointing( - rdd => new ZippedRDD(sc, rdd, rdd.map(x => x)), true, false) + testRDD(rdd => new ZippedRDD(sc, rdd, rdd.map(x => x))) + testRDDPartitions(rdd => new ZippedRDD(sc, rdd, rdd.map(x => x))) + + // Test that the ZippedPartition updates parent partitions + // after the parent RDD has been checkpointed and parent partitions have been changed. + // Note that this test is very specific to the current implementation of ZippedRDD. + val rdd = generateFatRDD() + val zippedRDD = new ZippedRDD(sc, rdd, rdd.map(x => x)) + zippedRDD.rdd1.checkpoint() + zippedRDD.rdd2.checkpoint() + val partitionBeforeCheckpoint = + serializeDeserialize(zippedRDD.partitions.head.asInstanceOf[ZippedPartition[_, _]]) + zippedRDD.count() + val partitionAfterCheckpoint = + serializeDeserialize(zippedRDD.partitions.head.asInstanceOf[ZippedPartition[_, _]]) + assert( + partitionAfterCheckpoint.partition1.getClass != partitionBeforeCheckpoint.partition1.getClass && + partitionAfterCheckpoint.partition2.getClass != partitionBeforeCheckpoint.partition2.getClass, + "ZippedRDD.partition1 and ZippedRDD.partition2 not updated after parent RDD is checkpointed" + ) + } + + test("PartitionerAwareUnionRDD") { + testRDD(rdd => { + new PartitionerAwareUnionRDD[(Int, Int)](sc, Array( + generateFatPairRDD(), + rdd.map(x => (x % 2, 1)).reduceByKey(partitioner, _ + _) + )) + }) + + testRDDPartitions(rdd => { + new PartitionerAwareUnionRDD[(Int, Int)](sc, Array( + generateFatPairRDD(), + rdd.map(x => (x % 2, 1)).reduceByKey(partitioner, _ + _) + )) + }) + + // Test that the PartitionerAwareUnionRDD updates parent partitions + // (PartitionerAwareUnionRDD.parents) after the parent RDD has been checkpointed and parent + // partitions have been changed. Note that this test is very specific to the current + // implementation of PartitionerAwareUnionRDD. + val pairRDD = generateFatPairRDD() + pairRDD.checkpoint() + val unionRDD = new PartitionerAwareUnionRDD(sc, Array(pairRDD)) + val partitionBeforeCheckpoint = serializeDeserialize( + unionRDD.partitions.head.asInstanceOf[PartitionerAwareUnionRDDPartition]) + pairRDD.count() + val partitionAfterCheckpoint = serializeDeserialize( + unionRDD.partitions.head.asInstanceOf[PartitionerAwareUnionRDDPartition]) + assert( + partitionBeforeCheckpoint.parents.head.getClass != partitionAfterCheckpoint.parents.head.getClass, + "PartitionerAwareUnionRDDPartition.parents not updated after parent RDD is checkpointed" + ) } test("CheckpointRDD with zero partitions") { @@ -200,29 +232,32 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { } /** - * Test checkpointing of the final RDD generated by the given operation. By default, - * this method tests whether the size of serialized RDD has reduced after checkpointing or not. - * It can also test whether the size of serialized RDD partitions has reduced after checkpointing or - * not, but this is not done by default as usually the partitions do not refer to any RDD and - * therefore never store the lineage. + * Test checkpointing of the RDD generated by the given operation. It tests whether the + * serialized size of the RDD is reduce after checkpointing or not. This function should be called + * on all RDDs that have a parent RDD (i.e., do not call on ParallelCollection, BlockRDD, etc.). */ - def testCheckpointing[U: ClassTag]( - op: (RDD[Int]) => RDD[U], - testRDDSize: Boolean = true, - testRDDPartitionSize: Boolean = false - ) { + def testRDD[U: ClassTag](op: (RDD[Int]) => RDD[U]) { // Generate the final RDD using given RDD operation - val baseRDD = generateLongLineageRDD() + val baseRDD = generateFatRDD() val operatedRDD = op(baseRDD) val parentRDD = operatedRDD.dependencies.headOption.orNull val rddType = operatedRDD.getClass.getSimpleName val numPartitions = operatedRDD.partitions.length + // Force initialization of all the data structures in RDDs + // Without this, serializing the RDD will give a wrong estimate of the size of the RDD + initializeRdd(operatedRDD) + + val partitionsBeforeCheckpoint = operatedRDD.partitions + // Find serialized sizes before and after the checkpoint - val (rddSizeBeforeCheckpoint, splitSizeBeforeCheckpoint) = getSerializedSizes(operatedRDD) + logInfo("RDD after checkpoint: " + operatedRDD + "\n" + operatedRDD.toDebugString) + val (rddSizeBeforeCheckpoint, partitionSizeBeforeCheckpoint) = getSerializedSizes(operatedRDD) operatedRDD.checkpoint() val result = operatedRDD.collect() - val (rddSizeAfterCheckpoint, splitSizeAfterCheckpoint) = getSerializedSizes(operatedRDD) + operatedRDD.collect() // force re-initialization of post-checkpoint lazy variables + val (rddSizeAfterCheckpoint, partitionSizeAfterCheckpoint) = getSerializedSizes(operatedRDD) + logInfo("RDD after checkpoint: " + operatedRDD + "\n" + operatedRDD.toDebugString) // Test whether the checkpoint file has been created assert(sc.checkpointFile[U](operatedRDD.getCheckpointFile.get).collect() === result) @@ -230,6 +265,9 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { // Test whether dependencies have been changed from its earlier parent RDD assert(operatedRDD.dependencies.head.rdd != parentRDD) + // Test whether the partitions have been changed from its earlier partitions + assert(operatedRDD.partitions.toList != partitionsBeforeCheckpoint.toList) + // Test whether the partitions have been changed to the new Hadoop partitions assert(operatedRDD.partitions.toList === operatedRDD.checkpointData.get.getPartitions.toList) @@ -239,122 +277,72 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { // Test whether the data in the checkpointed RDD is same as original assert(operatedRDD.collect() === result) - // Test whether serialized size of the RDD has reduced. If the RDD - // does not have any dependency to another RDD (e.g., ParallelCollection, - // ShuffleRDD with ShuffleDependency), it may not reduce in size after checkpointing. - if (testRDDSize) { - logInfo("Size of " + rddType + - "[" + rddSizeBeforeCheckpoint + " --> " + rddSizeAfterCheckpoint + "]") - assert( - rddSizeAfterCheckpoint < rddSizeBeforeCheckpoint, - "Size of " + rddType + " did not reduce after checkpointing " + - "[" + rddSizeBeforeCheckpoint + " --> " + rddSizeAfterCheckpoint + "]" - ) - } + // Test whether serialized size of the RDD has reduced. + logInfo("Size of " + rddType + + " [" + rddSizeBeforeCheckpoint + " --> " + rddSizeAfterCheckpoint + "]") + assert( + rddSizeAfterCheckpoint < rddSizeBeforeCheckpoint, + "Size of " + rddType + " did not reduce after checkpointing " + + " [" + rddSizeBeforeCheckpoint + " --> " + rddSizeAfterCheckpoint + "]" + ) - // Test whether serialized size of the partitions has reduced. If the partitions - // do not have any non-transient reference to another RDD or another RDD's partitions, it - // does not refer to a lineage and therefore may not reduce in size after checkpointing. - // However, if the original partitions before checkpointing do refer to a parent RDD, the partitions - // must be forgotten after checkpointing (to remove all reference to parent RDDs) and - // replaced with the HadooPartitions of the checkpointed RDD. - if (testRDDPartitionSize) { - logInfo("Size of " + rddType + " partitions " - + "[" + splitSizeBeforeCheckpoint + " --> " + splitSizeAfterCheckpoint + "]") - assert( - splitSizeAfterCheckpoint < splitSizeBeforeCheckpoint, - "Size of " + rddType + " partitions did not reduce after checkpointing " + - "[" + splitSizeBeforeCheckpoint + " --> " + splitSizeAfterCheckpoint + "]" - ) - } } /** * Test whether checkpointing of the parent of the generated RDD also * truncates the lineage or not. Some RDDs like CoGroupedRDD hold on to its parent * RDDs partitions. So even if the parent RDD is checkpointed and its partitions changed, - * this RDD will remember the partitions and therefore potentially the whole lineage. + * the generated RDD will remember the partitions and therefore potentially the whole lineage. + * This function should be called only those RDD whose partitions refer to parent RDD's + * partitions (i.e., do not call it on simple RDD like MappedRDD). + * */ - def testParentCheckpointing[U: ClassTag]( - op: (RDD[Int]) => RDD[U], - testRDDSize: Boolean, - testRDDPartitionSize: Boolean - ) { + def testRDDPartitions[U: ClassTag](op: (RDD[Int]) => RDD[U]) { // Generate the final RDD using given RDD operation - val baseRDD = generateLongLineageRDD() + val baseRDD = generateFatRDD() val operatedRDD = op(baseRDD) - val parentRDD = operatedRDD.dependencies.head.rdd + val parentRDDs = operatedRDD.dependencies.map(_.rdd) val rddType = operatedRDD.getClass.getSimpleName - val parentRDDType = parentRDD.getClass.getSimpleName - // Get the partitions and dependencies of the parent in case they're lazily computed - parentRDD.dependencies - parentRDD.partitions + // Force initialization of all the data structures in RDDs + // Without this, serializing the RDD will give a wrong estimate of the size of the RDD + initializeRdd(operatedRDD) // Find serialized sizes before and after the checkpoint - val (rddSizeBeforeCheckpoint, splitSizeBeforeCheckpoint) = getSerializedSizes(operatedRDD) - parentRDD.checkpoint() // checkpoint the parent RDD, not the generated one - val result = operatedRDD.collect() - val (rddSizeAfterCheckpoint, splitSizeAfterCheckpoint) = getSerializedSizes(operatedRDD) + logInfo("RDD after checkpoint: " + operatedRDD + "\n" + operatedRDD.toDebugString) + val (rddSizeBeforeCheckpoint, partitionSizeBeforeCheckpoint) = getSerializedSizes(operatedRDD) + parentRDDs.foreach(_.checkpoint()) // checkpoint the parent RDD, not the generated one + val result = operatedRDD.collect() // force checkpointing + operatedRDD.collect() // force re-initialization of post-checkpoint lazy variables + val (rddSizeAfterCheckpoint, partitionSizeAfterCheckpoint) = getSerializedSizes(operatedRDD) + logInfo("RDD after checkpoint: " + operatedRDD + "\n" + operatedRDD.toDebugString) // Test whether the data in the checkpointed RDD is same as original assert(operatedRDD.collect() === result) - // Test whether serialized size of the RDD has reduced because of its parent being - // checkpointed. If this RDD or its parent RDD do not have any dependency - // to another RDD (e.g., ParallelCollection, ShuffleRDD with ShuffleDependency), it may - // not reduce in size after checkpointing. - if (testRDDSize) { - assert( - rddSizeAfterCheckpoint < rddSizeBeforeCheckpoint, - "Size of " + rddType + " did not reduce after checkpointing parent " + parentRDDType + - "[" + rddSizeBeforeCheckpoint + " --> " + rddSizeAfterCheckpoint + "]" - ) - } - - // Test whether serialized size of the partitions has reduced because of its parent being - // checkpointed. If the partitions do not have any non-transient reference to another RDD - // or another RDD's partitions, it does not refer to a lineage and therefore may not reduce - // in size after checkpointing. However, if the partitions do refer to the *partitions* of a parent - // RDD, then these partitions must update reference to the parent RDD partitions as the parent RDD's - // partitions must have changed after checkpointing. - if (testRDDPartitionSize) { - assert( - splitSizeAfterCheckpoint < splitSizeBeforeCheckpoint, - "Size of " + rddType + " partitions did not reduce after checkpointing parent " + parentRDDType + - "[" + splitSizeBeforeCheckpoint + " --> " + splitSizeAfterCheckpoint + "]" - ) - } - + // Test whether serialized size of the partitions has reduced + logInfo("Size of partitions of " + rddType + + " [" + partitionSizeBeforeCheckpoint + " --> " + partitionSizeAfterCheckpoint + "]") + assert( + partitionSizeAfterCheckpoint < partitionSizeBeforeCheckpoint, + "Size of " + rddType + " partitions did not reduce after checkpointing parent RDDs" + + " [" + partitionSizeBeforeCheckpoint + " --> " + partitionSizeAfterCheckpoint + "]" + ) } /** - * Generate an RDD with a long lineage of one-to-one dependencies. + * Generate an RDD such that both the RDD and its partitions have large size. */ - def generateLongLineageRDD(): RDD[Int] = { - var rdd = sc.makeRDD(1 to 100, 4) - for (i <- 1 to 50) { - rdd = rdd.map(x => x + 1) - } - rdd + def generateFatRDD(): RDD[Int] = { + new FatRDD(sc.makeRDD(1 to 100, 4)).map(x => x) } /** - * Generate an RDD with a long lineage specifically for CoGroupedRDD. - * A CoGroupedRDD can have a long lineage only one of its parents have a long lineage - * and narrow dependency with this RDD. This method generate such an RDD by a sequence - * of cogroups and mapValues which creates a long lineage of narrow dependencies. + * Generate an pair RDD (with partitioner) such that both the RDD and its partitions + * have large size. */ - def generateLongLineageRDDForCoGroupedRDD() = { - val add = (x: (Seq[Int], Seq[Int])) => (x._1 ++ x._2).reduce(_ + _) - - def ones: RDD[(Int, Int)] = sc.makeRDD(1 to 2, 2).map(x => (x % 2, 1)).reduceByKey(partitioner, _ + _) - - var cogrouped: RDD[(Int, (Seq[Int], Seq[Int]))] = ones.cogroup(ones) - for(i <- 1 to 10) { - cogrouped = cogrouped.mapValues(add).cogroup(ones) - } - cogrouped.mapValues(add) + def generateFatPairRDD() = { + new FatPairRDD(sc.makeRDD(1 to 100, 4), partitioner).mapValues(x => x) } /** @@ -362,8 +350,26 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { * upon checkpointing. Ignores the checkpointData field, which may grow when we checkpoint. */ def getSerializedSizes(rdd: RDD[_]): (Int, Int) = { - (Utils.serialize(rdd).length - Utils.serialize(rdd.checkpointData).length, - Utils.serialize(rdd.partitions).length) + val rddSize = Utils.serialize(rdd).size + val rddCpDataSize = Utils.serialize(rdd.checkpointData).size + val rddPartitionSize = Utils.serialize(rdd.partitions).size + val rddDependenciesSize = Utils.serialize(rdd.dependencies).size + + // Print detailed size, helps in debugging + logInfo("Serialized sizes of " + rdd + + ": RDD = " + rddSize + + ", RDD checkpoint data = " + rddCpDataSize + + ", RDD partitions = " + rddPartitionSize + + ", RDD dependencies = " + rddDependenciesSize + ) + // this makes sure that serializing the RDD's checkpoint data does not + // serialize the whole RDD as well + assert( + rddSize > rddCpDataSize, + "RDD's checkpoint data (" + rddCpDataSize + ") is equal or larger than the " + + "whole RDD with checkpoint data (" + rddSize + ")" + ) + (rddSize - rddCpDataSize, rddPartitionSize) } /** @@ -375,8 +381,49 @@ class CheckpointSuite extends FunSuite with LocalSparkContext with Logging { val bytes = Utils.serialize(obj) Utils.deserialize[T](bytes) } + + /** + * Recursively force the initialization of the all members of an RDD and it parents. + */ + def initializeRdd(rdd: RDD[_]) { + rdd.partitions // forces the + rdd.dependencies.map(_.rdd).foreach(initializeRdd(_)) + } } +/** RDD partition that has large serialized size. */ +class FatPartition(val partition: Partition) extends Partition { + val bigData = new Array[Byte](10000) + def index: Int = partition.index +} + +/** RDD that has large serialized size. */ +class FatRDD(parent: RDD[Int]) extends RDD[Int](parent) { + val bigData = new Array[Byte](100000) + + protected def getPartitions: Array[Partition] = { + parent.partitions.map(p => new FatPartition(p)) + } + + def compute(split: Partition, context: TaskContext): Iterator[Int] = { + parent.compute(split.asInstanceOf[FatPartition].partition, context) + } +} + +/** Pair RDD that has large serialized size. */ +class FatPairRDD(parent: RDD[Int], _partitioner: Partitioner) extends RDD[(Int, Int)](parent) { + val bigData = new Array[Byte](100000) + + protected def getPartitions: Array[Partition] = { + parent.partitions.map(p => new FatPartition(p)) + } + + @transient override val partitioner = Some(_partitioner) + + def compute(split: Partition, context: TaskContext): Iterator[(Int, Int)] = { + parent.compute(split.asInstanceOf[FatPartition].partition, context).map(x => (x, x)) + } +} object CheckpointSuite { // This is a custom cogroup function that does not use mapValues like diff --git a/core/src/test/scala/org/apache/spark/DriverSuite.scala b/core/src/test/scala/org/apache/spark/DriverSuite.scala index 6d1695eae7..fb89537258 100644 --- a/core/src/test/scala/org/apache/spark/DriverSuite.scala +++ b/core/src/test/scala/org/apache/spark/DriverSuite.scala @@ -30,13 +30,15 @@ import org.apache.spark.util.Utils class DriverSuite extends FunSuite with Timeouts { test("driver should exit after finishing") { - assert(System.getenv("SPARK_HOME") != null) + val sparkHome = sys.env.get("SPARK_HOME").orElse(sys.props.get("spark.home")).get // Regression test for SPARK-530: "Spark driver process doesn't exit after finishing" val masters = Table(("master"), ("local"), ("local-cluster[2,1,512]")) forAll(masters) { (master: String) => failAfter(60 seconds) { - Utils.execute(Seq("./spark-class", "org.apache.spark.DriverWithoutCleanup", master), - new File(System.getenv("SPARK_HOME"))) + Utils.executeAndGetOutput( + Seq("./bin/spark-class", "org.apache.spark.DriverWithoutCleanup", master), + new File(sparkHome), + Map("SPARK_TESTING" -> "1", "SPARK_HOME" -> sparkHome)) } } } diff --git a/core/src/test/scala/org/apache/spark/FileServerSuite.scala b/core/src/test/scala/org/apache/spark/FileServerSuite.scala index c210dd5c3b..a2eb9a4e84 100644 --- a/core/src/test/scala/org/apache/spark/FileServerSuite.scala +++ b/core/src/test/scala/org/apache/spark/FileServerSuite.scala @@ -17,33 +17,49 @@ package org.apache.spark +import java.io._ +import java.util.jar.{JarEntry, JarOutputStream} + +import SparkContext._ import com.google.common.io.Files import org.scalatest.FunSuite -import java.io.{File, PrintWriter, FileReader, BufferedReader} -import SparkContext._ class FileServerSuite extends FunSuite with LocalSparkContext { @transient var tmpFile: File = _ - @transient var testJarFile: File = _ - - override def beforeEach() { - super.beforeEach() - // Create a sample text file - val tmpdir = new File(Files.createTempDir(), "test") - tmpdir.mkdir() - tmpFile = new File(tmpdir, "FileServerSuite.txt") - val pw = new PrintWriter(tmpFile) + @transient var tmpJarUrl: String = _ + + override def beforeAll() { + super.beforeAll() + val tmpDir = new File(Files.createTempDir(), "test") + tmpDir.mkdir() + + val textFile = new File(tmpDir, "FileServerSuite.txt") + val pw = new PrintWriter(textFile) pw.println("100") pw.close() - } + + val jarFile = new File(tmpDir, "test.jar") + val jarStream = new FileOutputStream(jarFile) + val jar = new JarOutputStream(jarStream, new java.util.jar.Manifest()) - override def afterEach() { - super.afterEach() - // Clean up downloaded file - if (tmpFile.exists) { - tmpFile.delete() + val jarEntry = new JarEntry(textFile.getName) + jar.putNextEntry(jarEntry) + + val in = new FileInputStream(textFile) + val buffer = new Array[Byte](10240) + var nRead = 0 + while (nRead <= 0) { + nRead = in.read(buffer, 0, buffer.length) + jar.write(buffer, 0, nRead) } + + in.close() + jar.close() + jarStream.close() + + tmpFile = textFile + tmpJarUrl = jarFile.toURI.toURL.toString } test("Distributing files locally") { @@ -77,18 +93,13 @@ class FileServerSuite extends FunSuite with LocalSparkContext { test ("Dynamically adding JARS locally") { sc = new SparkContext("local[4]", "test") - val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile() - sc.addJar(sampleJarFile) - val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0)) - val result = sc.parallelize(testData).reduceByKey { (x,y) => - val fac = Thread.currentThread.getContextClassLoader() - .loadClass("org.uncommons.maths.Maths") - .getDeclaredMethod("factorial", classOf[Int]) - val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - a + b - }.collect() - assert(result.toSet === Set((1,2), (2,7), (3,121))) + sc.addJar(tmpJarUrl) + val testData = Array((1, 1)) + sc.parallelize(testData).foreach { x => + if (Thread.currentThread.getContextClassLoader.getResource("FileServerSuite.txt") == null) { + throw new SparkException("jar not added") + } + } } test("Distributing files on a standalone cluster") { @@ -107,33 +118,24 @@ class FileServerSuite extends FunSuite with LocalSparkContext { test ("Dynamically adding JARS on a standalone cluster") { sc = new SparkContext("local-cluster[1,1,512]", "test") - val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile() - sc.addJar(sampleJarFile) - val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0)) - val result = sc.parallelize(testData).reduceByKey { (x,y) => - val fac = Thread.currentThread.getContextClassLoader() - .loadClass("org.uncommons.maths.Maths") - .getDeclaredMethod("factorial", classOf[Int]) - val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - a + b - }.collect() - assert(result.toSet === Set((1,2), (2,7), (3,121))) + sc.addJar(tmpJarUrl) + val testData = Array((1,1)) + sc.parallelize(testData).foreach { x => + if (Thread.currentThread.getContextClassLoader.getResource("FileServerSuite.txt") == null) { + throw new SparkException("jar not added") + } + } } test ("Dynamically adding JARS on a standalone cluster using local: URL") { sc = new SparkContext("local-cluster[1,1,512]", "test") - val sampleJarFile = getClass.getClassLoader.getResource("uncommons-maths-1.2.2.jar").getFile() - sc.addJar(sampleJarFile.replace("file", "local")) - val testData = Array((1,1), (1,1), (2,1), (3,5), (2,3), (3,0)) - val result = sc.parallelize(testData).reduceByKey { (x,y) => - val fac = Thread.currentThread.getContextClassLoader() - .loadClass("org.uncommons.maths.Maths") - .getDeclaredMethod("factorial", classOf[Int]) - val a = fac.invoke(null, x.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - val b = fac.invoke(null, y.asInstanceOf[java.lang.Integer]).asInstanceOf[Long].toInt - a + b - }.collect() - assert(result.toSet === Set((1,2), (2,7), (3,121))) + sc.addJar(tmpJarUrl.replace("file", "local")) + val testData = Array((1,1)) + sc.parallelize(testData).foreach { x => + if (Thread.currentThread.getContextClassLoader.getResource("FileServerSuite.txt") == null) { + throw new SparkException("jar not added") + } + } } + } diff --git a/core/src/test/scala/org/apache/spark/JavaAPISuite.java b/core/src/test/scala/org/apache/spark/JavaAPISuite.java index 79913dc718..23ec6c3b31 100644 --- a/core/src/test/scala/org/apache/spark/JavaAPISuite.java +++ b/core/src/test/scala/org/apache/spark/JavaAPISuite.java @@ -851,7 +851,7 @@ public class JavaAPISuite implements Serializable { public void checkpointAndComputation() { File tempDir = Files.createTempDir(); JavaRDD<Integer> rdd = sc.parallelize(Arrays.asList(1, 2, 3, 4, 5)); - sc.setCheckpointDir(tempDir.getAbsolutePath(), true); + sc.setCheckpointDir(tempDir.getAbsolutePath()); Assert.assertEquals(false, rdd.isCheckpointed()); rdd.checkpoint(); rdd.count(); // Forces the DAG to cause a checkpoint @@ -863,7 +863,7 @@ public class JavaAPISuite implements Serializable { public void checkpointAndRestore() { File tempDir = Files.createTempDir(); JavaRDD<Integer> rdd = sc.parallelize(Arrays.asList(1, 2, 3, 4, 5)); - sc.setCheckpointDir(tempDir.getAbsolutePath(), true); + sc.setCheckpointDir(tempDir.getAbsolutePath()); Assert.assertEquals(false, rdd.isCheckpointed()); rdd.checkpoint(); rdd.count(); // Forces the DAG to cause a checkpoint @@ -930,4 +930,36 @@ public class JavaAPISuite implements Serializable { parts[1]); } + @Test + public void countApproxDistinct() { + List<Integer> arrayData = new ArrayList<Integer>(); + int size = 100; + for (int i = 0; i < 100000; i++) { + arrayData.add(i % size); + } + JavaRDD<Integer> simpleRdd = sc.parallelize(arrayData, 10); + Assert.assertTrue(Math.abs((simpleRdd.countApproxDistinct(0.2) - size) / (size * 1.0)) < 0.2); + Assert.assertTrue(Math.abs((simpleRdd.countApproxDistinct(0.05) - size) / (size * 1.0)) <= 0.05); + Assert.assertTrue(Math.abs((simpleRdd.countApproxDistinct(0.01) - size) / (size * 1.0)) <= 0.01); + } + + @Test + public void countApproxDistinctByKey() { + double relativeSD = 0.001; + + List<Tuple2<Integer, Integer>> arrayData = new ArrayList<Tuple2<Integer, Integer>>(); + for (int i = 10; i < 100; i++) + for (int j = 0; j < i; j++) + arrayData.add(new Tuple2<Integer, Integer>(i, j)); + + JavaPairRDD<Integer, Integer> pairRdd = sc.parallelizePairs(arrayData); + List<Tuple2<Integer, Object>> res = pairRdd.countApproxDistinctByKey(relativeSD).collect(); + for (Tuple2<Integer, Object> resItem : res) { + double count = (double)resItem._1(); + Long resCount = (Long)resItem._2(); + Double error = Math.abs((resCount - count) / count); + Assert.assertTrue(error < relativeSD); + } + + } } diff --git a/core/src/test/scala/org/apache/spark/MapOutputTrackerSuite.scala b/core/src/test/scala/org/apache/spark/MapOutputTrackerSuite.scala index 271dc905bc..10b8b441fd 100644 --- a/core/src/test/scala/org/apache/spark/MapOutputTrackerSuite.scala +++ b/core/src/test/scala/org/apache/spark/MapOutputTrackerSuite.scala @@ -25,7 +25,7 @@ import org.apache.spark.storage.BlockManagerId import org.apache.spark.util.AkkaUtils class MapOutputTrackerSuite extends FunSuite with LocalSparkContext { - + private val conf = new SparkConf test("compressSize") { assert(MapOutputTracker.compressSize(0L) === 0) assert(MapOutputTracker.compressSize(1L) === 1) @@ -48,14 +48,14 @@ class MapOutputTrackerSuite extends FunSuite with LocalSparkContext { test("master start and stop") { val actorSystem = ActorSystem("test") - val tracker = new MapOutputTrackerMaster() + val tracker = new MapOutputTrackerMaster(conf) tracker.trackerActor = Left(actorSystem.actorOf(Props(new MapOutputTrackerMasterActor(tracker)))) tracker.stop() } test("master register and fetch") { val actorSystem = ActorSystem("test") - val tracker = new MapOutputTrackerMaster() + val tracker = new MapOutputTrackerMaster(conf) tracker.trackerActor = Left(actorSystem.actorOf(Props(new MapOutputTrackerMasterActor(tracker)))) tracker.registerShuffle(10, 2) val compressedSize1000 = MapOutputTracker.compressSize(1000L) @@ -74,7 +74,7 @@ class MapOutputTrackerSuite extends FunSuite with LocalSparkContext { test("master register and unregister and fetch") { val actorSystem = ActorSystem("test") - val tracker = new MapOutputTrackerMaster() + val tracker = new MapOutputTrackerMaster(conf) tracker.trackerActor = Left(actorSystem.actorOf(Props(new MapOutputTrackerMasterActor(tracker)))) tracker.registerShuffle(10, 2) val compressedSize1000 = MapOutputTracker.compressSize(1000L) @@ -96,16 +96,16 @@ class MapOutputTrackerSuite extends FunSuite with LocalSparkContext { test("remote fetch") { val hostname = "localhost" - val (actorSystem, boundPort) = AkkaUtils.createActorSystem("spark", hostname, 0) + val (actorSystem, boundPort) = AkkaUtils.createActorSystem("spark", hostname, 0, conf = conf) System.setProperty("spark.driver.port", boundPort.toString) // Will be cleared by LocalSparkContext System.setProperty("spark.hostPort", hostname + ":" + boundPort) - val masterTracker = new MapOutputTrackerMaster() + val masterTracker = new MapOutputTrackerMaster(conf) masterTracker.trackerActor = Left(actorSystem.actorOf( Props(new MapOutputTrackerMasterActor(masterTracker)), "MapOutputTracker")) - val (slaveSystem, _) = AkkaUtils.createActorSystem("spark-slave", hostname, 0) - val slaveTracker = new MapOutputTracker() + val (slaveSystem, _) = AkkaUtils.createActorSystem("spark-slave", hostname, 0, conf = conf) + val slaveTracker = new MapOutputTracker(conf) slaveTracker.trackerActor = Right(slaveSystem.actorSelection( "akka.tcp://spark@localhost:" + boundPort + "/user/MapOutputTracker")) diff --git a/core/src/test/scala/org/apache/spark/SharedSparkContext.scala b/core/src/test/scala/org/apache/spark/SharedSparkContext.scala index 288aa14eeb..c650ef4ed5 100644 --- a/core/src/test/scala/org/apache/spark/SharedSparkContext.scala +++ b/core/src/test/scala/org/apache/spark/SharedSparkContext.scala @@ -27,8 +27,10 @@ trait SharedSparkContext extends BeforeAndAfterAll { self: Suite => def sc: SparkContext = _sc + var conf = new SparkConf(false) + override def beforeAll() { - _sc = new SparkContext("local", "test") + _sc = new SparkContext("local", "test", conf) super.beforeAll() } diff --git a/core/src/test/scala/org/apache/spark/SparkConfSuite.scala b/core/src/test/scala/org/apache/spark/SparkConfSuite.scala new file mode 100644 index 0000000000..ef5936dd2f --- /dev/null +++ b/core/src/test/scala/org/apache/spark/SparkConfSuite.scala @@ -0,0 +1,110 @@ +package org.apache.spark + +import org.scalatest.FunSuite + +class SparkConfSuite extends FunSuite with LocalSparkContext { + // This test uses the spark.conf in core/src/test/resources, which has a few test properties + test("loading from spark.conf") { + val conf = new SparkConf() + assert(conf.get("spark.test.intTestProperty") === "1") + assert(conf.get("spark.test.stringTestProperty") === "hi") + // NOTE: we don't use list properties yet, but when we do, we'll have to deal with this syntax + assert(conf.get("spark.test.listTestProperty") === "[a, b]") + } + + // This test uses the spark.conf in core/src/test/resources, which has a few test properties + test("system properties override spark.conf") { + try { + System.setProperty("spark.test.intTestProperty", "2") + val conf = new SparkConf() + assert(conf.get("spark.test.intTestProperty") === "2") + assert(conf.get("spark.test.stringTestProperty") === "hi") + } finally { + System.clearProperty("spark.test.intTestProperty") + } + } + + test("initializing without loading defaults") { + try { + System.setProperty("spark.test.intTestProperty", "2") + val conf = new SparkConf(false) + assert(!conf.contains("spark.test.intTestProperty")) + assert(!conf.contains("spark.test.stringTestProperty")) + } finally { + System.clearProperty("spark.test.intTestProperty") + } + } + + test("named set methods") { + val conf = new SparkConf(false) + + conf.setMaster("local[3]") + conf.setAppName("My app") + conf.setSparkHome("/path") + conf.setJars(Seq("a.jar", "b.jar")) + conf.setExecutorEnv("VAR1", "value1") + conf.setExecutorEnv(Seq(("VAR2", "value2"), ("VAR3", "value3"))) + + assert(conf.get("spark.master") === "local[3]") + assert(conf.get("spark.app.name") === "My app") + assert(conf.get("spark.home") === "/path") + assert(conf.get("spark.jars") === "a.jar,b.jar") + assert(conf.get("spark.executorEnv.VAR1") === "value1") + assert(conf.get("spark.executorEnv.VAR2") === "value2") + assert(conf.get("spark.executorEnv.VAR3") === "value3") + + // Test the Java-friendly versions of these too + conf.setJars(Array("c.jar", "d.jar")) + conf.setExecutorEnv(Array(("VAR4", "value4"), ("VAR5", "value5"))) + assert(conf.get("spark.jars") === "c.jar,d.jar") + assert(conf.get("spark.executorEnv.VAR4") === "value4") + assert(conf.get("spark.executorEnv.VAR5") === "value5") + } + + test("basic get and set") { + val conf = new SparkConf(false) + assert(conf.getAll.toSet === Set()) + conf.set("k1", "v1") + conf.setAll(Seq(("k2", "v2"), ("k3", "v3"))) + assert(conf.getAll.toSet === Set(("k1", "v1"), ("k2", "v2"), ("k3", "v3"))) + conf.set("k1", "v4") + conf.setAll(Seq(("k2", "v5"), ("k3", "v6"))) + assert(conf.getAll.toSet === Set(("k1", "v4"), ("k2", "v5"), ("k3", "v6"))) + assert(conf.contains("k1"), "conf did not contain k1") + assert(!conf.contains("k4"), "conf contained k4") + assert(conf.get("k1") === "v4") + intercept[Exception] { conf.get("k4") } + assert(conf.get("k4", "not found") === "not found") + assert(conf.getOption("k1") === Some("v4")) + assert(conf.getOption("k4") === None) + } + + test("creating SparkContext without master and app name") { + val conf = new SparkConf(false) + intercept[SparkException] { sc = new SparkContext(conf) } + } + + test("creating SparkContext without master") { + val conf = new SparkConf(false).setAppName("My app") + intercept[SparkException] { sc = new SparkContext(conf) } + } + + test("creating SparkContext without app name") { + val conf = new SparkConf(false).setMaster("local") + intercept[SparkException] { sc = new SparkContext(conf) } + } + + test("creating SparkContext with both master and app name") { + val conf = new SparkConf(false).setMaster("local").setAppName("My app") + sc = new SparkContext(conf) + assert(sc.master === "local") + assert(sc.appName === "My app") + } + + test("SparkContext property overriding") { + val conf = new SparkConf(false).setMaster("local").setAppName("My app") + sc = new SparkContext("local[2]", "My other app", conf) + assert(sc.master === "local[2]") + assert(sc.appName === "My other app") + } +} diff --git a/core/src/test/scala/org/apache/spark/deploy/worker/ExecutorRunnerTest.scala b/core/src/test/scala/org/apache/spark/deploy/worker/ExecutorRunnerTest.scala index 4cb4ddc9cd..7e5aaa3f98 100644 --- a/core/src/test/scala/org/apache/spark/deploy/worker/ExecutorRunnerTest.scala +++ b/core/src/test/scala/org/apache/spark/deploy/worker/ExecutorRunnerTest.scala @@ -18,13 +18,15 @@ package org.apache.spark.deploy.worker import java.io.File + import org.scalatest.FunSuite + import org.apache.spark.deploy.{ExecutorState, Command, ApplicationDescription} class ExecutorRunnerTest extends FunSuite { test("command includes appId") { def f(s:String) = new File(s) - val sparkHome = sys.env("SPARK_HOME") + val sparkHome = sys.env.get("SPARK_HOME").orElse(sys.props.get("spark.home")).get val appDesc = new ApplicationDescription("app name", 8, 500, Command("foo", Seq(),Map()), sparkHome, "appUiUrl") val appId = "12345-worker321-9876" diff --git a/core/src/test/scala/org/apache/spark/io/CompressionCodecSuite.scala b/core/src/test/scala/org/apache/spark/io/CompressionCodecSuite.scala index ab81bfbe55..8d7546085f 100644 --- a/core/src/test/scala/org/apache/spark/io/CompressionCodecSuite.scala +++ b/core/src/test/scala/org/apache/spark/io/CompressionCodecSuite.scala @@ -20,9 +20,11 @@ package org.apache.spark.io import java.io.{ByteArrayInputStream, ByteArrayOutputStream} import org.scalatest.FunSuite +import org.apache.spark.SparkConf class CompressionCodecSuite extends FunSuite { + val conf = new SparkConf(false) def testCodec(codec: CompressionCodec) { // Write 1000 integers to the output stream, compressed. @@ -43,19 +45,19 @@ class CompressionCodecSuite extends FunSuite { } test("default compression codec") { - val codec = CompressionCodec.createCodec() + val codec = CompressionCodec.createCodec(conf) assert(codec.getClass === classOf[LZFCompressionCodec]) testCodec(codec) } test("lzf compression codec") { - val codec = CompressionCodec.createCodec(classOf[LZFCompressionCodec].getName) + val codec = CompressionCodec.createCodec(conf, classOf[LZFCompressionCodec].getName) assert(codec.getClass === classOf[LZFCompressionCodec]) testCodec(codec) } test("snappy compression codec") { - val codec = CompressionCodec.createCodec(classOf[SnappyCompressionCodec].getName) + val codec = CompressionCodec.createCodec(conf, classOf[SnappyCompressionCodec].getName) assert(codec.getClass === classOf[SnappyCompressionCodec]) testCodec(codec) } diff --git a/core/src/test/scala/org/apache/spark/metrics/MetricsSystemSuite.scala b/core/src/test/scala/org/apache/spark/metrics/MetricsSystemSuite.scala index 7181333adf..71a2c6c498 100644 --- a/core/src/test/scala/org/apache/spark/metrics/MetricsSystemSuite.scala +++ b/core/src/test/scala/org/apache/spark/metrics/MetricsSystemSuite.scala @@ -19,17 +19,19 @@ package org.apache.spark.metrics import org.scalatest.{BeforeAndAfter, FunSuite} import org.apache.spark.deploy.master.MasterSource +import org.apache.spark.SparkConf class MetricsSystemSuite extends FunSuite with BeforeAndAfter { var filePath: String = _ + var conf: SparkConf = null before { filePath = getClass.getClassLoader.getResource("test_metrics_system.properties").getFile() - System.setProperty("spark.metrics.conf", filePath) + conf = new SparkConf(false).set("spark.metrics.conf", filePath) } test("MetricsSystem with default config") { - val metricsSystem = MetricsSystem.createMetricsSystem("default") + val metricsSystem = MetricsSystem.createMetricsSystem("default", conf) val sources = metricsSystem.sources val sinks = metricsSystem.sinks @@ -39,7 +41,7 @@ class MetricsSystemSuite extends FunSuite with BeforeAndAfter { } test("MetricsSystem with sources add") { - val metricsSystem = MetricsSystem.createMetricsSystem("test") + val metricsSystem = MetricsSystem.createMetricsSystem("test", conf) val sources = metricsSystem.sources val sinks = metricsSystem.sinks diff --git a/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala b/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala index 57d3382ed0..5da538a1dd 100644 --- a/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala +++ b/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala @@ -19,6 +19,7 @@ package org.apache.spark.rdd import scala.collection.mutable.ArrayBuffer import scala.collection.mutable.HashSet +import scala.util.Random import org.scalatest.FunSuite @@ -109,6 +110,39 @@ class PairRDDFunctionsSuite extends FunSuite with SharedSparkContext { assert(deps.size === 2) // ShuffledRDD, ParallelCollection. } + test("countApproxDistinctByKey") { + def error(est: Long, size: Long) = math.abs(est - size) / size.toDouble + + /* Since HyperLogLog unique counting is approximate, and the relative standard deviation is + * only a statistical bound, the tests can fail for large values of relativeSD. We will be using + * relatively tight error bounds to check correctness of functionality rather than checking + * whether the approximation conforms with the requested bound. + */ + val relativeSD = 0.001 + + // For each value i, there are i tuples with first element equal to i. + // Therefore, the expected count for key i would be i. + val stacked = (1 to 100).flatMap(i => (1 to i).map(j => (i, j))) + val rdd1 = sc.parallelize(stacked) + val counted1 = rdd1.countApproxDistinctByKey(relativeSD).collect() + counted1.foreach{ + case(k, count) => assert(error(count, k) < relativeSD) + } + + val rnd = new Random() + + // The expected count for key num would be num + val randStacked = (1 to 100).flatMap { i => + val num = rnd.nextInt % 500 + (1 to num).map(j => (num, j)) + } + val rdd2 = sc.parallelize(randStacked) + val counted2 = rdd2.countApproxDistinctByKey(relativeSD, 4).collect() + counted2.foreach{ + case(k, count) => assert(error(count, k) < relativeSD) + } + } + test("join") { val rdd1 = sc.parallelize(Array((1, 1), (1, 2), (2, 1), (3, 1))) val rdd2 = sc.parallelize(Array((1, 'x'), (2, 'y'), (2, 'z'), (4, 'w'))) diff --git a/core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala b/core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala index d8dcd6d14c..559ea051d3 100644 --- a/core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala +++ b/core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala @@ -63,6 +63,19 @@ class RDDSuite extends FunSuite with SharedSparkContext { } } + test("countApproxDistinct") { + + def error(est: Long, size: Long) = math.abs(est - size) / size.toDouble + + val size = 100 + val uniformDistro = for (i <- 1 to 100000) yield i % size + val simpleRdd = sc.makeRDD(uniformDistro) + assert(error(simpleRdd.countApproxDistinct(0.2), size) < 0.2) + assert(error(simpleRdd.countApproxDistinct(0.05), size) < 0.05) + assert(error(simpleRdd.countApproxDistinct(0.01), size) < 0.01) + assert(error(simpleRdd.countApproxDistinct(0.001), size) < 0.001) + } + test("SparkContext.union") { val nums = sc.makeRDD(Array(1, 2, 3, 4), 2) assert(sc.union(nums).collect().toList === List(1, 2, 3, 4)) @@ -71,6 +84,33 @@ class RDDSuite extends FunSuite with SharedSparkContext { assert(sc.union(Seq(nums, nums)).collect().toList === List(1, 2, 3, 4, 1, 2, 3, 4)) } + test("partitioner aware union") { + import SparkContext._ + def makeRDDWithPartitioner(seq: Seq[Int]) = { + sc.makeRDD(seq, 1) + .map(x => (x, null)) + .partitionBy(new HashPartitioner(2)) + .mapPartitions(_.map(_._1), true) + } + + val nums1 = makeRDDWithPartitioner(1 to 4) + val nums2 = makeRDDWithPartitioner(5 to 8) + assert(nums1.partitioner == nums2.partitioner) + assert(new PartitionerAwareUnionRDD(sc, Seq(nums1)).collect().toSet === Set(1, 2, 3, 4)) + + val union = new PartitionerAwareUnionRDD(sc, Seq(nums1, nums2)) + assert(union.collect().toSet === Set(1, 2, 3, 4, 5, 6, 7, 8)) + val nums1Parts = nums1.collectPartitions() + val nums2Parts = nums2.collectPartitions() + val unionParts = union.collectPartitions() + assert(nums1Parts.length === 2) + assert(nums2Parts.length === 2) + assert(unionParts.length === 2) + assert((nums1Parts(0) ++ nums2Parts(0)).toList === unionParts(0).toList) + assert((nums1Parts(1) ++ nums2Parts(1)).toList === unionParts(1).toList) + assert(union.partitioner === nums1.partitioner) + } + test("aggregate") { val pairs = sc.makeRDD(Array(("a", 1), ("b", 2), ("a", 2), ("c", 5), ("a", 3))) type StringMap = HashMap[String, Int] diff --git a/core/src/test/scala/org/apache/spark/scheduler/ClusterSchedulerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/ClusterSchedulerSuite.scala index 702edb862f..7bf2020fe3 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/ClusterSchedulerSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/ClusterSchedulerSuite.scala @@ -167,7 +167,7 @@ class ClusterSchedulerSuite extends FunSuite with LocalSparkContext with Logging val xmlPath = getClass.getClassLoader.getResource("fairscheduler.xml").getFile() System.setProperty("spark.scheduler.allocation.file", xmlPath) val rootPool = new Pool("", SchedulingMode.FAIR, 0, 0) - val schedulableBuilder = new FairSchedulableBuilder(rootPool) + val schedulableBuilder = new FairSchedulableBuilder(rootPool, sc.conf) schedulableBuilder.buildPools() assert(rootPool.getSchedulableByName("default") != null) diff --git a/core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala index 706d84a58b..2aa259daf3 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala @@ -17,21 +17,14 @@ package org.apache.spark.scheduler -import scala.collection.mutable.{Map, HashMap} - -import org.scalatest.FunSuite -import org.scalatest.BeforeAndAfter - -import org.apache.spark.LocalSparkContext -import org.apache.spark.MapOutputTrackerMaster -import org.apache.spark.SparkContext -import org.apache.spark.Partition -import org.apache.spark.TaskContext -import org.apache.spark.{Dependency, ShuffleDependency, OneToOneDependency} -import org.apache.spark.{FetchFailed, Success, TaskEndReason} +import scala.Tuple2 +import scala.collection.mutable.{HashMap, Map} + +import org.apache.spark._ import org.apache.spark.rdd.RDD import org.apache.spark.scheduler.SchedulingMode.SchedulingMode import org.apache.spark.storage.{BlockId, BlockManagerId, BlockManagerMaster} +import org.scalatest.{BeforeAndAfter, FunSuite} /** * Tests for DAGScheduler. These tests directly call the event processing functions in DAGScheduler @@ -46,7 +39,7 @@ import org.apache.spark.storage.{BlockId, BlockManagerId, BlockManagerMaster} * and capturing the resulting TaskSets from the mock TaskScheduler. */ class DAGSchedulerSuite extends FunSuite with BeforeAndAfter with LocalSparkContext { - + val conf = new SparkConf /** Set of TaskSets the DAGScheduler has requested executed. */ val taskSets = scala.collection.mutable.Buffer[TaskSet]() val taskScheduler = new TaskScheduler() { @@ -74,7 +67,7 @@ class DAGSchedulerSuite extends FunSuite with BeforeAndAfter with LocalSparkCont */ val cacheLocations = new HashMap[(Int, Int), Seq[BlockManagerId]] // stub out BlockManagerMaster.getLocations to use our cacheLocations - val blockManagerMaster = new BlockManagerMaster(null) { + val blockManagerMaster = new BlockManagerMaster(null, conf) { override def getLocations(blockIds: Array[BlockId]): Seq[Seq[BlockManagerId]] = { blockIds.map { _.asRDDId.map(id => (id.rddId -> id.splitIndex)).flatMap(key => cacheLocations.get(key)). @@ -99,7 +92,7 @@ class DAGSchedulerSuite extends FunSuite with BeforeAndAfter with LocalSparkCont taskSets.clear() cacheLocations.clear() results.clear() - mapOutputTracker = new MapOutputTrackerMaster() + mapOutputTracker = new MapOutputTrackerMaster(conf) scheduler = new DAGScheduler(taskScheduler, mapOutputTracker, blockManagerMaster, sc.env) { override def runLocally(job: ActiveJob) { // don't bother with the thread while unit testing diff --git a/core/src/test/scala/org/apache/spark/scheduler/JobLoggerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/JobLoggerSuite.scala index 002368ff55..5cc48ee00a 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/JobLoggerSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/JobLoggerSuite.scala @@ -95,7 +95,7 @@ class JobLoggerSuite extends FunSuite with LocalSparkContext with ShouldMatchers assert(sc.dagScheduler.listenerBus.waitUntilEmpty(WAIT_TIMEOUT_MILLIS)) - val user = System.getProperty("user.name", SparkContext.SPARK_UNKNOWN_USER) + val user = System.getProperty("user.name", SparkContext.SPARK_UNKNOWN_USER) joblogger.getLogDir should be ("/tmp/spark-%s".format(user)) joblogger.getJobIDtoPrintWriter.size should be (1) @@ -117,7 +117,7 @@ class JobLoggerSuite extends FunSuite with LocalSparkContext with ShouldMatchers override def onTaskEnd(taskEnd: SparkListenerTaskEnd) = onTaskEndCount += 1 override def onJobEnd(jobEnd: SparkListenerJobEnd) = onJobEndCount += 1 override def onJobStart(jobStart: SparkListenerJobStart) = onJobStartCount += 1 - override def onStageCompleted(stageCompleted: StageCompleted) = onStageCompletedCount += 1 + override def onStageCompleted(stageCompleted: SparkListenerStageCompleted) = onStageCompletedCount += 1 override def onStageSubmitted(stageSubmitted: SparkListenerStageSubmitted) = onStageSubmittedCount += 1 } sc.addSparkListener(joblogger) diff --git a/core/src/test/scala/org/apache/spark/scheduler/SparkListenerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/SparkListenerSuite.scala index d4320e5e14..1a16e438c4 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/SparkListenerSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/SparkListenerSuite.scala @@ -174,7 +174,7 @@ class SparkListenerSuite extends FunSuite with LocalSparkContext with ShouldMatc class SaveStageInfo extends SparkListener { val stageInfos = Buffer[StageInfo]() - override def onStageCompleted(stage: StageCompleted) { + override def onStageCompleted(stage: SparkListenerStageCompleted) { stageInfos += stage.stage } } diff --git a/core/src/test/scala/org/apache/spark/scheduler/TaskResultGetterSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/TaskResultGetterSuite.scala index ca97f7d2a5..4b52d9651e 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/TaskResultGetterSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/TaskResultGetterSuite.scala @@ -21,7 +21,7 @@ import java.nio.ByteBuffer import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll, FunSuite} -import org.apache.spark.{LocalSparkContext, SparkContext, SparkEnv} +import org.apache.spark.{LocalSparkContext, SparkConf, SparkContext, SparkEnv} import org.apache.spark.storage.TaskResultBlockId /** @@ -43,13 +43,13 @@ class ResultDeletingTaskResultGetter(sparkEnv: SparkEnv, scheduler: TaskSchedule case IndirectTaskResult(blockId) => sparkEnv.blockManager.master.removeBlock(blockId) case directResult: DirectTaskResult[_] => - taskSetManager.abort("Internal error: expect only indirect results") + taskSetManager.abort("Internal error: expect only indirect results") } serializedData.rewind() removedResult = true } super.enqueueSuccessfulTask(taskSetManager, tid, serializedData) - } + } } /** diff --git a/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala b/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala index 3dcb01ae5e..1eec6726f4 100644 --- a/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala +++ b/core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala @@ -81,7 +81,9 @@ class FakeClusterScheduler(sc: SparkContext, liveExecutors: (String, String)* /* class TaskSetManagerSuite extends FunSuite with LocalSparkContext with Logging { import TaskLocality.{ANY, PROCESS_LOCAL, NODE_LOCAL, RACK_LOCAL} - val LOCALITY_WAIT = System.getProperty("spark.locality.wait", "3000").toLong + private val conf = new SparkConf + + val LOCALITY_WAIT = conf.get("spark.locality.wait", "3000").toLong val MAX_TASK_FAILURES = 4 test("TaskSet with no preferences") { diff --git a/core/src/test/scala/org/apache/spark/serializer/KryoSerializerSuite.scala b/core/src/test/scala/org/apache/spark/serializer/KryoSerializerSuite.scala index c016c51171..3898583275 100644 --- a/core/src/test/scala/org/apache/spark/serializer/KryoSerializerSuite.scala +++ b/core/src/test/scala/org/apache/spark/serializer/KryoSerializerSuite.scala @@ -22,12 +22,15 @@ import scala.collection.mutable import com.esotericsoftware.kryo.Kryo import org.scalatest.FunSuite -import org.apache.spark.SharedSparkContext +import org.apache.spark.{SparkConf, SharedSparkContext} import org.apache.spark.serializer.KryoTest._ class KryoSerializerSuite extends FunSuite with SharedSparkContext { + conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer") + conf.set("spark.kryo.registrator", classOf[MyRegistrator].getName) + test("basic types") { - val ser = (new KryoSerializer).newInstance() + val ser = new KryoSerializer(conf).newInstance() def check[T](t: T) { assert(ser.deserialize[T](ser.serialize(t)) === t) } @@ -57,7 +60,7 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { } test("pairs") { - val ser = (new KryoSerializer).newInstance() + val ser = new KryoSerializer(conf).newInstance() def check[T](t: T) { assert(ser.deserialize[T](ser.serialize(t)) === t) } @@ -81,7 +84,7 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { } test("Scala data structures") { - val ser = (new KryoSerializer).newInstance() + val ser = new KryoSerializer(conf).newInstance() def check[T](t: T) { assert(ser.deserialize[T](ser.serialize(t)) === t) } @@ -104,7 +107,7 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { } test("ranges") { - val ser = (new KryoSerializer).newInstance() + val ser = new KryoSerializer(conf).newInstance() def check[T](t: T) { assert(ser.deserialize[T](ser.serialize(t)) === t) // Check that very long ranges don't get written one element at a time @@ -125,9 +128,7 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { } test("custom registrator") { - System.setProperty("spark.kryo.registrator", classOf[MyRegistrator].getName) - - val ser = (new KryoSerializer).newInstance() + val ser = new KryoSerializer(conf).newInstance() def check[T](t: T) { assert(ser.deserialize[T](ser.serialize(t)) === t) } @@ -172,6 +173,10 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { assert (sc.parallelize( Array((1, 11), (2, 22), (3, 33)) ).collect().head === (1, 11)) } + test("kryo with SerializableHyperLogLog") { + assert(sc.parallelize( Array(1, 2, 3, 2, 3, 3, 2, 3, 1) ).countApproxDistinct(0.01) === 3) + } + test("kryo with reduce") { val control = 1 :: 2 :: Nil val result = sc.parallelize(control, 2).map(new ClassWithoutNoArgConstructor(_)) @@ -186,18 +191,6 @@ class KryoSerializerSuite extends FunSuite with SharedSparkContext { .fold(new ClassWithoutNoArgConstructor(10))((t1, t2) => new ClassWithoutNoArgConstructor(t1.x + t2.x)).x assert(10 + control.sum === result) } - - override def beforeAll() { - System.setProperty("spark.serializer", "org.apache.spark.serializer.KryoSerializer") - System.setProperty("spark.kryo.registrator", classOf[MyRegistrator].getName) - super.beforeAll() - } - - override def afterAll() { - super.afterAll() - System.clearProperty("spark.kryo.registrator") - System.clearProperty("spark.serializer") - } } object KryoTest { diff --git a/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala b/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala index 5b4d63b954..a0fc3445be 100644 --- a/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala +++ b/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala @@ -31,8 +31,10 @@ import org.scalatest.time.SpanSugar._ import org.apache.spark.util.{SizeEstimator, Utils, AkkaUtils, ByteBufferInputStream} import org.apache.spark.serializer.{JavaSerializer, KryoSerializer} +import org.apache.spark.{SparkConf, SparkContext} class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodTester { + private val conf = new SparkConf(false) var store: BlockManager = null var store2: BlockManager = null var actorSystem: ActorSystem = null @@ -42,30 +44,31 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT var oldHeartBeat: String = null // Reuse a serializer across tests to avoid creating a new thread-local buffer on each test - System.setProperty("spark.kryoserializer.buffer.mb", "1") - val serializer = new KryoSerializer + conf.set("spark.kryoserializer.buffer.mb", "1") + val serializer = new KryoSerializer(conf) // Implicitly convert strings to BlockIds for test clarity. implicit def StringToBlockId(value: String): BlockId = new TestBlockId(value) def rdd(rddId: Int, splitId: Int) = RDDBlockId(rddId, splitId) before { - val (actorSystem, boundPort) = AkkaUtils.createActorSystem("test", "localhost", 0) + val (actorSystem, boundPort) = AkkaUtils.createActorSystem("test", "localhost", 0, conf = conf) this.actorSystem = actorSystem - System.setProperty("spark.driver.port", boundPort.toString) - System.setProperty("spark.hostPort", "localhost:" + boundPort) + conf.set("spark.driver.port", boundPort.toString) + conf.set("spark.hostPort", "localhost:" + boundPort) master = new BlockManagerMaster( - Left(actorSystem.actorOf(Props(new BlockManagerMasterActor(true))))) + Left(actorSystem.actorOf(Props(new BlockManagerMasterActor(true, conf)))), conf) // Set the arch to 64-bit and compressedOops to true to get a deterministic test-case - oldArch = System.setProperty("os.arch", "amd64") - oldOops = System.setProperty("spark.test.useCompressedOops", "true") - oldHeartBeat = System.setProperty("spark.storage.disableBlockManagerHeartBeat", "true") + System.setProperty("os.arch", "amd64") + conf.set("os.arch", "amd64") + conf.set("spark.test.useCompressedOops", "true") + conf.set("spark.storage.disableBlockManagerHeartBeat", "true") val initialize = PrivateMethod[Unit]('initialize) SizeEstimator invokePrivate initialize() // Set some value ... - System.setProperty("spark.hostPort", Utils.localHostName() + ":" + 1111) + conf.set("spark.hostPort", Utils.localHostName() + ":" + 1111) } after { @@ -86,13 +89,13 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT master = null if (oldArch != null) { - System.setProperty("os.arch", oldArch) + conf.set("os.arch", oldArch) } else { System.clearProperty("os.arch") } if (oldOops != null) { - System.setProperty("spark.test.useCompressedOops", oldOops) + conf.set("spark.test.useCompressedOops", oldOops) } else { System.clearProperty("spark.test.useCompressedOops") } @@ -133,7 +136,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("master + 1 manager interaction") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -163,8 +166,8 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("master + 2 managers interaction") { - store = new BlockManager("exec1", actorSystem, master, serializer, 2000) - store2 = new BlockManager("exec2", actorSystem, master, new KryoSerializer, 2000) + store = new BlockManager("exec1", actorSystem, master, serializer, 2000, conf) + store2 = new BlockManager("exec2", actorSystem, master, new KryoSerializer(conf), 2000, conf) val peers = master.getPeers(store.blockManagerId, 1) assert(peers.size === 1, "master did not return the other manager as a peer") @@ -179,7 +182,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("removing block") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -227,7 +230,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("removing rdd") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -261,7 +264,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT test("reregistration on heart beat") { val heartBeat = PrivateMethod[Unit]('heartBeat) - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) store.putSingle("a1", a1, StorageLevel.MEMORY_ONLY) @@ -277,7 +280,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("reregistration on block update") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) @@ -296,7 +299,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT test("reregistration doesn't dead lock") { val heartBeat = PrivateMethod[Unit]('heartBeat) - store = new BlockManager("<driver>", actorSystem, master, serializer, 2000) + store = new BlockManager("<driver>", actorSystem, master, serializer, 2000, conf) val a1 = new Array[Byte](400) val a2 = List(new Array[Byte](400)) @@ -333,7 +336,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("in-memory LRU storage") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -352,7 +355,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("in-memory LRU storage with serialization") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -371,7 +374,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("in-memory LRU for partitions of same RDD") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -390,7 +393,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("in-memory LRU for partitions of multiple RDDs") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) store.putSingle(rdd(0, 1), new Array[Byte](400), StorageLevel.MEMORY_ONLY) store.putSingle(rdd(0, 2), new Array[Byte](400), StorageLevel.MEMORY_ONLY) store.putSingle(rdd(1, 1), new Array[Byte](400), StorageLevel.MEMORY_ONLY) @@ -413,7 +416,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("on-disk storage") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -426,7 +429,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("disk and memory storage") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -441,7 +444,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("disk and memory storage with getLocalBytes") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -456,7 +459,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("disk and memory storage with serialization") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -471,7 +474,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("disk and memory storage with serialization and getLocalBytes") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -486,7 +489,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("LRU with mixed storage levels") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val a1 = new Array[Byte](400) val a2 = new Array[Byte](400) val a3 = new Array[Byte](400) @@ -511,7 +514,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("in-memory LRU with streams") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val list1 = List(new Array[Byte](200), new Array[Byte](200)) val list2 = List(new Array[Byte](200), new Array[Byte](200)) val list3 = List(new Array[Byte](200), new Array[Byte](200)) @@ -535,7 +538,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("LRU with mixed storage levels and streams") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, serializer, 1200, conf) val list1 = List(new Array[Byte](200), new Array[Byte](200)) val list2 = List(new Array[Byte](200), new Array[Byte](200)) val list3 = List(new Array[Byte](200), new Array[Byte](200)) @@ -581,7 +584,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT } test("overly large block") { - store = new BlockManager("<driver>", actorSystem, master, serializer, 500) + store = new BlockManager("<driver>", actorSystem, master, serializer, 500, conf) store.putSingle("a1", new Array[Byte](1000), StorageLevel.MEMORY_ONLY) assert(store.getSingle("a1") === None, "a1 was in store") store.putSingle("a2", new Array[Byte](1000), StorageLevel.MEMORY_AND_DISK) @@ -591,53 +594,53 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT test("block compression") { try { - System.setProperty("spark.shuffle.compress", "true") - store = new BlockManager("exec1", actorSystem, master, serializer, 2000) + conf.set("spark.shuffle.compress", "true") + store = new BlockManager("exec1", actorSystem, master, serializer, 2000, conf) store.putSingle(ShuffleBlockId(0, 0, 0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(ShuffleBlockId(0, 0, 0)) <= 100, "shuffle_0_0_0 was not compressed") store.stop() store = null - System.setProperty("spark.shuffle.compress", "false") - store = new BlockManager("exec2", actorSystem, master, serializer, 2000) + conf.set("spark.shuffle.compress", "false") + store = new BlockManager("exec2", actorSystem, master, serializer, 2000, conf) store.putSingle(ShuffleBlockId(0, 0, 0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(ShuffleBlockId(0, 0, 0)) >= 1000, "shuffle_0_0_0 was compressed") store.stop() store = null - System.setProperty("spark.broadcast.compress", "true") - store = new BlockManager("exec3", actorSystem, master, serializer, 2000) + conf.set("spark.broadcast.compress", "true") + store = new BlockManager("exec3", actorSystem, master, serializer, 2000, conf) store.putSingle(BroadcastBlockId(0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(BroadcastBlockId(0)) <= 100, "broadcast_0 was not compressed") store.stop() store = null - System.setProperty("spark.broadcast.compress", "false") - store = new BlockManager("exec4", actorSystem, master, serializer, 2000) + conf.set("spark.broadcast.compress", "false") + store = new BlockManager("exec4", actorSystem, master, serializer, 2000, conf) store.putSingle(BroadcastBlockId(0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(BroadcastBlockId(0)) >= 1000, "broadcast_0 was compressed") store.stop() store = null - System.setProperty("spark.rdd.compress", "true") - store = new BlockManager("exec5", actorSystem, master, serializer, 2000) + conf.set("spark.rdd.compress", "true") + store = new BlockManager("exec5", actorSystem, master, serializer, 2000, conf) store.putSingle(rdd(0, 0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(rdd(0, 0)) <= 100, "rdd_0_0 was not compressed") store.stop() store = null - System.setProperty("spark.rdd.compress", "false") - store = new BlockManager("exec6", actorSystem, master, serializer, 2000) + conf.set("spark.rdd.compress", "false") + store = new BlockManager("exec6", actorSystem, master, serializer, 2000, conf) store.putSingle(rdd(0, 0), new Array[Byte](1000), StorageLevel.MEMORY_ONLY_SER) assert(store.memoryStore.getSize(rdd(0, 0)) >= 1000, "rdd_0_0 was compressed") store.stop() store = null // Check that any other block types are also kept uncompressed - store = new BlockManager("exec7", actorSystem, master, serializer, 2000) + store = new BlockManager("exec7", actorSystem, master, serializer, 2000, conf) store.putSingle("other_block", new Array[Byte](1000), StorageLevel.MEMORY_ONLY) assert(store.memoryStore.getSize("other_block") >= 1000, "other_block was compressed") store.stop() @@ -651,7 +654,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT test("block store put failure") { // Use Java serializer so we can create an unserializable error. - store = new BlockManager("<driver>", actorSystem, master, new JavaSerializer, 1200) + store = new BlockManager("<driver>", actorSystem, master, new JavaSerializer(conf), 1200, conf) // The put should fail since a1 is not serializable. class UnserializableClass diff --git a/core/src/test/scala/org/apache/spark/storage/DiskBlockManagerSuite.scala b/core/src/test/scala/org/apache/spark/storage/DiskBlockManagerSuite.scala index 070982e798..af4b31d53c 100644 --- a/core/src/test/scala/org/apache/spark/storage/DiskBlockManagerSuite.scala +++ b/core/src/test/scala/org/apache/spark/storage/DiskBlockManagerSuite.scala @@ -17,15 +17,18 @@ package org.apache.spark.storage -import java.io.{FileWriter, File} +import java.io.{File, FileWriter} import scala.collection.mutable import com.google.common.io.Files +import org.apache.spark.SparkConf import org.scalatest.{BeforeAndAfterAll, BeforeAndAfterEach, FunSuite} +import scala.util.Try +import akka.actor.{Props, ActorSelection, ActorSystem} -class DiskBlockManagerSuite extends FunSuite with BeforeAndAfterEach with BeforeAndAfterAll { - +class DiskBlockManagerSuite extends FunSuite with BeforeAndAfterEach { + private val testConf = new SparkConf(false) val rootDir0 = Files.createTempDir() rootDir0.deleteOnExit() val rootDir1 = Files.createTempDir() @@ -35,21 +38,16 @@ class DiskBlockManagerSuite extends FunSuite with BeforeAndAfterEach with Before // This suite focuses primarily on consolidation features, // so we coerce consolidation if not already enabled. - val consolidateProp = "spark.shuffle.consolidateFiles" - val oldConsolidate = Option(System.getProperty(consolidateProp)) - System.setProperty(consolidateProp, "true") + testConf.set("spark.shuffle.consolidateFiles", "true") val shuffleBlockManager = new ShuffleBlockManager(null) { + override def conf = testConf.clone var idToSegmentMap = mutable.Map[ShuffleBlockId, FileSegment]() override def getBlockLocation(id: ShuffleBlockId) = idToSegmentMap(id) } var diskBlockManager: DiskBlockManager = _ - override def afterAll() { - oldConsolidate.map(c => System.setProperty(consolidateProp, c)) - } - override def beforeEach() { diskBlockManager = new DiskBlockManager(shuffleBlockManager, rootDirs) shuffleBlockManager.idToSegmentMap.clear() diff --git a/core/src/test/scala/org/apache/spark/util/SizeEstimatorSuite.scala b/core/src/test/scala/org/apache/spark/util/SizeEstimatorSuite.scala index 5aff26f9fc..11ebdc352b 100644 --- a/core/src/test/scala/org/apache/spark/util/SizeEstimatorSuite.scala +++ b/core/src/test/scala/org/apache/spark/util/SizeEstimatorSuite.scala @@ -20,6 +20,7 @@ package org.apache.spark.util import org.scalatest.FunSuite import org.scalatest.BeforeAndAfterAll import org.scalatest.PrivateMethodTester +import org.apache.spark.SparkContext class DummyClass1 {} @@ -139,7 +140,6 @@ class SizeEstimatorSuite test("64-bit arch with no compressed oops") { val arch = System.setProperty("os.arch", "amd64") val oops = System.setProperty("spark.test.useCompressedOops", "false") - val initialize = PrivateMethod[Unit]('initialize) SizeEstimator invokePrivate initialize() diff --git a/kmeans_data.txt b/data/kmeans_data.txt index 338664f78d..338664f78d 100644 --- a/kmeans_data.txt +++ b/data/kmeans_data.txt diff --git a/lr_data.txt b/data/lr_data.txt index d4df0634e0..d4df0634e0 100644 --- a/lr_data.txt +++ b/data/lr_data.txt diff --git a/pagerank_data.txt b/data/pagerank_data.txt index 95755ab8f5..95755ab8f5 100644 --- a/pagerank_data.txt +++ b/data/pagerank_data.txt diff --git a/docs/README.md b/docs/README.md index dfcf753553..e3d6c9a5bc 100644 --- a/docs/README.md +++ b/docs/README.md @@ -27,10 +27,10 @@ To mark a block of code in your markdown to be syntax highlighted by jekyll duri ## API Docs (Scaladoc and Epydoc) -You can build just the Spark scaladoc by running `sbt/sbt doc` from the SPARK_PROJECT_ROOT directory. +You can build just the Spark scaladoc by running `sbt doc` from the SPARK_PROJECT_ROOT directory. Similarly, you can build just the PySpark epydoc by running `epydoc --config epydoc.conf` from the SPARK_PROJECT_ROOT/pyspark directory. -When you run `jekyll` in the docs directory, it will also copy over the scaladoc for the various Spark subprojects into the docs directory (and then also into the _site directory). We use a jekyll plugin to run `sbt/sbt doc` before building the site so if you haven't run it (recently) it may take some time as it generates all of the scaladoc. The jekyll plugin also generates the PySpark docs using [epydoc](http://epydoc.sourceforge.net/). +When you run `jekyll` in the docs directory, it will also copy over the scaladoc for the various Spark subprojects into the docs directory (and then also into the _site directory). We use a jekyll plugin to run `sbt doc` before building the site so if you haven't run it (recently) it may take some time as it generates all of the scaladoc. The jekyll plugin also generates the PySpark docs using [epydoc](http://epydoc.sourceforge.net/). NOTE: To skip the step of building and copying over the Scala and Python API docs, run `SKIP_API=1 jekyll`. diff --git a/docs/_config.yml b/docs/_config.yml index 02067f9750..11d18f0ac2 100644 --- a/docs/_config.yml +++ b/docs/_config.yml @@ -4,7 +4,7 @@ markdown: kramdown # These allow the documentation to be updated with nerw releases # of Spark, Scala, and Mesos. SPARK_VERSION: 0.9.0-incubating-SNAPSHOT -SPARK_VERSION_SHORT: 0.9.0-SNAPSHOT +SPARK_VERSION_SHORT: 0.9.0 SCALA_VERSION: 2.10 MESOS_VERSION: 0.13.0 SPARK_ISSUE_TRACKER_URL: https://spark-project.atlassian.net diff --git a/docs/_plugins/copy_api_dirs.rb b/docs/_plugins/copy_api_dirs.rb index 431de909cb..ef9912c808 100644 --- a/docs/_plugins/copy_api_dirs.rb +++ b/docs/_plugins/copy_api_dirs.rb @@ -26,8 +26,8 @@ if not (ENV['SKIP_API'] == '1' or ENV['SKIP_SCALADOC'] == '1') curr_dir = pwd cd("..") - puts "Running sbt/sbt doc from " + pwd + "; this may take a few minutes..." - puts `sbt/sbt doc` + puts "Running sbt doc from " + pwd + "; this may take a few minutes..." + puts `sbt doc` puts "Moving back into docs dir." cd("docs") diff --git a/docs/api.md b/docs/api.md index e86d07770a..11e2c15324 100644 --- a/docs/api.md +++ b/docs/api.md @@ -3,7 +3,7 @@ layout: global title: Spark API documentation (Scaladoc) --- -Here you can find links to the Scaladoc generated for the Spark sbt subprojects. If the following links don't work, try running `sbt/sbt doc` from the Spark project home directory. +Here you can find links to the Scaladoc generated for the Spark sbt subprojects. If the following links don't work, try running `sbt doc` from the Spark project home directory. - [Spark](api/core/index.html) - [Spark Examples](api/examples/index.html) diff --git a/docs/bagel-programming-guide.md b/docs/bagel-programming-guide.md index de001e6c52..c4f1f6d6ad 100644 --- a/docs/bagel-programming-guide.md +++ b/docs/bagel-programming-guide.md @@ -157,8 +157,8 @@ trait Message[K] { # Where to Go from Here -Two example jobs, PageRank and shortest path, are included in `examples/src/main/scala/org/apache/spark/examples/bagel`. You can run them by passing the class name to the `run-example` script included in Spark; e.g.: +Two example jobs, PageRank and shortest path, are included in `examples/src/main/scala/org/apache/spark/examples/bagel`. You can run them by passing the class name to the `bin/run-example` script included in Spark; e.g.: - ./run-example org.apache.spark.examples.bagel.WikipediaPageRank + ./bin/run-example org.apache.spark.examples.bagel.WikipediaPageRank Each example program prints usage help when run without any arguments. diff --git a/docs/building-with-maven.md b/docs/building-with-maven.md index c709001632..b9ff0af76f 100644 --- a/docs/building-with-maven.md +++ b/docs/building-with-maven.md @@ -37,20 +37,16 @@ For Apache Hadoop versions 1.x, Cloudera CDH MRv1, and other Hadoop versions wit # Cloudera CDH 4.2.0 with MapReduce v1 $ mvn -Dhadoop.version=2.0.0-mr1-cdh4.2.0 -DskipTests clean package -For Apache Hadoop 2.x, 0.23.x, Cloudera CDH MRv2, and other Hadoop versions with YARN, you should enable the "hadoop2-yarn" profile and set the "yarn.version" property: +For Apache Hadoop 2.x, 0.23.x, Cloudera CDH MRv2, and other Hadoop versions with YARN, you should enable the "yarn-alpha" or "yarn" profile and set the "hadoop.version", "yarn.version" property: # Apache Hadoop 2.0.5-alpha - $ mvn -Phadoop2-yarn -Dhadoop.version=2.0.5-alpha -Dyarn.version=2.0.5-alpha -DskipTests clean package + $ mvn -Pyarn-alpha -Dhadoop.version=2.0.5-alpha -Dyarn.version=2.0.5-alpha -DskipTests clean package # Cloudera CDH 4.2.0 with MapReduce v2 - $ mvn -Phadoop2-yarn -Dhadoop.version=2.0.0-cdh4.2.0 -Dyarn.version=2.0.0-chd4.2.0 -DskipTests clean package + $ mvn -Pyarn-alpha -Dhadoop.version=2.0.0-cdh4.2.0 -Dyarn.version=2.0.0-chd4.2.0 -DskipTests clean package -Hadoop versions 2.2.x and newer can be built by setting the ```new-yarn``` and the ```yarn.version``` as follows: - - # Apache Hadoop 2.2.X and newer - $ mvn -Dyarn.version=2.2.0 -Dhadoop.version=2.2.0 -Pnew-yarn - -The build process handles Hadoop 2.2.x as a special case that uses the directory ```new-yarn```, which supports the new YARN API. Furthermore, for this version, the build depends on artifacts published by the spark-project to enable Akka 2.0.5 to work with protobuf 2.5. + # Apache Hadoop 2.2.X ( e.g. 2.2.0 as below ) and newer + $ mvn -Pyarn -Dhadoop.version=2.2.0 -Dyarn.version=2.2.0 -DskipTests clean package ## Spark Tests in Maven ## diff --git a/docs/configuration.md b/docs/configuration.md index 677d182e50..09342fedfc 100644 --- a/docs/configuration.md +++ b/docs/configuration.md @@ -3,26 +3,37 @@ layout: global title: Spark Configuration --- -Spark provides three main locations to configure the system: +Spark provides three locations to configure the system: -* [Java system properties](#system-properties), which control internal configuration parameters and can be set - either programmatically (by calling `System.setProperty` *before* creating a `SparkContext`) or through - JVM arguments. -* [Environment variables](#environment-variables) for configuring per-machine settings such as the IP address, - which can be set in the `conf/spark-env.sh` script. -* [Logging configuration](#configuring-logging), which is done through `log4j.properties`. +* [Spark properties](#spark-properties) control most application parameters and can be set by passing + a [SparkConf](api/core/index.html#org.apache.spark.SparkConf) object to SparkContext, or through Java + system properties. +* [Environment variables](#environment-variables) can be used to set per-machine settings, such as + the IP address, through the `conf/spark-env.sh` script on each node. +* [Logging](#configuring-logging) can be configured through `log4j.properties`. -# System Properties +# Spark Properties -To set a system property for configuring Spark, you need to either pass it with a -D flag to the JVM (for example `java -Dspark.cores.max=5 MyProgram`) or call `System.setProperty` in your code *before* creating your Spark context, as follows: +Spark properties control most application settings and are configured separately for each application. +The preferred way to set them is by passing a [SparkConf](api/core/index.html#org.apache.spark.SparkConf) +class to your SparkContext constructor. +Alternatively, Spark will also load them from Java system properties (for compatibility with old versions +of Spark) and from a [`spark.conf` file](#configuration-files) on your classpath. + +SparkConf lets you configure most of the common properties to initialize a cluster (e.g., master URL and +application name), as well as arbitrary key-value pairs through the `set()` method. For example, we could +initialize an application as follows: {% highlight scala %} -System.setProperty("spark.cores.max", "5") -val sc = new SparkContext(...) +val conf = new SparkConf() + .setMaster("local") + .setAppName("My application") + .set("spark.executor.memory", "1g") +val sc = new SparkContext(conf) {% endhighlight %} -Most of the configurable system properties control internal settings that have reasonable default values. However, +Most of the properties control internal settings that have reasonable default values. However, there are at least five properties that you will commonly want to control: <table class="table"> @@ -70,7 +81,8 @@ there are at least five properties that you will commonly want to control: <td> When running on a <a href="spark-standalone.html">standalone deploy cluster</a> or a <a href="running-on-mesos.html#mesos-run-modes">Mesos cluster in "coarse-grained" - sharing mode</a>, how many CPU cores to request at most. The default will use all available cores + sharing mode</a>, the maximum amount of CPU cores to request for the application from + across the cluster (not from each machine). The default will use all available cores offered by the cluster manager. </td> </tr> @@ -385,11 +397,40 @@ Apart from these, the following properties are also available, and may be useful </tr> </table> +## Viewing Spark Properties + +The application web UI at `http://<driver>:4040` lists Spark properties in the "Environment" tab. +This is a useful place to check to make sure that your properties have been set correctly. + +## Configuration Files + +You can also configure Spark properties through a `spark.conf` file on your Java classpath. +Because these properties are usually application-specific, we recommend putting this fine *only* on your +application's classpath, and not in a global Spark classpath. + +The `spark.conf` file uses Typesafe Config's [HOCON format](https://github.com/typesafehub/config#json-superset), +which is a superset of Java properties files and JSON. For example, the following is a simple config file: + +{% highlight awk %} +# Comments are allowed +spark.executor.memory = 512m +spark.serializer = org.apache.spark.serializer.KryoSerializer +{% endhighlight %} + +The format also allows hierarchical nesting, as follows: + +{% highlight awk %} +spark.akka { + threads = 8 + timeout = 200 +} +{% endhighlight %} + # Environment Variables -Certain Spark settings can also be configured through environment variables, which are read from the `conf/spark-env.sh` +Certain Spark settings can be configured through environment variables, which are read from the `conf/spark-env.sh` script in the directory where Spark is installed (or `conf/spark-env.cmd` on Windows). These variables are meant to be for machine-specific settings, such -as library search paths. While Java system properties can also be set here, for application settings, we recommend setting +as library search paths. While Spark properties can also be set there through `SPARK_JAVA_OPTS`, for per-application settings, we recommend setting these properties within the application instead of in `spark-env.sh` so that different applications can use different settings. @@ -406,7 +447,8 @@ The following variables can be set in `spark-env.sh`: Note that applications can also add dependencies for themselves through `SparkContext.addJar` -- we recommend doing that when possible. * `SPARK_JAVA_OPTS`, to add JVM options. This includes Java options like garbage collector settings and any system - properties that you'd like to pass with `-D` (e.g., `-Dspark.local.dir=/disk1,/disk2`). + properties that you'd like to pass with `-D`. One use case is to set some Spark properties differently on this + machine, e.g., `-Dspark.local.dir=/disk1,/disk2`. * Options for the Spark [standalone cluster scripts](spark-standalone.html#cluster-launch-scripts), such as number of cores to use on each machine and maximum memory. diff --git a/docs/css/bootstrap.min.css b/docs/css/bootstrap.min.css index ccb529eaba..119bb5dba7 100644 --- a/docs/css/bootstrap.min.css +++ b/docs/css/bootstrap.min.css @@ -6,4 +6,4 @@ * http://www.apache.org/licenses/LICENSE-2.0 * * Designed and built with all the love in the world @twitter by @mdo and @fat. - */article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:focus{outline:thin dotted #333;outline:5px auto 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b/docs/hadoop-third-party-distributions.md index de6a2b0a43..141d475ba6 100644 --- a/docs/hadoop-third-party-distributions.md +++ b/docs/hadoop-third-party-distributions.md @@ -12,7 +12,7 @@ with these distributions: When compiling Spark, you'll need to [set the SPARK_HADOOP_VERSION flag](index.html#a-note-about-hadoop-versions): - SPARK_HADOOP_VERSION=1.0.4 sbt/sbt assembly + SPARK_HADOOP_VERSION=1.0.4 sbt assembly The table below lists the corresponding `SPARK_HADOOP_VERSION` code for each CDH/HDP release. Note that some Hadoop releases are binary compatible across client versions. This means the pre-built Spark diff --git a/docs/index.md b/docs/index.md index d3ac696d1e..bf8d1c3375 100644 --- a/docs/index.md +++ b/docs/index.md @@ -17,16 +17,16 @@ Spark runs on both Windows and UNIX-like systems (e.g. Linux, Mac OS). All you n Spark uses [Simple Build Tool](http://www.scala-sbt.org), which is bundled with it. To compile the code, go into the top-level Spark directory and run - sbt/sbt assembly + sbt assembly For its Scala API, Spark {{site.SPARK_VERSION}} depends on Scala {{site.SCALA_VERSION}}. If you write applications in Scala, you will need to use this same version of Scala in your own program -- newer major versions may not work. You can get the right version of Scala from [scala-lang.org](http://www.scala-lang.org/download/). # Running the Examples and Shell Spark comes with several sample programs in the `examples` directory. -To run one of the samples, use `./run-example <class> <params>` in the top-level Spark directory -(the `run-example` script sets up the appropriate paths and launches that program). -For example, try `./run-example org.apache.spark.examples.SparkPi local`. +To run one of the samples, use `./bin/run-example <class> <params>` in the top-level Spark directory +(the `bin/run-example` script sets up the appropriate paths and launches that program). +For example, try `./bin/run-example org.apache.spark.examples.SparkPi local`. Each example prints usage help when run with no parameters. Note that all of the sample programs take a `<master>` parameter specifying the cluster URL @@ -34,8 +34,8 @@ to connect to. This can be a [URL for a distributed cluster](scala-programming-g or `local` to run locally with one thread, or `local[N]` to run locally with N threads. You should start by using `local` for testing. -Finally, you can run Spark interactively through modified versions of the Scala shell (`./spark-shell`) or -Python interpreter (`./pyspark`). These are a great way to learn the framework. +Finally, you can run Spark interactively through modified versions of the Scala shell (`./bin/spark-shell`) or +Python interpreter (`./bin/pyspark`). These are a great way to learn the framework. # Launching on a Cluster @@ -56,12 +56,12 @@ Hadoop, you must build Spark against the same version that your cluster uses. By default, Spark links to Hadoop 1.0.4. You can change this by setting the `SPARK_HADOOP_VERSION` variable when compiling: - SPARK_HADOOP_VERSION=2.2.0 sbt/sbt assembly + SPARK_HADOOP_VERSION=2.2.0 sbt assembly In addition, if you wish to run Spark on [YARN](running-on-yarn.html), set `SPARK_YARN` to `true`: - SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/sbt assembly + SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt assembly Note that on Windows, you need to set the environment variables on separate lines, e.g., `set SPARK_HADOOP_VERSION=1.2.1`. diff --git a/docs/java-programming-guide.md b/docs/java-programming-guide.md index 53085cc671..07732fa122 100644 --- a/docs/java-programming-guide.md +++ b/docs/java-programming-guide.md @@ -190,9 +190,9 @@ We hope to generate documentation with Java-style syntax in the future. Spark includes several sample programs using the Java API in [`examples/src/main/java`](https://github.com/apache/incubator-spark/tree/master/examples/src/main/java/org/apache/spark/examples). You can run them by passing the class name to the -`run-example` script included in Spark; for example: +`bin/run-example` script included in Spark; for example: - ./run-example org.apache.spark.examples.JavaWordCount + ./bin/run-example org.apache.spark.examples.JavaWordCount Each example program prints usage help when run without any arguments. diff --git a/docs/job-scheduling.md b/docs/job-scheduling.md index dbcb9ae343..5951155fe3 100644 --- a/docs/job-scheduling.md +++ b/docs/job-scheduling.md @@ -32,12 +32,12 @@ Resource allocation can be configured as follows, based on the cluster type: * **Standalone mode:** By default, applications submitted to the standalone mode cluster will run in FIFO (first-in-first-out) order, and each application will try to use all available nodes. You can limit - the number of nodes an application uses by setting the `spark.cores.max` system property in it. This + the number of nodes an application uses by setting the `spark.cores.max` configuration property in it. This will allow multiple users/applications to run concurrently. For example, you might launch a long-running server that uses 10 cores, and allow users to launch shells that use 20 cores each. Finally, in addition to controlling cores, each application's `spark.executor.memory` setting controls its memory use. -* **Mesos:** To use static partitioning on Mesos, set the `spark.mesos.coarse` system property to `true`, +* **Mesos:** To use static partitioning on Mesos, set the `spark.mesos.coarse` configuration property to `true`, and optionally set `spark.cores.max` to limit each application's resource share as in the standalone mode. You should also set `spark.executor.memory` to control the executor memory. * **YARN:** The `--num-workers` option to the Spark YARN client controls how many workers it will allocate @@ -78,11 +78,13 @@ of cluster resources. This means that short jobs submitted while a long job is r resources right away and still get good response times, without waiting for the long job to finish. This mode is best for multi-user settings. -To enable the fair scheduler, simply set the `spark.scheduler.mode` to `FAIR` before creating +To enable the fair scheduler, simply set the `spark.scheduler.mode` property to `FAIR` when configuring a SparkContext: {% highlight scala %} -System.setProperty("spark.scheduler.mode", "FAIR") +val conf = new SparkConf().setMaster(...).setAppName(...) +conf.set("spark.scheduler.mode", "FAIR") +val sc = new SparkContext(conf) {% endhighlight %} ## Fair Scheduler Pools @@ -98,8 +100,8 @@ adding the `spark.scheduler.pool` "local property" to the SparkContext in the th This is done as follows: {% highlight scala %} -// Assuming context is your SparkContext variable -context.setLocalProperty("spark.scheduler.pool", "pool1") +// Assuming sc is your SparkContext variable +sc.setLocalProperty("spark.scheduler.pool", "pool1") {% endhighlight %} After setting this local property, _all_ jobs submitted within this thread (by calls in this thread @@ -108,7 +110,7 @@ it easy to have a thread run multiple jobs on behalf of the same user. If you'd pool that a thread is associated with, simply call: {% highlight scala %} -context.setLocalProperty("spark.scheduler.pool", null) +sc.setLocalProperty("spark.scheduler.pool", null) {% endhighlight %} ## Default Behavior of Pools @@ -138,10 +140,11 @@ properties: of the cluster. By default, each pool's `minShare` is 0. The pool properties can be set by creating an XML file, similar to `conf/fairscheduler.xml.template`, -and setting the `spark.scheduler.allocation.file` property: +and setting a `spark.scheduler.allocation.file` property in your +[SparkConf](configuration.html#spark-properties). {% highlight scala %} -System.setProperty("spark.scheduler.allocation.file", "/path/to/file") +conf.set("spark.scheduler.allocation.file", "/path/to/file") {% endhighlight %} The format of the XML file is simply a `<pool>` element for each pool, with different elements diff --git a/docs/mllib-guide.md b/docs/mllib-guide.md index c1ff9c417c..95537ef185 100644 --- a/docs/mllib-guide.md +++ b/docs/mllib-guide.md @@ -87,7 +87,7 @@ svmAlg.optimizer.setNumIterations(200) val modelL1 = svmAlg.run(parsedData) {% endhighlight %} -Both of the code snippets above can be executed in `spark-shell` to generate a +Both of the code snippets above can be executed in `bin/spark-shell` to generate a classifier for the provided dataset. Available algorithms for binary classification: diff --git a/docs/monitoring.md b/docs/monitoring.md index 5ed0474477..0d5eb7065e 100644 --- a/docs/monitoring.md +++ b/docs/monitoring.md @@ -32,7 +32,8 @@ Spark has a configurable metrics system based on the This allows users to report Spark metrics to a variety of sinks including HTTP, JMX, and CSV files. The metrics system is configured via a configuration file that Spark expects to be present at `$SPARK_HOME/conf/metrics.conf`. A custom file location can be specified via the -`spark.metrics.conf` Java system property. Spark's metrics are decoupled into different +`spark.metrics.conf` [configuration property](configuration.html#spark-properties). +Spark's metrics are decoupled into different _instances_ corresponding to Spark components. Within each instance, you can configure a set of sinks to which metrics are reported. The following instances are currently supported: diff --git a/docs/python-programming-guide.md b/docs/python-programming-guide.md index 55e39b1de1..5d48cb676a 100644 --- a/docs/python-programming-guide.md +++ b/docs/python-programming-guide.md @@ -47,7 +47,7 @@ PySpark will automatically ship these functions to workers, along with any objec Instances of classes will be serialized and shipped to workers by PySpark, but classes themselves cannot be automatically distributed to workers. The [Standalone Use](#standalone-use) section describes how to ship code dependencies to workers. -In addition, PySpark fully supports interactive use---simply run `./pyspark` to launch an interactive shell. +In addition, PySpark fully supports interactive use---simply run `./bin/pyspark` to launch an interactive shell. # Installing and Configuring PySpark @@ -60,17 +60,17 @@ By default, PySpark requires `python` to be available on the system `PATH` and u All of PySpark's library dependencies, including [Py4J](http://py4j.sourceforge.net/), are bundled with PySpark and automatically imported. -Standalone PySpark applications should be run using the `pyspark` script, which automatically configures the Java and Python environment using the settings in `conf/spark-env.sh` or `.cmd`. -The script automatically adds the `pyspark` package to the `PYTHONPATH`. +Standalone PySpark applications should be run using the `bin/pyspark` script, which automatically configures the Java and Python environment using the settings in `conf/spark-env.sh` or `.cmd`. +The script automatically adds the `bin/pyspark` package to the `PYTHONPATH`. # Interactive Use -The `pyspark` script launches a Python interpreter that is configured to run PySpark applications. To use `pyspark` interactively, first build Spark, then launch it directly from the command line without any options: +The `bin/pyspark` script launches a Python interpreter that is configured to run PySpark applications. To use `pyspark` interactively, first build Spark, then launch it directly from the command line without any options: {% highlight bash %} -$ sbt/sbt assembly -$ ./pyspark +$ sbt assembly +$ ./bin/pyspark {% endhighlight %} The Python shell can be used explore data interactively and is a simple way to learn the API: @@ -82,35 +82,35 @@ The Python shell can be used explore data interactively and is a simple way to l >>> help(pyspark) # Show all pyspark functions {% endhighlight %} -By default, the `pyspark` shell creates SparkContext that runs applications locally on a single core. +By default, the `bin/pyspark` shell creates SparkContext that runs applications locally on a single core. To connect to a non-local cluster, or use multiple cores, set the `MASTER` environment variable. -For example, to use the `pyspark` shell with a [standalone Spark cluster](spark-standalone.html): +For example, to use the `bin/pyspark` shell with a [standalone Spark cluster](spark-standalone.html): {% highlight bash %} -$ MASTER=spark://IP:PORT ./pyspark +$ MASTER=spark://IP:PORT ./bin/pyspark {% endhighlight %} Or, to use four cores on the local machine: {% highlight bash %} -$ MASTER=local[4] ./pyspark +$ MASTER=local[4] ./bin/pyspark {% endhighlight %} ## IPython It is also possible to launch PySpark in [IPython](http://ipython.org), the enhanced Python interpreter. -To do this, set the `IPYTHON` variable to `1` when running `pyspark`: +To do this, set the `IPYTHON` variable to `1` when running `bin/pyspark`: {% highlight bash %} -$ IPYTHON=1 ./pyspark +$ IPYTHON=1 ./bin/pyspark {% endhighlight %} Alternatively, you can customize the `ipython` command by setting `IPYTHON_OPTS`. For example, to launch the [IPython Notebook](http://ipython.org/notebook.html) with PyLab graphing support: {% highlight bash %} -$ IPYTHON_OPTS="notebook --pylab inline" ./pyspark +$ IPYTHON_OPTS="notebook --pylab inline" ./bin/pyspark {% endhighlight %} IPython also works on a cluster or on multiple cores if you set the `MASTER` environment variable. @@ -118,7 +118,7 @@ IPython also works on a cluster or on multiple cores if you set the `MASTER` env # Standalone Programs -PySpark can also be used from standalone Python scripts by creating a SparkContext in your script and running the script using `pyspark`. +PySpark can also be used from standalone Python scripts by creating a SparkContext in your script and running the script using `bin/pyspark`. The Quick Start guide includes a [complete example](quick-start.html#a-standalone-app-in-python) of a standalone Python application. Code dependencies can be deployed by listing them in the `pyFiles` option in the SparkContext constructor: @@ -131,15 +131,16 @@ sc = SparkContext("local", "App Name", pyFiles=['MyFile.py', 'lib.zip', 'app.egg Files listed here will be added to the `PYTHONPATH` and shipped to remote worker machines. Code dependencies can be added to an existing SparkContext using its `addPyFile()` method. -You can set [system properties](configuration.html#system-properties) -using `SparkContext.setSystemProperty()` class method *before* -instantiating SparkContext. For example, to set the amount of memory -per executor process: +You can set [configuration properties](configuration.html#spark-properties) by passing a +[SparkConf](api/pyspark/pyspark.conf.SparkConf-class.html) object to SparkContext: {% highlight python %} -from pyspark import SparkContext -SparkContext.setSystemProperty('spark.executor.memory', '2g') -sc = SparkContext("local", "App Name") +from pyspark import SparkConf, SparkContext +conf = (SparkConf() + .setMaster("local") + .setAppName("My app") + .set("spark.executor.memory", "1g")) +sc = SparkContext(conf = conf) {% endhighlight %} # API Docs @@ -152,6 +153,6 @@ Many of the methods also contain [doctests](http://docs.python.org/2/library/doc PySpark also includes several sample programs in the [`python/examples` folder](https://github.com/apache/incubator-spark/tree/master/python/examples). You can run them by passing the files to `pyspark`; e.g.: - ./pyspark python/examples/wordcount.py + ./bin/pyspark python/examples/wordcount.py Each program prints usage help when run without arguments. diff --git a/docs/quick-start.md b/docs/quick-start.md index 8f782db5b8..9b9261cfff 100644 --- a/docs/quick-start.md +++ b/docs/quick-start.md @@ -12,7 +12,7 @@ See the [programming guide](scala-programming-guide.html) for a more complete re To follow along with this guide, you only need to have successfully built Spark on one machine. Simply go into your Spark directory and run: {% highlight bash %} -$ sbt/sbt assembly +$ sbt assembly {% endhighlight %} # Interactive Analysis with the Spark Shell @@ -20,7 +20,7 @@ $ sbt/sbt assembly ## Basics Spark's interactive shell provides a simple way to learn the API, as well as a powerful tool to analyze datasets interactively. -Start the shell by running `./spark-shell` in the Spark directory. +Start the shell by running `./bin/spark-shell` in the Spark directory. Spark's primary abstraction is a distributed collection of items called a Resilient Distributed Dataset (RDD). RDDs can be created from Hadoop InputFormats (such as HDFS files) or by transforming other RDDs. Let's make a new RDD from the text of the README file in the Spark source directory: @@ -99,7 +99,7 @@ scala> linesWithSpark.count() res9: Long = 15 {% endhighlight %} -It may seem silly to use Spark to explore and cache a 30-line text file. The interesting part is that these same functions can be used on very large data sets, even when they are striped across tens or hundreds of nodes. You can also do this interactively by connecting `spark-shell` to a cluster, as described in the [programming guide](scala-programming-guide.html#initializing-spark). +It may seem silly to use Spark to explore and cache a 30-line text file. The interesting part is that these same functions can be used on very large data sets, even when they are striped across tens or hundreds of nodes. You can also do this interactively by connecting `bin/spark-shell` to a cluster, as described in the [programming guide](scala-programming-guide.html#initializing-spark). # A Standalone App in Scala Now say we wanted to write a standalone application using the Spark API. We will walk through a simple application in both Scala (with SBT), Java (with Maven), and Python. If you are using other build systems, consider using the Spark assembly JAR described in the developer guide. @@ -124,7 +124,7 @@ object SimpleApp { } {% endhighlight %} -This program simply counts the number of lines containing 'a' and the number containing 'b' in the Spark README. Note that you'll need to replace $YOUR_SPARK_HOME with the location where Spark is installed. Unlike the earlier examples with the Spark shell, which initializes its own SparkContext, we initialize a SparkContext as part of the proogram. We pass the SparkContext constructor four arguments, the type of scheduler we want to use (in this case, a local scheduler), a name for the application, the directory where Spark is installed, and a name for the jar file containing the application's code. The final two arguments are needed in a distributed setting, where Spark is running across several nodes, so we include them for completeness. Spark will automatically ship the jar files you list to slave nodes. +This program just counts the number of lines containing 'a' and the number containing 'b' in the Spark README. Note that you'll need to replace $YOUR_SPARK_HOME with the location where Spark is installed. Unlike the earlier examples with the Spark shell, which initializes its own SparkContext, we initialize a SparkContext as part of the proogram. We pass the SparkContext constructor four arguments, the type of scheduler we want to use (in this case, a local scheduler), a name for the application, the directory where Spark is installed, and a name for the jar file containing the application's code. The final two arguments are needed in a distributed setting, where Spark is running across several nodes, so we include them for completeness. Spark will automatically ship the jar files you list to slave nodes. This file depends on the Spark API, so we'll also include an sbt configuration file, `simple.sbt` which explains that Spark is a dependency. This file also adds a repository that Spark depends on: @@ -193,7 +193,7 @@ public class SimpleApp { } {% endhighlight %} -This program simply counts the number of lines containing 'a' and the number containing 'b' in a system log file. Note that you'll need to replace $YOUR_SPARK_HOME with the location where Spark is installed. As with the Scala example, we initialize a SparkContext, though we use the special `JavaSparkContext` class to get a Java-friendly one. We also create RDDs (represented by `JavaRDD`) and run transformations on them. Finally, we pass functions to Spark by creating classes that extend `spark.api.java.function.Function`. The [Java programming guide](java-programming-guide.html) describes these differences in more detail. +This program just counts the number of lines containing 'a' and the number containing 'b' in a text file. Note that you'll need to replace $YOUR_SPARK_HOME with the location where Spark is installed. As with the Scala example, we initialize a SparkContext, though we use the special `JavaSparkContext` class to get a Java-friendly one. We also create RDDs (represented by `JavaRDD`) and run transformations on them. Finally, we pass functions to Spark by creating classes that extend `spark.api.java.function.Function`. The [Java programming guide](java-programming-guide.html) describes these differences in more detail. To build the program, we also write a Maven `pom.xml` file that lists Spark as a dependency. Note that Spark artifacts are tagged with a Scala version. @@ -224,11 +224,11 @@ To build the program, we also write a Maven `pom.xml` file that lists Spark as a If you also wish to read data from Hadoop's HDFS, you will also need to add a dependency on `hadoop-client` for your version of HDFS: {% highlight xml %} - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-client</artifactId> - <version>...</version> - </dependency> +<dependency> + <groupId>org.apache.hadoop</groupId> + <artifactId>hadoop-client</artifactId> + <version>...</version> +</dependency> {% endhighlight %} We lay out these files according to the canonical Maven directory structure: @@ -270,18 +270,18 @@ print "Lines with a: %i, lines with b: %i" % (numAs, numBs) {% endhighlight %} -This program simply counts the number of lines containing 'a' and the number containing 'b' in a system log file. +This program just counts the number of lines containing 'a' and the number containing 'b' in a text file. Note that you'll need to replace $YOUR_SPARK_HOME with the location where Spark is installed. As with the Scala and Java examples, we use a SparkContext to create RDDs. We can pass Python functions to Spark, which are automatically serialized along with any variables that they reference. For applications that use custom classes or third-party libraries, we can add those code dependencies to SparkContext to ensure that they will be available on remote machines; this is described in more detail in the [Python programming guide](python-programming-guide.html). `SimpleApp` is simple enough that we do not need to specify any code dependencies. -We can run this application using the `pyspark` script: +We can run this application using the `bin/pyspark` script: {% highlight python %} $ cd $SPARK_HOME -$ ./pyspark SimpleApp.py +$ ./bin/pyspark SimpleApp.py ... Lines with a: 46, Lines with b: 23 {% endhighlight python %} @@ -301,14 +301,38 @@ assembly jar (or "uber" jar) containing your code and its dependencies. Both have assembly plugins. When creating assembly jars, list Spark itself as a `provided` dependency; it need not be bundled since it is already present on the slaves. Once you have an assembled jar, -add it to the SparkContext as shown here. It is also possible to submit -your dependent jars one-by-one when creating a SparkContext. +add it to the SparkContext as shown here. It is also possible to add +your dependent jars one-by-one using the `addJar` method of `SparkContext`. + +For Python, you can use the `pyFiles` argument of SparkContext +or its `addPyFile` method to add `.py`, `.zip` or `.egg` files to be distributed. ### Setting Configuration Options -Spark includes several configuration options which influence the behavior -of your application. These should be set as -[JVM system properties](configuration.html#system-properties) in your -program. The options will be captured and shipped to all slave nodes. +Spark includes several [configuration options](configuration.html#spark-properties) +that influence the behavior of your application. +These should be set by building a [SparkConf](api/core/index.html#org.apache.spark.SparkConf) +object and passing it to the SparkContext constructor. +For example, in Java and Scala, you can do: + +{% highlight scala %} +import org.apache.spark.{SparkConf, SparkContext} +val conf = new SparkConf() + .setMaster("local") + .setAppName("My application") + .set("spark.executor.memory", "1g") +val sc = new SparkContext(conf) +{% endhighlight %} + +Or in Python: + +{% highlight scala %} +from pyspark import SparkConf, SparkContext +conf = SparkConf() +conf.setMaster("local") +conf.setAppName("My application") +conf.set("spark.executor.memory", "1g")) +sc = SparkContext(conf = conf) +{% endhighlight %} ### Accessing Hadoop Filesystems diff --git a/docs/running-on-mesos.md b/docs/running-on-mesos.md index 322ff585f1..68259f0cb8 100644 --- a/docs/running-on-mesos.md +++ b/docs/running-on-mesos.md @@ -15,15 +15,16 @@ Spark can run on clusters managed by [Apache Mesos](http://mesos.apache.org/). F * `export MESOS_NATIVE_LIBRARY=<path to libmesos.so>`. This path is usually `<prefix>/lib/libmesos.so` (where the prefix is `/usr/local` by default, see above). Also, on Mac OS X, the library is called `libmesos.dylib` instead of `libmesos.so`. * `export SPARK_EXECUTOR_URI=<path to spark-{{site.SPARK_VERSION}}.tar.gz uploaded above>`. * `export MASTER=mesos://HOST:PORT` where HOST:PORT is the host and port (default: 5050) of your Mesos master (or `zk://...` if using Mesos with ZooKeeper). -8. To run a Spark application against the cluster, when you create your `SparkContext`, pass the string `mesos://HOST:PORT` as the first parameter. In addition, you'll need to set the `spark.executor.uri` property. For example: +8. To run a Spark application against the cluster, when you create your `SparkContext`, pass the string `mesos://HOST:PORT` as the master URL. In addition, you'll need to set the `spark.executor.uri` property. For example: {% highlight scala %} -System.setProperty("spark.executor.uri", "<path to spark-{{site.SPARK_VERSION}}.tar.gz uploaded above>") -val sc = new SparkContext("mesos://HOST:5050", "App Name", ...) +val conf = new SparkConf() + .setMaster("mesos://HOST:5050") + .setAppName("My app") + .set("spark.executor.uri", "<path to spark-{{site.SPARK_VERSION}}.tar.gz uploaded above>") +val sc = new SparkContext(conf) {% endhighlight %} -If you want to run Spark on Amazon EC2, you can use the Spark [EC2 launch scripts](ec2-scripts.html), which provide an easy way to launch a cluster with Mesos, Spark, and HDFS pre-configured. This will get you a cluster in about five minutes without any configuration on your part. - # Mesos Run Modes Spark can run over Mesos in two modes: "fine-grained" and "coarse-grained". In fine-grained mode, which is the default, @@ -34,17 +35,15 @@ launch only *one* long-running Spark task on each Mesos machine, and dynamically it. The benefit is much lower startup overhead, but at the cost of reserving the Mesos resources for the complete duration of the application. -To run in coarse-grained mode, set the `spark.mesos.coarse` system property to true *before* creating your SparkContext: +To run in coarse-grained mode, set the `spark.mesos.coarse` property in your [SparkConf](configuration.html#spark-properties): {% highlight scala %} -System.setProperty("spark.mesos.coarse", "true") -val sc = new SparkContext("mesos://HOST:5050", "App Name", ...) +conf.set("spark.mesos.coarse", "true") {% endhighlight %} In addition, for coarse-grained mode, you can control the maximum number of resources Spark will acquire. By default, it will acquire *all* cores in the cluster (that get offered by Mesos), which only makes sense if you run just one -application at a time. You can cap the maximum number of cores using `System.setProperty("spark.cores.max", "10")` (for example). -Again, this must be done *before* initializing a SparkContext. +application at a time. You can cap the maximum number of cores using `conf.set("spark.cores.max", "10")` (for example). # Running Alongside Hadoop diff --git a/docs/running-on-yarn.md b/docs/running-on-yarn.md index aa75ca4324..a35e003cdc 100644 --- a/docs/running-on-yarn.md +++ b/docs/running-on-yarn.md @@ -12,7 +12,7 @@ was added to Spark in version 0.6.0, and improved in 0.7.0 and 0.8.0. We need a consolidated Spark JAR (which bundles all the required dependencies) to run Spark jobs on a YARN cluster. This can be built by setting the Hadoop version and `SPARK_YARN` environment variable, as follows: - SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true ./sbt/sbt assembly + SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt assembly The assembled JAR will be something like this: `./assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly_{{site.SPARK_VERSION}}-hadoop2.0.5.jar`. @@ -25,7 +25,7 @@ The build process now also supports new YARN versions (2.2.x). See below. - The assembled jar can be installed into HDFS or used locally. - Your application code must be packaged into a separate JAR file. -If you want to test out the YARN deployment mode, you can use the current Spark examples. A `spark-examples_{{site.SCALA_VERSION}}-{{site.SPARK_VERSION}}` file can be generated by running `sbt/sbt assembly`. NOTE: since the documentation you're reading is for Spark version {{site.SPARK_VERSION}}, we are assuming here that you have downloaded Spark {{site.SPARK_VERSION}} or checked it out of source control. If you are using a different version of Spark, the version numbers in the jar generated by the sbt package command will obviously be different. +If you want to test out the YARN deployment mode, you can use the current Spark examples. A `spark-examples_{{site.SCALA_VERSION}}-{{site.SPARK_VERSION}}` file can be generated by running `sbt assembly`. NOTE: since the documentation you're reading is for Spark version {{site.SPARK_VERSION}}, we are assuming here that you have downloaded Spark {{site.SPARK_VERSION}} or checked it out of source control. If you are using a different version of Spark, the version numbers in the jar generated by the sbt package command will obviously be different. # Configuration @@ -54,7 +54,7 @@ There are two scheduler mode that can be used to launch spark application on YAR The command to launch the YARN Client is as follows: - SPARK_JAR=<SPARK_ASSEMBLY_JAR_FILE> ./spark-class org.apache.spark.deploy.yarn.Client \ + SPARK_JAR=<SPARK_ASSEMBLY_JAR_FILE> ./bin/spark-class org.apache.spark.deploy.yarn.Client \ --jar <YOUR_APP_JAR_FILE> \ --class <APP_MAIN_CLASS> \ --args <APP_MAIN_ARGUMENTS> \ @@ -72,14 +72,14 @@ The command to launch the YARN Client is as follows: For example: # Build the Spark assembly JAR and the Spark examples JAR - $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true ./sbt/sbt assembly + $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt assembly # Configure logging $ cp conf/log4j.properties.template conf/log4j.properties # Submit Spark's ApplicationMaster to YARN's ResourceManager, and instruct Spark to run the SparkPi example $ SPARK_JAR=./assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly-{{site.SPARK_VERSION}}-hadoop2.0.5-alpha.jar \ - ./spark-class org.apache.spark.deploy.yarn.Client \ + ./bin/spark-class org.apache.spark.deploy.yarn.Client \ --jar examples/target/scala-{{site.SCALA_VERSION}}/spark-examples-assembly-{{site.SPARK_VERSION}}.jar \ --class org.apache.spark.examples.SparkPi \ --args yarn-standalone \ @@ -107,17 +107,15 @@ For example: SPARK_JAR=./assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly-{{site.SPARK_VERSION}}-hadoop2.0.5-alpha.jar \ SPARK_YARN_APP_JAR=examples/target/scala-{{site.SCALA_VERSION}}/spark-examples-assembly-{{site.SPARK_VERSION}}.jar \ - ./run-example org.apache.spark.examples.SparkPi yarn-client + ./bin/run-example org.apache.spark.examples.SparkPi yarn-client SPARK_JAR=./assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly-{{site.SPARK_VERSION}}-hadoop2.0.5-alpha.jar \ SPARK_YARN_APP_JAR=examples/target/scala-{{site.SCALA_VERSION}}/spark-examples-assembly-{{site.SPARK_VERSION}}.jar \ - MASTER=yarn-client ./spark-shell + MASTER=yarn-client ./bin/spark-shell # Building Spark for Hadoop/YARN 2.2.x -Hadoop 2.2.x users must build Spark and publish it locally. The SBT build process handles Hadoop 2.2.x as a special case. This version of Hadoop has new YARN API changes and depends on a Protobuf version (2.5) that is not compatible with the Akka version (2.0.5) that Spark uses. Therefore, if the Hadoop version (e.g. set through ```SPARK_HADOOP_VERSION```) starts with 2.2.0 or higher then the build process will depend on Akka artifacts distributed by the Spark project compatible with Protobuf 2.5. Furthermore, the build process then uses the directory ```new-yarn``` (instead of ```yarn```), which supports the new YARN API. The build process should seamlessly work out of the box. - See [Building Spark with Maven](building-with-maven.html) for instructions on how to build Spark using the Maven process. # Important Notes @@ -126,4 +124,3 @@ See [Building Spark with Maven](building-with-maven.html) for instructions on ho - The local directories used for spark will be the local directories configured for YARN (Hadoop Yarn config yarn.nodemanager.local-dirs). If the user specifies spark.local.dir, it will be ignored. - The --files and --archives options support specifying file names with the # similar to Hadoop. For example you can specify: --files localtest.txt#appSees.txt and this will upload the file you have locally named localtest.txt into HDFS but this will be linked to by the name appSees.txt and your application should use the name as appSees.txt to reference it when running on YARN. - The --addJars option allows the SparkContext.addJar function to work if you are using it with local files. It does not need to be used if you are using it with HDFS, HTTP, HTTPS, or FTP files. -- YARN 2.2.x users cannot simply depend on the Spark packages without building Spark, as the published Spark artifacts are compiled to work with the pre 2.2 API. Those users must build Spark and publish it locally. diff --git a/docs/scala-programming-guide.md b/docs/scala-programming-guide.md index 56d2a3a4a0..3d0e8923d5 100644 --- a/docs/scala-programming-guide.md +++ b/docs/scala-programming-guide.md @@ -13,7 +13,7 @@ At a high level, every Spark application consists of a *driver program* that run A second abstraction in Spark is *shared variables* that can be used in parallel operations. By default, when Spark runs a function in parallel as a set of tasks on different nodes, it ships a copy of each variable used in the function to each task. Sometimes, a variable needs to be shared across tasks, or between tasks and the driver program. Spark supports two types of shared variables: *broadcast variables*, which can be used to cache a value in memory on all nodes, and *accumulators*, which are variables that are only "added" to, such as counters and sums. -This guide shows each of these features and walks through some samples. It assumes some familiarity with Scala, especially with the syntax for [closures](http://www.scala-lang.org/node/133). Note that you can also run Spark interactively using the `spark-shell` script. We highly recommend doing that to follow along! +This guide shows each of these features and walks through some samples. It assumes some familiarity with Scala, especially with the syntax for [closures](http://www.scala-lang.org/node/133). Note that you can also run Spark interactively using the `bin/spark-shell` script. We highly recommend doing that to follow along! # Linking with Spark @@ -31,7 +31,7 @@ In addition, if you wish to access an HDFS cluster, you need to add a dependency artifactId = hadoop-client version = <your-hdfs-version> -For other build systems, you can run `sbt/sbt assembly` to pack Spark and its dependencies into one JAR (`assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly-{{site.SPARK_VERSION}}-hadoop*.jar`), then add this to your CLASSPATH. Set the HDFS version as described [here](index.html#a-note-about-hadoop-versions). +For other build systems, you can run `sbt assembly` to pack Spark and its dependencies into one JAR (`assembly/target/scala-{{site.SCALA_VERSION}}/spark-assembly-{{site.SPARK_VERSION}}-hadoop*.jar`), then add this to your CLASSPATH. Set the HDFS version as described [here](index.html#a-note-about-hadoop-versions). Finally, you need to import some Spark classes and implicit conversions into your program. Add the following lines: @@ -49,18 +49,21 @@ This is done through the following constructor: new SparkContext(master, appName, [sparkHome], [jars]) {% endhighlight %} +or through `new SparkContext(conf)`, which takes a [SparkConf](api/core/index.html#org.apache.spark.SparkConf) +object for more advanced configuration. + The `master` parameter is a string specifying a [Spark or Mesos cluster URL](#master-urls) to connect to, or a special "local" string to run in local mode, as described below. `appName` is a name for your application, which will be shown in the cluster web UI. Finally, the last two parameters are needed to deploy your code to a cluster if running in distributed mode, as described later. -In the Spark shell, a special interpreter-aware SparkContext is already created for you, in the variable called `sc`. Making your own SparkContext will not work. You can set which master the context connects to using the `MASTER` environment variable, and you can add JARs to the classpath with the `ADD_JARS` variable. For example, to run `spark-shell` on four cores, use +In the Spark shell, a special interpreter-aware SparkContext is already created for you, in the variable called `sc`. Making your own SparkContext will not work. You can set which master the context connects to using the `MASTER` environment variable, and you can add JARs to the classpath with the `ADD_JARS` variable. For example, to run `bin/spark-shell` on four cores, use {% highlight bash %} -$ MASTER=local[4] ./spark-shell +$ MASTER=local[4] ./bin/spark-shell {% endhighlight %} Or, to also add `code.jar` to its classpath, use: {% highlight bash %} -$ MASTER=local[4] ADD_JARS=code.jar ./spark-shell +$ MASTER=local[4] ADD_JARS=code.jar ./bin/spark-shell {% endhighlight %} ### Master URLs @@ -92,8 +95,7 @@ If you want to run your application on a cluster, you will need to specify the t * `sparkHome`: The path at which Spark is installed on your worker machines (it should be the same on all of them). * `jars`: A list of JAR files on the local machine containing your application's code and any dependencies, which Spark will deploy to all the worker nodes. You'll need to package your application into a set of JARs using your build system. For example, if you're using SBT, the [sbt-assembly](https://github.com/sbt/sbt-assembly) plugin is a good way to make a single JAR with your code and dependencies. -If you run `spark-shell` on a cluster, you can add JARs to it by specifying the `ADD_JARS` environment variable before you launch it. This variable should contain a comma-separated list of JARs. For example, `ADD_JARS=a.jar,b.jar ./spark-shell` will launch a shell with `a.jar` and `b.jar` on its classpath. In addition, any new classes you define in the shell will automatically be distributed. - +If you run `bin/spark-shell` on a cluster, you can add JARs to it by specifying the `ADD_JARS` environment variable before you launch it. This variable should contain a comma-separated list of JARs. For example, `ADD_JARS=a.jar,b.jar ./bin/spark-shell` will launch a shell with `a.jar` and `b.jar` on its classpath. In addition, any new classes you define in the shell will automatically be distributed. # Resilient Distributed Datasets (RDDs) @@ -364,9 +366,9 @@ res2: Int = 10 # Where to Go from Here You can see some [example Spark programs](http://spark.incubator.apache.org/examples.html) on the Spark website. -In addition, Spark includes several samples in `examples/src/main/scala`. Some of them have both Spark versions and local (non-parallel) versions, allowing you to see what had to be changed to make the program run on a cluster. You can run them using by passing the class name to the `run-example` script included in Spark; for example: +In addition, Spark includes several samples in `examples/src/main/scala`. Some of them have both Spark versions and local (non-parallel) versions, allowing you to see what had to be changed to make the program run on a cluster. You can run them using by passing the class name to the `bin/run-example` script included in Spark; for example: - ./run-example org.apache.spark.examples.SparkPi + ./bin/run-example org.apache.spark.examples.SparkPi Each example program prints usage help when run without any arguments. diff --git a/docs/spark-debugger.md b/docs/spark-debugger.md index d6315d97f4..11c51d5cde 100644 --- a/docs/spark-debugger.md +++ b/docs/spark-debugger.md @@ -39,7 +39,7 @@ where `path/to/event-log` is where you want the event log to go relative to `$SP ### Loading the event log into the debugger -1. Run a Spark shell with `MASTER=<i>host</i> ./spark-shell`. +1. Run a Spark shell with `MASTER=<i>host</i> ./bin/spark-shell`. 2. Use `EventLogReader` to load the event log as follows: {% highlight scala %} spark> val r = new spark.EventLogReader(sc, Some("path/to/event-log")) diff --git a/docs/spark-standalone.md b/docs/spark-standalone.md index 59adbce156..f426db0141 100644 --- a/docs/spark-standalone.md +++ b/docs/spark-standalone.md @@ -16,7 +16,7 @@ To install Spark Standlone mode, you simply place a compiled version of Spark on You can start a standalone master server by executing: - ./bin/start-master.sh + ./sbin/start-master.sh Once started, the master will print out a `spark://HOST:PORT` URL for itself, which you can use to connect workers to it, or pass as the "master" argument to `SparkContext`. You can also find this URL on @@ -24,7 +24,7 @@ the master's web UI, which is [http://localhost:8080](http://localhost:8080) by Similarly, you can start one or more workers and connect them to the master via: - ./spark-class org.apache.spark.deploy.worker.Worker spark://IP:PORT + ./bin/spark-class org.apache.spark.deploy.worker.Worker spark://IP:PORT Once you have started a worker, look at the master's web UI ([http://localhost:8080](http://localhost:8080) by default). You should see the new node listed there, along with its number of CPUs and memory (minus one gigabyte left for the OS). @@ -66,12 +66,12 @@ To launch a Spark standalone cluster with the launch scripts, you need to create Once you've set up this file, you can launch or stop your cluster with the following shell scripts, based on Hadoop's deploy scripts, and available in `SPARK_HOME/bin`: -- `bin/start-master.sh` - Starts a master instance on the machine the script is executed on. -- `bin/start-slaves.sh` - Starts a slave instance on each machine specified in the `conf/slaves` file. -- `bin/start-all.sh` - Starts both a master and a number of slaves as described above. -- `bin/stop-master.sh` - Stops the master that was started via the `bin/start-master.sh` script. -- `bin/stop-slaves.sh` - Stops the slave instances that were started via `bin/start-slaves.sh`. -- `bin/stop-all.sh` - Stops both the master and the slaves as described above. +- `sbin/start-master.sh` - Starts a master instance on the machine the script is executed on. +- `sbin/start-slaves.sh` - Starts a slave instance on each machine specified in the `conf/slaves` file. +- `sbin/start-all.sh` - Starts both a master and a number of slaves as described above. +- `sbin/stop-master.sh` - Stops the master that was started via the `bin/start-master.sh` script. +- `sbin/stop-slaves.sh` - Stops the slave instances that were started via `bin/start-slaves.sh`. +- `sbin/stop-all.sh` - Stops both the master and the slaves as described above. Note that these scripts must be executed on the machine you want to run the Spark master on, not your local machine. @@ -139,9 +139,9 @@ constructor](scala-programming-guide.html#initializing-spark). To run an interactive Spark shell against the cluster, run the following command: - MASTER=spark://IP:PORT ./spark-shell + MASTER=spark://IP:PORT ./bin/spark-shell -Note that if you are running spark-shell from one of the spark cluster machines, the `spark-shell` script will +Note that if you are running spark-shell from one of the spark cluster machines, the `bin/spark-shell` script will automatically set MASTER from the `SPARK_MASTER_IP` and `SPARK_MASTER_PORT` variables in `conf/spark-env.sh`. You can also pass an option `-c <numCores>` to control the number of cores that spark-shell uses on the cluster. @@ -182,11 +182,18 @@ the same client: The standalone cluster mode currently only supports a simple FIFO scheduler across applications. However, to allow multiple concurrent users, you can control the maximum number of resources each -application will acquire. +application will use. By default, it will acquire *all* cores in the cluster, which only makes sense if you just run one -application at a time. You can cap the number of cores using -`System.setProperty("spark.cores.max", "10")` (for example). -This value must be set *before* initializing your SparkContext. +application at a time. You can cap the number of cores by setting `spark.cores.max` in your +[SparkConf](configuration.html#spark-properties). For example: + +{% highlight scala %} +val conf = new SparkConf() + .setMaster(...) + .setAppName(...) + .set("spark.cores.max", "10") +val sc = new SparkContext(conf) +{% endhighlight %} # Monitoring and Logging diff --git a/docs/streaming-programming-guide.md b/docs/streaming-programming-guide.md index 82f42e0b8d..1c9ece6270 100644 --- a/docs/streaming-programming-guide.md +++ b/docs/streaming-programming-guide.md @@ -245,7 +245,7 @@ $ nc -lk 9999 Then, in a different terminal, you can start NetworkWordCount by using {% highlight bash %} -$ ./run-example org.apache.spark.streaming.examples.NetworkWordCount local[2] localhost 9999 +$ ./bin/run-example org.apache.spark.streaming.examples.NetworkWordCount local[2] localhost 9999 {% endhighlight %} This will make NetworkWordCount connect to the netcat server. Any lines typed in the terminal running the netcat server will be counted and printed on screen. @@ -283,7 +283,7 @@ Time: 1357008430000 ms </td> </table> -You can find more examples in `<Spark repo>/streaming/src/main/scala/org/apache/spark/streaming/examples/`. They can be run in the similar manner using `./run-example org.apache.spark.streaming.examples....` . Executing without any parameter would give the required parameter list. Further explanation to run them can be found in comments in the files. +You can find more examples in `<Spark repo>/streaming/src/main/scala/org/apache/spark/streaming/examples/`. They can be run in the similar manner using `./bin/run-example org.apache.spark.streaming.examples....` . Executing without any parameter would give the required parameter list. Further explanation to run them can be found in comments in the files. # DStream Persistence Similar to RDDs, DStreams also allow developers to persist the stream's data in memory. That is, using `persist()` method on a DStream would automatically persist every RDD of that DStream in memory. This is useful if the data in the DStream will be computed multiple times (e.g., multiple operations on the same data). For window-based operations like `reduceByWindow` and `reduceByKeyAndWindow` and state-based operations like `updateStateByKey`, this is implicitly true. Hence, DStreams generated by window-based operations are automatically persisted in memory, without the developer calling `persist()`. @@ -326,7 +326,7 @@ Getting the best performance of a Spark Streaming application on a cluster requi There are a number of optimizations that can be done in Spark to minimize the processing time of each batch. These have been discussed in detail in [Tuning Guide](tuning.html). This section highlights some of the most important ones. ### Level of Parallelism -Cluster resources maybe under-utilized if the number of parallel tasks used in any stage of the computation is not high enough. For example, for distributed reduce operations like `reduceByKey` and `reduceByKeyAndWindow`, the default number of parallel tasks is 8. You can pass the level of parallelism as an argument (see the [`PairDStreamFunctions`](api/streaming/index.html#org.apache.spark.PairDStreamFunctions) documentation), or set the system property `spark.default.parallelism` to change the default. +Cluster resources maybe under-utilized if the number of parallel tasks used in any stage of the computation is not high enough. For example, for distributed reduce operations like `reduceByKey` and `reduceByKeyAndWindow`, the default number of parallel tasks is 8. You can pass the level of parallelism as an argument (see the [`PairDStreamFunctions`](api/streaming/index.html#org.apache.spark.PairDStreamFunctions) documentation), or set the [config property](configuration.html#spark-properties) `spark.default.parallelism` to change the default. ### Data Serialization The overhead of data serialization can be significant, especially when sub-second batch sizes are to be achieved. There are two aspects to it. @@ -349,7 +349,7 @@ For a Spark Streaming application running on a cluster to be stable, the process A good approach to figure out the right batch size for your application is to test it with a conservative batch size (say, 5-10 seconds) and a low data rate. To verify whether the system is able to keep up with data rate, you can check the value of the end-to-end delay experienced by each processed batch (in the Spark master logs, find the line having the phrase "Total delay"). If the delay is maintained to be less than the batch size, then system is stable. Otherwise, if the delay is continuously increasing, it means that the system is unable to keep up and it therefore unstable. Once you have an idea of a stable configuration, you can try increasing the data rate and/or reducing the batch size. Note that momentary increase in the delay due to temporary data rate increases maybe fine as long as the delay reduces back to a low value (i.e., less than batch size). ## 24/7 Operation -By default, Spark does not forget any of the metadata (RDDs generated, stages processed, etc.). But for a Spark Streaming application to operate 24/7, it is necessary for Spark to do periodic cleanup of it metadata. This can be enabled by setting the Java system property `spark.cleaner.ttl` to the number of seconds you want any metadata to persist. For example, setting `spark.cleaner.ttl` to 600 would cause Spark periodically cleanup all metadata and persisted RDDs that are older than 10 minutes. Note, that this property needs to be set before the SparkContext is created. +By default, Spark does not forget any of the metadata (RDDs generated, stages processed, etc.). But for a Spark Streaming application to operate 24/7, it is necessary for Spark to do periodic cleanup of it metadata. This can be enabled by setting the [config property](configuration.html#spark-properties) `spark.cleaner.ttl` to the number of seconds you want any metadata to persist. For example, setting `spark.cleaner.ttl` to 600 would cause Spark periodically cleanup all metadata and persisted RDDs that are older than 10 minutes. Note, that this property needs to be set before the SparkContext is created. This value is closely tied with any window operation that is being used. Any window operation would require the input data to be persisted in memory for at least the duration of the window. Hence it is necessary to set the delay to at least the value of the largest window operation used in the Spark Streaming application. If this delay is set too low, the application will throw an exception saying so. diff --git a/docs/tuning.md b/docs/tuning.md index a4be188169..bbb870085c 100644 --- a/docs/tuning.md +++ b/docs/tuning.md @@ -38,14 +38,15 @@ in your operations) and performance. It provides two serialization libraries: `Serializable` types and requires you to *register* the classes you'll use in the program in advance for best performance. -You can switch to using Kryo by calling `System.setProperty("spark.serializer", "org.apache.spark.serializer.KryoSerializer")` -*before* creating your SparkContext. This setting configures the serializer used for not only shuffling data between worker +You can switch to using Kryo by initializing your job with a [SparkConf](configuration.html#spark-properties) +and calling `conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer")`. +This setting configures the serializer used for not only shuffling data between worker nodes but also when serializing RDDs to disk. The only reason Kryo is not the default is because of the custom registration requirement, but we recommend trying it in any network-intensive application. Finally, to register your classes with Kryo, create a public class that extends [`org.apache.spark.serializer.KryoRegistrator`](api/core/index.html#org.apache.spark.serializer.KryoRegistrator) and set the -`spark.kryo.registrator` system property to point to it, as follows: +`spark.kryo.registrator` config property to point to it, as follows: {% highlight scala %} import com.esotericsoftware.kryo.Kryo @@ -58,17 +59,17 @@ class MyRegistrator extends KryoRegistrator { } } -// Make sure to set these properties *before* creating a SparkContext! -System.setProperty("spark.serializer", "org.apache.spark.serializer.KryoSerializer") -System.setProperty("spark.kryo.registrator", "mypackage.MyRegistrator") -val sc = new SparkContext(...) +val conf = new SparkConf().setMaster(...).setAppName(...) +conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer") +conf.set("spark.kryo.registrator", "mypackage.MyRegistrator") +val sc = new SparkContext(conf) {% endhighlight %} The [Kryo documentation](http://code.google.com/p/kryo/) describes more advanced registration options, such as adding custom serialization code. If your objects are large, you may also need to increase the `spark.kryoserializer.buffer.mb` -system property. The default is 2, but this value needs to be large enough to hold the *largest* +config property. The default is 2, but this value needs to be large enough to hold the *largest* object you will serialize. Finally, if you don't register your classes, Kryo will still work, but it will have to store the @@ -165,7 +166,7 @@ cache RDDs. This means that 33% of memory is available for any objects created d In case your tasks slow down and you find that your JVM is garbage-collecting frequently or running out of memory, lowering this value will help reduce the memory consumption. To change this to say 50%, you can call -`System.setProperty("spark.storage.memoryFraction", "0.5")`. Combined with the use of serialized caching, +`conf.set("spark.storage.memoryFraction", "0.5")` on your SparkConf. Combined with the use of serialized caching, using a smaller cache should be sufficient to mitigate most of the garbage collection problems. In case you are interested in further tuning the Java GC, continue reading below. @@ -219,7 +220,7 @@ enough. Spark automatically sets the number of "map" tasks to run on each file a distributed "reduce" operations, such as `groupByKey` and `reduceByKey`, it uses the largest parent RDD's number of partitions. You can pass the level of parallelism as a second argument (see the [`spark.PairRDDFunctions`](api/core/index.html#org.apache.spark.rdd.PairRDDFunctions) documentation), -or set the system property `spark.default.parallelism` to change the default. +or set the config property `spark.default.parallelism` to change the default. In general, we recommend 2-3 tasks per CPU core in your cluster. ## Memory Usage of Reduce Tasks diff --git a/ec2/spark_ec2.py b/ec2/spark_ec2.py index a2b0e7e7f4..d82a1e1490 100755 --- a/ec2/spark_ec2.py +++ b/ec2/spark_ec2.py @@ -436,7 +436,7 @@ def setup_cluster(conn, master_nodes, slave_nodes, opts, deploy_ssh_key): def setup_standalone_cluster(master, slave_nodes, opts): slave_ips = '\n'.join([i.public_dns_name for i in slave_nodes]) ssh(master, opts, "echo \"%s\" > spark/conf/slaves" % (slave_ips)) - ssh(master, opts, "/root/spark/bin/start-all.sh") + ssh(master, opts, "/root/spark/sbin/start-all.sh") def setup_spark_cluster(master, opts): ssh(master, opts, "chmod u+x spark-ec2/setup.sh") diff --git a/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java b/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java index be0d38589c..12f3355bc4 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java @@ -106,7 +106,7 @@ public class JavaHdfsLR { } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaHdfsLR", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaHdfsLR.class)); JavaRDD<String> lines = sc.textFile(args[1]); JavaRDD<DataPoint> points = lines.map(new ParsePoint()).cache(); int ITERATIONS = Integer.parseInt(args[2]); diff --git a/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java b/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java index 5a6afe7eae..63465a3bbf 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java @@ -74,7 +74,7 @@ public class JavaKMeans { System.exit(1); } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaKMeans", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaKMeans.class)); String path = args[1]; int K = Integer.parseInt(args[2]); double convergeDist = Double.parseDouble(args[3]); diff --git a/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java b/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java index 407cd7ccfa..74e4d9291a 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java @@ -104,7 +104,7 @@ public class JavaLogQuery { } JavaSparkContext jsc = new JavaSparkContext(args[0], "JavaLogQuery", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaLogQuery.class)); JavaRDD<String> dataSet = (args.length == 2) ? jsc.textFile(args[1]) : jsc.parallelize(exampleApacheLogs); diff --git a/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java b/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java index 89aed8f279..f774f6a04e 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java @@ -17,6 +17,7 @@ package org.apache.spark.examples; +import org.apache.spark.SparkContext; import scala.Tuple2; import org.apache.spark.api.java.JavaPairRDD; import org.apache.spark.api.java.JavaRDD; @@ -53,7 +54,7 @@ public class JavaPageRank { } JavaSparkContext ctx = new JavaSparkContext(args[0], "JavaPageRank", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaPageRank.class)); // Loads in input file. It should be in format of: // URL neighbor URL diff --git a/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java b/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java index 4a2380caf5..5558ab7c03 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java @@ -36,7 +36,7 @@ public class JavaSparkPi { } JavaSparkContext jsc = new JavaSparkContext(args[0], "JavaLogQuery", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaSparkPi.class)); int slices = (args.length == 2) ? Integer.parseInt(args[1]) : 2; int n = 100000 * slices; diff --git a/examples/src/main/java/org/apache/spark/examples/JavaTC.java b/examples/src/main/java/org/apache/spark/examples/JavaTC.java index 17f21f6b77..99e6ba347c 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaTC.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaTC.java @@ -64,7 +64,7 @@ public class JavaTC { } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaTC", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaTC.class)); Integer slices = (args.length > 1) ? Integer.parseInt(args[1]): 2; JavaPairRDD<Integer, Integer> tc = sc.parallelizePairs(generateGraph(), slices).cache(); diff --git a/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java b/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java index bd6383e13d..8a071caf13 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java @@ -36,7 +36,7 @@ public class JavaWordCount { } JavaSparkContext ctx = new JavaSparkContext(args[0], "JavaWordCount", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaWordCount.class)); JavaRDD<String> lines = ctx.textFile(args[1], 1); JavaRDD<String> words = lines.flatMap(new FlatMapFunction<String, String>() { diff --git a/examples/src/main/java/org/apache/spark/mllib/examples/JavaALS.java b/examples/src/main/java/org/apache/spark/mllib/examples/JavaALS.java index 45a0d237da..5e1a77baaa 100644 --- a/examples/src/main/java/org/apache/spark/mllib/examples/JavaALS.java +++ b/examples/src/main/java/org/apache/spark/mllib/examples/JavaALS.java @@ -68,7 +68,7 @@ public class JavaALS { } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaALS", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaALS.class)); JavaRDD<String> lines = sc.textFile(args[1]); JavaRDD<Rating> ratings = lines.map(new ParseRating()); diff --git a/examples/src/main/java/org/apache/spark/mllib/examples/JavaKMeans.java b/examples/src/main/java/org/apache/spark/mllib/examples/JavaKMeans.java index cd59a139b9..1f12f518a0 100644 --- a/examples/src/main/java/org/apache/spark/mllib/examples/JavaKMeans.java +++ b/examples/src/main/java/org/apache/spark/mllib/examples/JavaKMeans.java @@ -62,7 +62,7 @@ public class JavaKMeans { } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaKMeans", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaKMeans.class)); JavaRDD<String> lines = sc.textFile(args[1]); JavaRDD<double[]> points = lines.map(new ParsePoint()); diff --git a/examples/src/main/java/org/apache/spark/mllib/examples/JavaLR.java b/examples/src/main/java/org/apache/spark/mllib/examples/JavaLR.java index 258061c8e6..593e4df111 100644 --- a/examples/src/main/java/org/apache/spark/mllib/examples/JavaLR.java +++ b/examples/src/main/java/org/apache/spark/mllib/examples/JavaLR.java @@ -59,7 +59,7 @@ public class JavaLR { } JavaSparkContext sc = new JavaSparkContext(args[0], "JavaLR", - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaSparkContext.jarOfClass(JavaLR.class)); JavaRDD<String> lines = sc.textFile(args[1]); JavaRDD<LabeledPoint> points = lines.map(new ParsePoint()).cache(); double stepSize = Double.parseDouble(args[2]); diff --git a/examples/src/main/java/org/apache/spark/streaming/examples/JavaFlumeEventCount.java b/examples/src/main/java/org/apache/spark/streaming/examples/JavaFlumeEventCount.java index 261813bf2f..64ac72474b 100644 --- a/examples/src/main/java/org/apache/spark/streaming/examples/JavaFlumeEventCount.java +++ b/examples/src/main/java/org/apache/spark/streaming/examples/JavaFlumeEventCount.java @@ -50,7 +50,8 @@ public class JavaFlumeEventCount { Duration batchInterval = new Duration(2000); JavaStreamingContext sc = new JavaStreamingContext(master, "FlumeEventCount", batchInterval, - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), + JavaStreamingContext.jarOfClass(JavaFlumeEventCount.class)); JavaDStream<SparkFlumeEvent> flumeStream = sc.flumeStream("localhost", port); diff --git a/examples/src/main/java/org/apache/spark/streaming/examples/JavaKafkaWordCount.java b/examples/src/main/java/org/apache/spark/streaming/examples/JavaKafkaWordCount.java index 9a8e4209ed..0a56e7abdf 100644 --- a/examples/src/main/java/org/apache/spark/streaming/examples/JavaKafkaWordCount.java +++ b/examples/src/main/java/org/apache/spark/streaming/examples/JavaKafkaWordCount.java @@ -41,7 +41,7 @@ import scala.Tuple2; * <numThreads> is the number of threads the kafka consumer should use * * Example: - * `./run-example org.apache.spark.streaming.examples.JavaKafkaWordCount local[2] zoo01,zoo02, + * `./bin/run-example org.apache.spark.streaming.examples.JavaKafkaWordCount local[2] zoo01,zoo02, * zoo03 my-consumer-group topic1,topic2 1` */ @@ -53,8 +53,9 @@ public class JavaKafkaWordCount { } // Create the context with a 1 second batch size - JavaStreamingContext ssc = new JavaStreamingContext(args[0], "NetworkWordCount", - new Duration(2000), System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + JavaStreamingContext ssc = new JavaStreamingContext(args[0], "KafkaWordCount", + new Duration(2000), System.getenv("SPARK_HOME"), + JavaStreamingContext.jarOfClass(JavaKafkaWordCount.class)); int numThreads = Integer.parseInt(args[4]); Map<String, Integer> topicMap = new HashMap<String, Integer>(); diff --git a/examples/src/main/java/org/apache/spark/streaming/examples/JavaNetworkWordCount.java b/examples/src/main/java/org/apache/spark/streaming/examples/JavaNetworkWordCount.java index def87c199b..ec6f6a8c56 100644 --- a/examples/src/main/java/org/apache/spark/streaming/examples/JavaNetworkWordCount.java +++ b/examples/src/main/java/org/apache/spark/streaming/examples/JavaNetworkWordCount.java @@ -48,7 +48,8 @@ public class JavaNetworkWordCount { // Create the context with a 1 second batch size JavaStreamingContext ssc = new JavaStreamingContext(args[0], "NetworkWordCount", - new Duration(1000), System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + new Duration(1000), System.getenv("SPARK_HOME"), + JavaStreamingContext.jarOfClass(JavaNetworkWordCount.class)); // Create a NetworkInputDStream on target ip:port and count the // words in input stream of \n delimited test (eg. generated by 'nc') diff --git a/examples/src/main/java/org/apache/spark/streaming/examples/JavaQueueStream.java b/examples/src/main/java/org/apache/spark/streaming/examples/JavaQueueStream.java index c8c7389dd1..4b9fd52713 100644 --- a/examples/src/main/java/org/apache/spark/streaming/examples/JavaQueueStream.java +++ b/examples/src/main/java/org/apache/spark/streaming/examples/JavaQueueStream.java @@ -40,7 +40,7 @@ public class JavaQueueStream { // Create the context JavaStreamingContext ssc = new JavaStreamingContext(args[0], "QueueStream", new Duration(1000), - System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + System.getenv("SPARK_HOME"), JavaStreamingContext.jarOfClass(JavaQueueStream.class)); // Create the queue through which RDDs can be pushed to // a QueueInputDStream diff --git a/examples/src/main/scala/org/apache/spark/examples/BroadcastTest.scala b/examples/src/main/scala/org/apache/spark/examples/BroadcastTest.scala index a119980992..0097dade19 100644 --- a/examples/src/main/scala/org/apache/spark/examples/BroadcastTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/BroadcastTest.scala @@ -33,7 +33,7 @@ object BroadcastTest { System.setProperty("spark.broadcast.blockSize", blockSize) val sc = new SparkContext(args(0), "Broadcast Test", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val slices = if (args.length > 1) args(1).toInt else 2 val num = if (args.length > 2) args(2).toInt else 1000000 diff --git a/examples/src/main/scala/org/apache/spark/examples/ExceptionHandlingTest.scala b/examples/src/main/scala/org/apache/spark/examples/ExceptionHandlingTest.scala index 92eb96bd8e..b3eb611dd2 100644 --- a/examples/src/main/scala/org/apache/spark/examples/ExceptionHandlingTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/ExceptionHandlingTest.scala @@ -27,7 +27,7 @@ object ExceptionHandlingTest { } val sc = new SparkContext(args(0), "ExceptionHandlingTest", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) sc.parallelize(0 until sc.defaultParallelism).foreach { i => if (math.random > 0.75) throw new Exception("Testing exception handling") diff --git a/examples/src/main/scala/org/apache/spark/examples/GroupByTest.scala b/examples/src/main/scala/org/apache/spark/examples/GroupByTest.scala index 42c2e0e8e1..39752fdd0e 100644 --- a/examples/src/main/scala/org/apache/spark/examples/GroupByTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/GroupByTest.scala @@ -34,7 +34,7 @@ object GroupByTest { var numReducers = if (args.length > 4) args(4).toInt else numMappers val sc = new SparkContext(args(0), "GroupBy Test", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val pairs1 = sc.parallelize(0 until numMappers, numMappers).flatMap { p => val ranGen = new Random diff --git a/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala b/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala index efe2e93b0d..65d67356be 100644 --- a/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala @@ -26,7 +26,7 @@ import org.apache.hadoop.hbase.mapreduce.TableInputFormat object HBaseTest { def main(args: Array[String]) { val sc = new SparkContext(args(0), "HBaseTest", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val conf = HBaseConfiguration.create() diff --git a/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala b/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala index d6a88d3032..c3597d94a2 100644 --- a/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala @@ -22,7 +22,7 @@ import org.apache.spark._ object HdfsTest { def main(args: Array[String]) { val sc = new SparkContext(args(0), "HdfsTest", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val file = sc.textFile(args(1)) val mapped = file.map(s => s.length).cache() for (iter <- 1 to 10) { diff --git a/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala b/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala index 17ff3ce764..bddb54b39c 100644 --- a/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala +++ b/examples/src/main/scala/org/apache/spark/examples/LogQuery.scala @@ -45,7 +45,7 @@ object LogQuery { } val sc = new SparkContext(args(0), "Log Query", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val dataSet = if (args.length == 2) sc.textFile(args(1)) diff --git a/examples/src/main/scala/org/apache/spark/examples/MultiBroadcastTest.scala b/examples/src/main/scala/org/apache/spark/examples/MultiBroadcastTest.scala index e1afc29f9a..4aef04fc06 100644 --- a/examples/src/main/scala/org/apache/spark/examples/MultiBroadcastTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/MultiBroadcastTest.scala @@ -28,7 +28,7 @@ object MultiBroadcastTest { } val sc = new SparkContext(args(0), "Multi-Broadcast Test", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val slices = if (args.length > 1) args(1).toInt else 2 val num = if (args.length > 2) args(2).toInt else 1000000 diff --git a/examples/src/main/scala/org/apache/spark/examples/SimpleSkewedGroupByTest.scala b/examples/src/main/scala/org/apache/spark/examples/SimpleSkewedGroupByTest.scala index 37ddfb5db7..73b0e216ca 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SimpleSkewedGroupByTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SimpleSkewedGroupByTest.scala @@ -36,7 +36,7 @@ object SimpleSkewedGroupByTest { var ratio = if (args.length > 5) args(5).toInt else 5.0 val sc = new SparkContext(args(0), "GroupBy Test", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val pairs1 = sc.parallelize(0 until numMappers, numMappers).flatMap { p => val ranGen = new Random diff --git a/examples/src/main/scala/org/apache/spark/examples/SkewedGroupByTest.scala b/examples/src/main/scala/org/apache/spark/examples/SkewedGroupByTest.scala index 9c954b2b5b..31c6d108f3 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SkewedGroupByTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SkewedGroupByTest.scala @@ -34,7 +34,7 @@ object SkewedGroupByTest { var numReducers = if (args.length > 4) args(4).toInt else numMappers val sc = new SparkContext(args(0), "GroupBy Test", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val pairs1 = sc.parallelize(0 until numMappers, numMappers).flatMap { p => val ranGen = new Random diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkALS.scala b/examples/src/main/scala/org/apache/spark/examples/SparkALS.scala index 814944ba1c..30c86d83e6 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkALS.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkALS.scala @@ -112,7 +112,7 @@ object SparkALS { printf("Running with M=%d, U=%d, F=%d, iters=%d\n", M, U, F, ITERATIONS) val sc = new SparkContext(host, "SparkALS", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val R = generateR() diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkHdfsLR.scala b/examples/src/main/scala/org/apache/spark/examples/SparkHdfsLR.scala index 86dd9ca1b3..ff72532db1 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkHdfsLR.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkHdfsLR.scala @@ -54,7 +54,7 @@ object SparkHdfsLR { val inputPath = args(1) val conf = SparkHadoopUtil.get.newConfiguration() val sc = new SparkContext(args(0), "SparkHdfsLR", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR")), Map(), + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass), Map(), InputFormatInfo.computePreferredLocations( Seq(new InputFormatInfo(conf, classOf[org.apache.hadoop.mapred.TextInputFormat], inputPath)))) val lines = sc.textFile(inputPath) diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkKMeans.scala b/examples/src/main/scala/org/apache/spark/examples/SparkKMeans.scala index bc2db39c12..8c99025eaa 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkKMeans.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkKMeans.scala @@ -55,7 +55,7 @@ object SparkKMeans { System.exit(1) } val sc = new SparkContext(args(0), "SparkLocalKMeans", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val lines = sc.textFile(args(1)) val data = lines.map(parseVector _).cache() val K = args(2).toInt diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkLR.scala b/examples/src/main/scala/org/apache/spark/examples/SparkLR.scala index 9ed9fe4d76..c54a55bdb4 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkLR.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkLR.scala @@ -49,7 +49,7 @@ object SparkLR { System.exit(1) } val sc = new SparkContext(args(0), "SparkLR", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val numSlices = if (args.length > 1) args(1).toInt else 2 val points = sc.parallelize(generateData, numSlices).cache() diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala index a508c0df57..d203f4d20e 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala @@ -38,7 +38,7 @@ object SparkPageRank { } var iters = args(2).toInt val ctx = new SparkContext(args(0), "PageRank", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val lines = ctx.textFile(args(1), 1) val links = lines.map{ s => val parts = s.split("\\s+") diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala b/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala index a689e5a360..e5a09ecec0 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkPi.scala @@ -29,7 +29,7 @@ object SparkPi { System.exit(1) } val spark = new SparkContext(args(0), "SparkPi", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val slices = if (args.length > 1) args(1).toInt else 2 val n = 100000 * slices val count = spark.parallelize(1 to n, slices).map { i => diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkTC.scala b/examples/src/main/scala/org/apache/spark/examples/SparkTC.scala index 8543ce0e32..24e8afa26b 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkTC.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkTC.scala @@ -46,7 +46,7 @@ object SparkTC { System.exit(1) } val spark = new SparkContext(args(0), "SparkTC", - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass)) val slices = if (args.length > 1) args(1).toInt else 2 var tc = spark.parallelize(generateGraph, slices).cache() diff --git a/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRank.scala b/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRank.scala index 72b5c7b88e..4c0de46964 100644 --- a/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRank.scala +++ b/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRank.scala @@ -36,16 +36,18 @@ object WikipediaPageRank { System.err.println("Usage: WikipediaPageRank <inputFile> <threshold> <numPartitions> <host> <usePartitioner>") System.exit(-1) } - - System.setProperty("spark.serializer", "org.apache.spark.serializer.KryoSerializer") - System.setProperty("spark.kryo.registrator", classOf[PRKryoRegistrator].getName) + val sparkConf = new SparkConf() + sparkConf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer") + sparkConf.set("spark.kryo.registrator", classOf[PRKryoRegistrator].getName) val inputFile = args(0) val threshold = args(1).toDouble val numPartitions = args(2).toInt val host = args(3) val usePartitioner = args(4).toBoolean - val sc = new SparkContext(host, "WikipediaPageRank") + + sparkConf.setMaster(host).setAppName("WikipediaPageRank") + val sc = new SparkContext(sparkConf) // Parse the Wikipedia page data into a graph val input = sc.textFile(inputFile) diff --git a/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRankStandalone.scala b/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRankStandalone.scala index ddf6855325..2cf273a702 100644 --- a/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRankStandalone.scala +++ b/examples/src/main/scala/org/apache/spark/examples/bagel/WikipediaPageRankStandalone.scala @@ -34,15 +34,19 @@ object WikipediaPageRankStandalone { System.err.println("Usage: WikipediaPageRankStandalone <inputFile> <threshold> <numIterations> <host> <usePartitioner>") System.exit(-1) } + val sparkConf = new SparkConf() + sparkConf.set("spark.serializer", "spark.bagel.examples.WPRSerializer") - System.setProperty("spark.serializer", "spark.bagel.examples.WPRSerializer") val inputFile = args(0) val threshold = args(1).toDouble val numIterations = args(2).toInt val host = args(3) val usePartitioner = args(4).toBoolean - val sc = new SparkContext(host, "WikipediaPageRankStandalone") + + sparkConf.setMaster(host).setAppName("WikipediaPageRankStandalone") + + val sc = new SparkContext(sparkConf) val input = sc.textFile(inputFile) val partitioner = new HashPartitioner(sc.defaultParallelism) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala index 50e3f9639c..546495357f 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala @@ -26,6 +26,7 @@ import akka.actor.ActorRef import akka.actor.Props import akka.actor.actorRef2Scala +import org.apache.spark.SparkConf import org.apache.spark.streaming.Seconds import org.apache.spark.streaming.StreamingContext import org.apache.spark.streaming.StreamingContext.toPairDStreamFunctions @@ -116,7 +117,7 @@ object FeederActor { val Seq(host, port) = args.toSeq - val actorSystem = AkkaUtils.createActorSystem("test", host, port.toInt)._1 + val actorSystem = AkkaUtils.createActorSystem("test", host, port.toInt, conf = new SparkConf)._1 val feeder = actorSystem.actorOf(Props[FeederActor], "FeederActor") println("Feeder started as:" + feeder) @@ -133,9 +134,9 @@ object FeederActor { * <hostname> and <port> describe the AkkaSystem that Spark Sample feeder is running on. * * To run this example locally, you may run Feeder Actor as - * `$ ./run-example spark.streaming.examples.FeederActor 127.0.1.1 9999` + * `$ ./bin/run-example spark.streaming.examples.FeederActor 127.0.1.1 9999` * and then run the example - * `$ ./run-example spark.streaming.examples.ActorWordCount local[2] 127.0.1.1 9999` + * `$ ./bin/run-example spark.streaming.examples.ActorWordCount local[2] 127.0.1.1 9999` */ object ActorWordCount { def main(args: Array[String]) { @@ -150,7 +151,7 @@ object ActorWordCount { // Create the context and set the batch size val ssc = new StreamingContext(master, "ActorWordCount", Seconds(2), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) /* * Following is the use of actorStream to plug in custom actor as receiver diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/FlumeEventCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/FlumeEventCount.scala index 9f6e163454..5ef1928294 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/FlumeEventCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/FlumeEventCount.scala @@ -48,7 +48,7 @@ object FlumeEventCount { val batchInterval = Milliseconds(2000) // Create the context and set the batch size val ssc = new StreamingContext(master, "FlumeEventCount", batchInterval, - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Create a flume stream val stream = ssc.flumeStream(host,port,StorageLevel.MEMORY_ONLY) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/HdfsWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/HdfsWordCount.scala index bc8564b3ba..1486d77d8a 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/HdfsWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/HdfsWordCount.scala @@ -28,7 +28,7 @@ import org.apache.spark.streaming.StreamingContext._ * <directory> is the directory that Spark Streaming will use to find and read new text files. * * To run this on your local machine on directory `localdir`, run this example - * `$ ./run-example spark.streaming.examples.HdfsWordCount local[2] localdir` + * `$ ./bin/run-example spark.streaming.examples.HdfsWordCount local[2] localdir` * Then create a text file in `localdir` and the words in the file will get counted. */ object HdfsWordCount { @@ -40,7 +40,7 @@ object HdfsWordCount { // Create the context val ssc = new StreamingContext(args(0), "HdfsWordCount", Seconds(2), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Create the FileInputDStream on the directory and use the // stream to count words in new files created diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/KafkaWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/KafkaWordCount.scala index 570ba4c81a..172091be2e 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/KafkaWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/KafkaWordCount.scala @@ -35,7 +35,7 @@ import org.apache.spark.streaming.util.RawTextHelper._ * <numThreads> is the number of threads the kafka consumer should use * * Example: - * `./run-example spark.streaming.examples.KafkaWordCount local[2] zoo01,zoo02,zoo03 my-consumer-group topic1,topic2 1` + * `./bin/run-example spark.streaming.examples.KafkaWordCount local[2] zoo01,zoo02,zoo03 my-consumer-group topic1,topic2 1` */ object KafkaWordCount { def main(args: Array[String]) { @@ -48,7 +48,7 @@ object KafkaWordCount { val Array(master, zkQuorum, group, topics, numThreads) = args val ssc = new StreamingContext(master, "KafkaWordCount", Seconds(2), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) ssc.checkpoint("checkpoint") val topicpMap = topics.split(",").map((_,numThreads.toInt)).toMap diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/MQTTWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/MQTTWordCount.scala index ff332a0282..2d02ef77c0 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/MQTTWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/MQTTWordCount.scala @@ -79,9 +79,9 @@ object MQTTPublisher { * <MqttbrokerUrl> and <topic> describe where Mqtt publisher is running. * * To run this example locally, you may run publisher as - * `$ ./run-example org.apache.spark.streaming.examples.MQTTPublisher tcp://localhost:1883 foo` + * `$ ./bin/run-example org.apache.spark.streaming.examples.MQTTPublisher tcp://localhost:1883 foo` * and run the example as - * `$ ./run-example org.apache.spark.streaming.examples.MQTTWordCount local[2] tcp://localhost:1883 foo` + * `$ ./bin/run-example org.apache.spark.streaming.examples.MQTTWordCount local[2] tcp://localhost:1883 foo` */ object MQTTWordCount { @@ -96,7 +96,7 @@ object MQTTWordCount { val Seq(master, brokerUrl, topic) = args.toSeq val ssc = new StreamingContext(master, "MqttWordCount", Seconds(2), System.getenv("SPARK_HOME"), - Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + StreamingContext.jarOfClass(this.getClass)) val lines = ssc.mqttStream(brokerUrl, topic, StorageLevel.MEMORY_ONLY) val words = lines.flatMap(x => x.toString.split(" ")) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/NetworkWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/NetworkWordCount.scala index e2487dca5f..74d76ec26c 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/NetworkWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/NetworkWordCount.scala @@ -29,7 +29,7 @@ import org.apache.spark.streaming.StreamingContext._ * To run this on your local machine, you need to first run a Netcat server * `$ nc -lk 9999` * and then run the example - * `$ ./run-example spark.streaming.examples.NetworkWordCount local[2] localhost 9999` + * `$ ./bin/run-example spark.streaming.examples.NetworkWordCount local[2] localhost 9999` */ object NetworkWordCount { def main(args: Array[String]) { @@ -41,7 +41,7 @@ object NetworkWordCount { // Create the context with a 1 second batch size val ssc = new StreamingContext(args(0), "NetworkWordCount", Seconds(1), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Create a NetworkInputDStream on target ip:port and count the // words in input stream of \n delimited test (eg. generated by 'nc') diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/QueueStream.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/QueueStream.scala index fad512eeba..9d640e716b 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/QueueStream.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/QueueStream.scala @@ -33,7 +33,7 @@ object QueueStream { // Create the context val ssc = new StreamingContext(args(0), "QueueStream", Seconds(1), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Create the queue through which RDDs can be pushed to // a QueueInputDStream diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/RawNetworkGrep.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/RawNetworkGrep.scala index 0b45c30d20..c0706d0724 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/RawNetworkGrep.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/RawNetworkGrep.scala @@ -49,7 +49,7 @@ object RawNetworkGrep { // Create the context val ssc = new StreamingContext(master, "RawNetworkGrep", Milliseconds(batchMillis), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Warm up the JVMs on master and slave for JIT compilation to kick in RawTextHelper.warmUp(ssc.sparkContext) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/StatefulNetworkWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/StatefulNetworkWordCount.scala index cb30c4edb3..f43c8ab61d 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/StatefulNetworkWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/StatefulNetworkWordCount.scala @@ -29,7 +29,7 @@ import org.apache.spark.streaming.StreamingContext._ * To run this on your local machine, you need to first run a Netcat server * `$ nc -lk 9999` * and then run the example - * `$ ./run-example spark.streaming.examples.StatefulNetworkWordCount local[2] localhost 9999` + * `$ ./bin/run-example spark.streaming.examples.StatefulNetworkWordCount local[2] localhost 9999` */ object StatefulNetworkWordCount { def main(args: Array[String]) { @@ -49,7 +49,7 @@ object StatefulNetworkWordCount { // Create the context with a 1 second batch size val ssc = new StreamingContext(args(0), "NetworkWordCumulativeCountUpdateStateByKey", Seconds(1), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) ssc.checkpoint(".") // Create a NetworkInputDStream on target ip:port and count the diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdCMS.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdCMS.scala index 35b6329ab3..9d21d3178f 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdCMS.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdCMS.scala @@ -60,7 +60,7 @@ object TwitterAlgebirdCMS { val (master, filters) = (args.head, args.tail) val ssc = new StreamingContext(master, "TwitterAlgebirdCMS", Seconds(10), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) val stream = ssc.twitterStream(None, filters, StorageLevel.MEMORY_ONLY_SER) val users = stream.map(status => status.getUser.getId) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdHLL.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdHLL.scala index 8bfde2a829..5111e6f62a 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdHLL.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterAlgebirdHLL.scala @@ -49,7 +49,7 @@ object TwitterAlgebirdHLL { val (master, filters) = (args.head, args.tail) val ssc = new StreamingContext(master, "TwitterAlgebirdHLL", Seconds(5), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) val stream = ssc.twitterStream(None, filters, StorageLevel.MEMORY_ONLY_SER) val users = stream.map(status => status.getUser.getId) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterPopularTags.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterPopularTags.scala index 27aa6b14bf..7a3df687b7 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterPopularTags.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/TwitterPopularTags.scala @@ -38,7 +38,7 @@ object TwitterPopularTags { val (master, filters) = (args.head, args.tail) val ssc = new StreamingContext(master, "TwitterPopularTags", Seconds(2), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) val stream = ssc.twitterStream(None, filters) val hashTags = stream.flatMap(status => status.getText.split(" ").filter(_.startsWith("#"))) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/ZeroMQWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/ZeroMQWordCount.scala index e83ce78aa5..89d3042123 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/ZeroMQWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/ZeroMQWordCount.scala @@ -62,9 +62,9 @@ object SimpleZeroMQPublisher { * <zeroMQurl> and <topic> describe where zeroMq publisher is running. * * To run this example locally, you may run publisher as - * `$ ./run-example spark.streaming.examples.SimpleZeroMQPublisher tcp://127.0.1.1:1234 foo.bar` + * `$ ./bin/run-example spark.streaming.examples.SimpleZeroMQPublisher tcp://127.0.1.1:1234 foo.bar` * and run the example as - * `$ ./run-example spark.streaming.examples.ZeroMQWordCount local[2] tcp://127.0.1.1:1234 foo` + * `$ ./bin/run-example spark.streaming.examples.ZeroMQWordCount local[2] tcp://127.0.1.1:1234 foo` */ object ZeroMQWordCount { def main(args: Array[String]) { @@ -78,7 +78,7 @@ object ZeroMQWordCount { // Create the context and set the batch size val ssc = new StreamingContext(master, "ZeroMQWordCount", Seconds(2), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) def bytesToStringIterator(x: Seq[ByteString]) = (x.map(_.utf8String)).iterator diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewGenerator.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewGenerator.scala index de70c50473..1a40fdb9a3 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewGenerator.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewGenerator.scala @@ -39,8 +39,8 @@ object PageView extends Serializable { /** Generates streaming events to simulate page views on a website. * * This should be used in tandem with PageViewStream.scala. Example: - * $ ./run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 - * $ ./run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 + * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 + * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 * * When running this, you may want to set the root logging level to ERROR in * conf/log4j.properties to reduce the verbosity of the output. diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewStream.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewStream.scala index 8282cc9269..0569846f18 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewStream.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/clickstream/PageViewStream.scala @@ -25,8 +25,8 @@ import org.apache.spark.SparkContext._ * operators available in Spark streaming. * * This should be used in tandem with PageViewStream.scala. Example: - * $ ./run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 - * $ ./run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 + * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 + * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 */ object PageViewStream { def main(args: Array[String]) { @@ -42,7 +42,7 @@ object PageViewStream { // Create the context val ssc = new StreamingContext("local[2]", "PageViewStream", Seconds(1), - System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR"))) + System.getenv("SPARK_HOME"), StreamingContext.jarOfClass(this.getClass)) // Create a NetworkInputDStream on target host:port and convert each line to a PageView val pageViews = ssc.socketTextStream(host, port) diff --git a/make-distribution.sh b/make-distribution.sh index 32bbdb90a5..6c466c8a06 100755 --- a/make-distribution.sh +++ b/make-distribution.sh @@ -31,10 +31,10 @@ # # Recommended deploy/testing procedure (standalone mode): # 1) Rsync / deploy the dist/ dir to one host -# 2) cd to deploy dir; ./bin/start-master.sh +# 2) cd to deploy dir; ./sbin/start-master.sh # 3) Verify master is up by visiting web page, ie http://master-ip:8080. Note the spark:// URL. -# 4) ./bin/start-slave.sh 1 <<spark:// URL>> -# 5) MASTER="spark://my-master-ip:7077" ./spark-shell +# 4) ./sbin/start-slave.sh 1 <<spark:// URL>> +# 5) MASTER="spark://my-master-ip:7077" ./bin/spark-shell # # Figure out where the Spark framework is installed @@ -43,7 +43,14 @@ DISTDIR="$FWDIR/dist" # Get version from SBT export TERM=dumb # Prevents color codes in SBT output -VERSION=$($FWDIR/sbt/sbt "show version" | tail -1 | cut -f 2 | sed 's/^\([a-zA-Z0-9.-]*\).*/\1/') + +if ! test `which sbt` ;then + echo -e "You need sbt installed and available on your path." + echo -e "Download sbt from http://www.scala-sbt.org/" + exit -1; +fi + +VERSION=$(sbt "show version" | tail -1 | cut -f 2 | sed 's/^\([a-zA-Z0-9.-]*\).*/\1/') # Initialize defaults SPARK_HADOOP_VERSION=1.0.4 @@ -83,7 +90,9 @@ fi # Build fat JAR export SPARK_HADOOP_VERSION export SPARK_YARN -"$FWDIR/sbt/sbt" "assembly/assembly" +cd $FWDIR + +"sbt" "assembly/assembly" # Make directories rm -rf "$DISTDIR" @@ -98,10 +107,7 @@ mkdir "$DISTDIR"/conf cp "$FWDIR"/conf/*.template "$DISTDIR"/conf cp -r "$FWDIR/bin" "$DISTDIR" cp -r "$FWDIR/python" "$DISTDIR" -cp "$FWDIR/spark-class" "$DISTDIR" -cp "$FWDIR/spark-shell" "$DISTDIR" -cp "$FWDIR/spark-executor" "$DISTDIR" -cp "$FWDIR/pyspark" "$DISTDIR" +cp -r "$FWDIR/sbin" "$DISTDIR" if [ "$MAKE_TGZ" == "true" ]; then diff --git a/mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala b/mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala new file mode 100644 index 0000000000..8247c1ebc5 --- /dev/null +++ b/mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala @@ -0,0 +1,232 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.mllib.api.python +import org.apache.spark.api.java.JavaRDD +import org.apache.spark.mllib.regression._ +import org.apache.spark.mllib.classification._ +import org.apache.spark.mllib.clustering._ +import org.apache.spark.mllib.recommendation._ +import org.apache.spark.rdd.RDD +import java.nio.ByteBuffer +import java.nio.ByteOrder +import java.nio.DoubleBuffer + +/** + * The Java stubs necessary for the Python mllib bindings. + */ +class PythonMLLibAPI extends Serializable { + private def deserializeDoubleVector(bytes: Array[Byte]): Array[Double] = { + val packetLength = bytes.length + if (packetLength < 16) { + throw new IllegalArgumentException("Byte array too short.") + } + val bb = ByteBuffer.wrap(bytes) + bb.order(ByteOrder.nativeOrder()) + val magic = bb.getLong() + if (magic != 1) { + throw new IllegalArgumentException("Magic " + magic + " is wrong.") + } + val length = bb.getLong() + if (packetLength != 16 + 8 * length) { + throw new IllegalArgumentException("Length " + length + " is wrong.") + } + val db = bb.asDoubleBuffer() + val ans = new Array[Double](length.toInt) + db.get(ans) + return ans + } + + private def serializeDoubleVector(doubles: Array[Double]): Array[Byte] = { + val len = doubles.length + val bytes = new Array[Byte](16 + 8 * len) + val bb = ByteBuffer.wrap(bytes) + bb.order(ByteOrder.nativeOrder()) + bb.putLong(1) + bb.putLong(len) + val db = bb.asDoubleBuffer() + db.put(doubles) + return bytes + } + + private def deserializeDoubleMatrix(bytes: Array[Byte]): Array[Array[Double]] = { + val packetLength = bytes.length + if (packetLength < 24) { + throw new IllegalArgumentException("Byte array too short.") + } + val bb = ByteBuffer.wrap(bytes) + bb.order(ByteOrder.nativeOrder()) + val magic = bb.getLong() + if (magic != 2) { + throw new IllegalArgumentException("Magic " + magic + " is wrong.") + } + val rows = bb.getLong() + val cols = bb.getLong() + if (packetLength != 24 + 8 * rows * cols) { + throw new IllegalArgumentException("Size " + rows + "x" + cols + " is wrong.") + } + val db = bb.asDoubleBuffer() + val ans = new Array[Array[Double]](rows.toInt) + var i = 0 + for (i <- 0 until rows.toInt) { + ans(i) = new Array[Double](cols.toInt) + db.get(ans(i)) + } + return ans + } + + private def serializeDoubleMatrix(doubles: Array[Array[Double]]): Array[Byte] = { + val rows = doubles.length + var cols = 0 + if (rows > 0) { + cols = doubles(0).length + } + val bytes = new Array[Byte](24 + 8 * rows * cols) + val bb = ByteBuffer.wrap(bytes) + bb.order(ByteOrder.nativeOrder()) + bb.putLong(2) + bb.putLong(rows) + bb.putLong(cols) + val db = bb.asDoubleBuffer() + var i = 0 + for (i <- 0 until rows) { + db.put(doubles(i)) + } + return bytes + } + + private def trainRegressionModel(trainFunc: (RDD[LabeledPoint], Array[Double]) => GeneralizedLinearModel, + dataBytesJRDD: JavaRDD[Array[Byte]], initialWeightsBA: Array[Byte]): + java.util.LinkedList[java.lang.Object] = { + val data = dataBytesJRDD.rdd.map(xBytes => { + val x = deserializeDoubleVector(xBytes) + LabeledPoint(x(0), x.slice(1, x.length)) + }) + val initialWeights = deserializeDoubleVector(initialWeightsBA) + val model = trainFunc(data, initialWeights) + val ret = new java.util.LinkedList[java.lang.Object]() + ret.add(serializeDoubleVector(model.weights)) + ret.add(model.intercept: java.lang.Double) + return ret + } + + /** + * Java stub for Python mllib LinearRegressionWithSGD.train() + */ + def trainLinearRegressionModelWithSGD(dataBytesJRDD: JavaRDD[Array[Byte]], + numIterations: Int, stepSize: Double, miniBatchFraction: Double, + initialWeightsBA: Array[Byte]): java.util.List[java.lang.Object] = { + return trainRegressionModel((data, initialWeights) => + LinearRegressionWithSGD.train(data, numIterations, stepSize, + miniBatchFraction, initialWeights), + dataBytesJRDD, initialWeightsBA) + } + + /** + * Java stub for Python mllib LassoWithSGD.train() + */ + def trainLassoModelWithSGD(dataBytesJRDD: JavaRDD[Array[Byte]], numIterations: Int, + stepSize: Double, regParam: Double, miniBatchFraction: Double, + initialWeightsBA: Array[Byte]): java.util.List[java.lang.Object] = { + return trainRegressionModel((data, initialWeights) => + LassoWithSGD.train(data, numIterations, stepSize, regParam, + miniBatchFraction, initialWeights), + dataBytesJRDD, initialWeightsBA) + } + + /** + * Java stub for Python mllib RidgeRegressionWithSGD.train() + */ + def trainRidgeModelWithSGD(dataBytesJRDD: JavaRDD[Array[Byte]], numIterations: Int, + stepSize: Double, regParam: Double, miniBatchFraction: Double, + initialWeightsBA: Array[Byte]): java.util.List[java.lang.Object] = { + return trainRegressionModel((data, initialWeights) => + RidgeRegressionWithSGD.train(data, numIterations, stepSize, regParam, + miniBatchFraction, initialWeights), + dataBytesJRDD, initialWeightsBA) + } + + /** + * Java stub for Python mllib SVMWithSGD.train() + */ + def trainSVMModelWithSGD(dataBytesJRDD: JavaRDD[Array[Byte]], numIterations: Int, + stepSize: Double, regParam: Double, miniBatchFraction: Double, + initialWeightsBA: Array[Byte]): java.util.List[java.lang.Object] = { + return trainRegressionModel((data, initialWeights) => + SVMWithSGD.train(data, numIterations, stepSize, regParam, + miniBatchFraction, initialWeights), + dataBytesJRDD, initialWeightsBA) + } + + /** + * Java stub for Python mllib LogisticRegressionWithSGD.train() + */ + def trainLogisticRegressionModelWithSGD(dataBytesJRDD: JavaRDD[Array[Byte]], + numIterations: Int, stepSize: Double, miniBatchFraction: Double, + initialWeightsBA: Array[Byte]): java.util.List[java.lang.Object] = { + return trainRegressionModel((data, initialWeights) => + LogisticRegressionWithSGD.train(data, numIterations, stepSize, + miniBatchFraction, initialWeights), + dataBytesJRDD, initialWeightsBA) + } + + /** + * Java stub for Python mllib KMeans.train() + */ + def trainKMeansModel(dataBytesJRDD: JavaRDD[Array[Byte]], k: Int, + maxIterations: Int, runs: Int, initializationMode: String): + java.util.List[java.lang.Object] = { + val data = dataBytesJRDD.rdd.map(xBytes => deserializeDoubleVector(xBytes)) + val model = KMeans.train(data, k, maxIterations, runs, initializationMode) + val ret = new java.util.LinkedList[java.lang.Object]() + ret.add(serializeDoubleMatrix(model.clusterCenters)) + return ret + } + + private def unpackRating(ratingBytes: Array[Byte]): Rating = { + val bb = ByteBuffer.wrap(ratingBytes) + bb.order(ByteOrder.nativeOrder()) + val user = bb.getInt() + val product = bb.getInt() + val rating = bb.getDouble() + return new Rating(user, product, rating) + } + + /** + * Java stub for Python mllib ALS.train(). This stub returns a handle + * to the Java object instead of the content of the Java object. Extra care + * needs to be taken in the Python code to ensure it gets freed on exit; see + * the Py4J documentation. + */ + def trainALSModel(ratingsBytesJRDD: JavaRDD[Array[Byte]], rank: Int, + iterations: Int, lambda: Double, blocks: Int): MatrixFactorizationModel = { + val ratings = ratingsBytesJRDD.rdd.map(unpackRating) + return ALS.train(ratings, rank, iterations, lambda, blocks) + } + + /** + * Java stub for Python mllib ALS.trainImplicit(). This stub returns a + * handle to the Java object instead of the content of the Java object. + * Extra care needs to be taken in the Python code to ensure it gets freed on + * exit; see the Py4J documentation. + */ + def trainImplicitALSModel(ratingsBytesJRDD: JavaRDD[Array[Byte]], rank: Int, + iterations: Int, lambda: Double, blocks: Int, alpha: Double): MatrixFactorizationModel = { + val ratings = ratingsBytesJRDD.rdd.map(unpackRating) + return ALS.trainImplicit(ratings, rank, iterations, lambda, blocks, alpha) + } +} diff --git a/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala b/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala new file mode 100644 index 0000000000..524300d6ae --- /dev/null +++ b/mllib/src/main/scala/org/apache/spark/mllib/classification/NaiveBayes.scala @@ -0,0 +1,119 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.mllib.classification + +import scala.collection.mutable + +import org.jblas.DoubleMatrix + +import org.apache.spark.Logging +import org.apache.spark.mllib.regression.LabeledPoint +import org.apache.spark.rdd.RDD + +/** + * Model for Naive Bayes Classifiers. + * + * @param pi Log of class priors, whose dimension is C. + * @param theta Log of class conditional probabilities, whose dimension is CXD. + */ +class NaiveBayesModel(pi: Array[Double], theta: Array[Array[Double]]) + extends ClassificationModel with Serializable { + + // Create a column vector that can be used for predictions + private val _pi = new DoubleMatrix(pi.length, 1, pi: _*) + private val _theta = new DoubleMatrix(theta) + + def predict(testData: RDD[Array[Double]]): RDD[Double] = testData.map(predict) + + def predict(testData: Array[Double]): Double = { + val dataMatrix = new DoubleMatrix(testData.length, 1, testData: _*) + val result = _pi.add(_theta.mmul(dataMatrix)) + result.argmax() + } +} + +/** + * Trains a Naive Bayes model given an RDD of `(label, features)` pairs. + * + * @param lambda The smooth parameter + */ +class NaiveBayes private (val lambda: Double = 1.0) + extends Serializable with Logging { + + /** + * Run the algorithm with the configured parameters on an input RDD of LabeledPoint entries. + * + * @param data RDD of (label, array of features) pairs. + */ + def run(data: RDD[LabeledPoint]) = { + // Aggregates all sample points to driver side to get sample count and summed feature vector + // for each label. The shape of `zeroCombiner` & `aggregated` is: + // + // label: Int -> (count: Int, featuresSum: DoubleMatrix) + val zeroCombiner = mutable.Map.empty[Int, (Int, DoubleMatrix)] + val aggregated = data.aggregate(zeroCombiner)({ (combiner, point) => + point match { + case LabeledPoint(label, features) => + val (count, featuresSum) = combiner.getOrElse(label.toInt, (0, DoubleMatrix.zeros(1))) + val fs = new DoubleMatrix(features.length, 1, features: _*) + combiner += label.toInt -> (count + 1, featuresSum.addi(fs)) + } + }, { (lhs, rhs) => + for ((label, (c, fs)) <- rhs) { + val (count, featuresSum) = lhs.getOrElse(label, (0, DoubleMatrix.zeros(1))) + lhs(label) = (count + c, featuresSum.addi(fs)) + } + lhs + }) + + // Kinds of label + val C = aggregated.size + // Total sample count + val N = aggregated.values.map(_._1).sum + + val pi = new Array[Double](C) + val theta = new Array[Array[Double]](C) + val piLogDenom = math.log(N + C * lambda) + + for ((label, (count, fs)) <- aggregated) { + val thetaLogDenom = math.log(fs.sum() + fs.length * lambda) + pi(label) = math.log(count + lambda) - piLogDenom + theta(label) = fs.toArray.map(f => math.log(f + lambda) - thetaLogDenom) + } + + new NaiveBayesModel(pi, theta) + } +} + +object NaiveBayes { + /** + * Trains a Naive Bayes model given an RDD of `(label, features)` pairs. + * + * This is the Multinomial NB ([[http://tinyurl.com/lsdw6p]]) which can handle all kinds of + * discrete data. For example, by converting documents into TF-IDF vectors, it can be used for + * document classification. By making every vector a 0-1 vector. it can also be used as + * Bernoulli NB ([[http://tinyurl.com/p7c96j6]]). + * + * @param input RDD of `(label, array of features)` pairs. Every vector should be a frequency + * vector or a count vector. + * @param lambda The smooth parameter + */ + def train(input: RDD[LabeledPoint], lambda: Double = 1.0): NaiveBayesModel = { + new NaiveBayes(lambda).run(input) + } +} diff --git a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala index 36853acab5..8b27ecf82c 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala @@ -578,14 +578,13 @@ object ALS { val implicitPrefs = if (args.length >= 7) args(6).toBoolean else false val alpha = if (args.length >= 8) args(7).toDouble else 1 val blocks = if (args.length == 9) args(8).toInt else -1 - - System.setProperty("spark.serializer", "org.apache.spark.serializer.KryoSerializer") - System.setProperty("spark.kryo.registrator", classOf[ALSRegistrator].getName) - System.setProperty("spark.kryo.referenceTracking", "false") - System.setProperty("spark.kryoserializer.buffer.mb", "8") - System.setProperty("spark.locality.wait", "10000") - val sc = new SparkContext(master, "ALS") + sc.conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer") + sc.conf.set("spark.kryo.registrator", classOf[ALSRegistrator].getName) + sc.conf.set("spark.kryo.referenceTracking", "false") + sc.conf.set("spark.kryoserializer.buffer.mb", "8") + sc.conf.set("spark.locality.wait", "10000") + val ratings = sc.textFile(ratingsFile).map { line => val fields = line.split(',') Rating(fields(0).toInt, fields(1).toInt, fields(2).toDouble) diff --git a/mllib/src/test/scala/org/apache/spark/mllib/classification/NaiveBayesSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/classification/NaiveBayesSuite.scala new file mode 100644 index 0000000000..b615f76e66 --- /dev/null +++ b/mllib/src/test/scala/org/apache/spark/mllib/classification/NaiveBayesSuite.scala @@ -0,0 +1,108 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.mllib.classification + +import scala.util.Random + +import org.scalatest.BeforeAndAfterAll +import org.scalatest.FunSuite + +import org.apache.spark.mllib.regression.LabeledPoint +import org.apache.spark.SparkContext + +object NaiveBayesSuite { + + private def calcLabel(p: Double, pi: Array[Double]): Int = { + var sum = 0.0 + for (j <- 0 until pi.length) { + sum += pi(j) + if (p < sum) return j + } + -1 + } + + // Generate input of the form Y = (theta * x).argmax() + def generateNaiveBayesInput( + pi: Array[Double], // 1XC + theta: Array[Array[Double]], // CXD + nPoints: Int, + seed: Int): Seq[LabeledPoint] = { + val D = theta(0).length + val rnd = new Random(seed) + + val _pi = pi.map(math.pow(math.E, _)) + val _theta = theta.map(row => row.map(math.pow(math.E, _))) + + for (i <- 0 until nPoints) yield { + val y = calcLabel(rnd.nextDouble(), _pi) + val xi = Array.tabulate[Double](D) { j => + if (rnd.nextDouble() < _theta(y)(j)) 1 else 0 + } + + LabeledPoint(y, xi) + } + } +} + +class NaiveBayesSuite extends FunSuite with BeforeAndAfterAll { + @transient private var sc: SparkContext = _ + + override def beforeAll() { + sc = new SparkContext("local", "test") + } + + override def afterAll() { + sc.stop() + System.clearProperty("spark.driver.port") + } + + def validatePrediction(predictions: Seq[Double], input: Seq[LabeledPoint]) { + val numOfPredictions = predictions.zip(input).count { + case (prediction, expected) => + prediction != expected.label + } + // At least 80% of the predictions should be on. + assert(numOfPredictions < input.length / 5) + } + + test("Naive Bayes") { + val nPoints = 10000 + + val pi = Array(0.5, 0.3, 0.2).map(math.log) + val theta = Array( + Array(0.91, 0.03, 0.03, 0.03), // label 0 + Array(0.03, 0.91, 0.03, 0.03), // label 1 + Array(0.03, 0.03, 0.91, 0.03) // label 2 + ).map(_.map(math.log)) + + val testData = NaiveBayesSuite.generateNaiveBayesInput(pi, theta, nPoints, 42) + val testRDD = sc.parallelize(testData, 2) + testRDD.cache() + + val model = NaiveBayes.train(testRDD) + + val validationData = NaiveBayesSuite.generateNaiveBayesInput(pi, theta, nPoints, 17) + val validationRDD = sc.parallelize(validationData, 2) + + // Test prediction on RDD. + validatePrediction(model.predict(validationRDD.map(_.features)).collect(), validationData) + + // Test prediction on Array. + validatePrediction(validationData.map(row => model.predict(row.features)), validationData) + } +} diff --git a/new-yarn/pom.xml b/new-yarn/pom.xml deleted file mode 100644 index 4cd28f34e3..0000000000 --- a/new-yarn/pom.xml +++ /dev/null @@ -1,161 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<!-- - ~ Licensed to the Apache Software Foundation (ASF) under one or more - ~ contributor license agreements. See the NOTICE file distributed with - ~ this work for additional information regarding copyright ownership. - ~ The ASF licenses this file to You under the Apache License, Version 2.0 - ~ (the "License"); you may not use this file except in compliance with - ~ the License. You may obtain a copy of the License at - ~ - ~ http://www.apache.org/licenses/LICENSE-2.0 - ~ - ~ Unless required by applicable law or agreed to in writing, software - ~ distributed under the License is distributed on an "AS IS" BASIS, - ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - ~ See the License for the specific language governing permissions and - ~ limitations under the License. - --> -<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> - <modelVersion>4.0.0</modelVersion> - <parent> - <groupId>org.apache.spark</groupId> - <artifactId>spark-parent</artifactId> - <version>0.9.0-incubating-SNAPSHOT</version> - <relativePath>../pom.xml</relativePath> - </parent> - - <groupId>org.apache.spark</groupId> - <artifactId>spark-yarn_2.10</artifactId> - <packaging>jar</packaging> - <name>Spark Project YARN Support</name> - <url>http://spark.incubator.apache.org/</url> - - <dependencies> - <dependency> - <groupId>org.apache.spark</groupId> - <artifactId>spark-core_2.10</artifactId> - <version>${project.version}</version> - </dependency> - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-yarn-api</artifactId> - </dependency> - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-yarn-common</artifactId> - </dependency> - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-yarn-client</artifactId> - </dependency> - <dependency> - <groupId>org.apache.hadoop</groupId> - <artifactId>hadoop-client</artifactId> - <version>${yarn.version}</version> - </dependency> - <dependency> - <groupId>org.apache.avro</groupId> - <artifactId>avro</artifactId> - </dependency> - <dependency> - <groupId>org.apache.avro</groupId> - <artifactId>avro-ipc</artifactId> - </dependency> - <dependency> - <groupId>org.scalatest</groupId> - <artifactId>scalatest_2.10</artifactId> - <scope>test</scope> - </dependency> - <dependency> - <groupId>org.mockito</groupId> - <artifactId>mockito-all</artifactId> - <scope>test</scope> - </dependency> - </dependencies> - - <build> - <outputDirectory>target/scala-${scala.version}/classes</outputDirectory> - <testOutputDirectory>target/scala-${scala.version}/test-classes</testOutputDirectory> - <plugins> - <plugin> - <groupId>org.apache.maven.plugins</groupId> - <artifactId>maven-shade-plugin</artifactId> - <configuration> - <shadedArtifactAttached>false</shadedArtifactAttached> - <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-shaded.jar</outputFile> - <artifactSet> - <includes> - <include>*:*</include> - </includes> - </artifactSet> - <filters> - <filter> - <artifact>*:*</artifact> - <excludes> - <exclude>META-INF/*.SF</exclude> - <exclude>META-INF/*.DSA</exclude> - <exclude>META-INF/*.RSA</exclude> - </excludes> - </filter> - </filters> - </configuration> - <executions> - <execution> - <phase>package</phase> - <goals> - <goal>shade</goal> - </goals> - <configuration> - <transformers> - <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" /> - <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer"> - <resource>reference.conf</resource> - </transformer> - </transformers> - </configuration> - </execution> - </executions> - </plugin> - <plugin> - <groupId>org.apache.maven.plugins</groupId> - <artifactId>maven-antrun-plugin</artifactId> - <executions> - <execution> - <phase>test</phase> - <goals> - <goal>run</goal> - </goals> - <configuration> - <exportAntProperties>true</exportAntProperties> - <tasks> - <property name="spark.classpath" refid="maven.test.classpath" /> - <property environment="env" /> - <fail message="Please set the SCALA_HOME (or SCALA_LIBRARY_PATH if scala is on the path) environment variables and retry."> - <condition> - <not> - <or> - <isset property="env.SCALA_HOME" /> - <isset property="env.SCALA_LIBRARY_PATH" /> - </or> - </not> - </condition> - </fail> - </tasks> - </configuration> - </execution> - </executions> - </plugin> - <plugin> - <groupId>org.scalatest</groupId> - <artifactId>scalatest-maven-plugin</artifactId> - <configuration> - <environmentVariables> - <SPARK_HOME>${basedir}/..</SPARK_HOME> - <SPARK_TESTING>1</SPARK_TESTING> - <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH> - </environmentVariables> - </configuration> - </plugin> - </plugins> - </build> -</project> diff --git a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala b/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala deleted file mode 100644 index 63a0449e5a..0000000000 --- a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.scheduler.cluster - -import org.apache.spark._ -import org.apache.hadoop.conf.Configuration -import org.apache.spark.deploy.yarn.YarnAllocationHandler -import org.apache.spark.util.Utils - -/** - * - * This scheduler launch worker through Yarn - by call into Client to launch WorkerLauncher as AM. - */ -private[spark] class YarnClientClusterScheduler(sc: SparkContext, conf: Configuration) extends ClusterScheduler(sc) { - - def this(sc: SparkContext) = this(sc, new Configuration()) - - // By default, rack is unknown - override def getRackForHost(hostPort: String): Option[String] = { - val host = Utils.parseHostPort(hostPort)._1 - val retval = YarnAllocationHandler.lookupRack(conf, host) - if (retval != null) Some(retval) else None - } - - override def postStartHook() { - - // The yarn application is running, but the worker might not yet ready - // Wait for a few seconds for the slaves to bootstrap and register with master - best case attempt - Thread.sleep(2000L) - logInfo("YarnClientClusterScheduler.postStartHook done") - } -} diff --git a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala b/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala deleted file mode 100644 index b206780c78..0000000000 --- a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.scheduler.cluster - -import org.apache.hadoop.yarn.api.records.{ApplicationId, YarnApplicationState} -import org.apache.spark.{SparkException, Logging, SparkContext} -import org.apache.spark.deploy.yarn.{Client, ClientArguments} - -private[spark] class YarnClientSchedulerBackend( - scheduler: ClusterScheduler, - sc: SparkContext) - extends CoarseGrainedSchedulerBackend(scheduler, sc.env.actorSystem) - with Logging { - - var client: Client = null - var appId: ApplicationId = null - - override def start() { - super.start() - - val defalutWorkerCores = "2" - val defalutWorkerMemory = "512m" - val defaultWorkerNumber = "1" - - val userJar = System.getenv("SPARK_YARN_APP_JAR") - var workerCores = System.getenv("SPARK_WORKER_CORES") - var workerMemory = System.getenv("SPARK_WORKER_MEMORY") - var workerNumber = System.getenv("SPARK_WORKER_INSTANCES") - - if (userJar == null) - throw new SparkException("env SPARK_YARN_APP_JAR is not set") - - if (workerCores == null) - workerCores = defalutWorkerCores - if (workerMemory == null) - workerMemory = defalutWorkerMemory - if (workerNumber == null) - workerNumber = defaultWorkerNumber - - val driverHost = System.getProperty("spark.driver.host") - val driverPort = System.getProperty("spark.driver.port") - val hostport = driverHost + ":" + driverPort - - val argsArray = Array[String]( - "--class", "notused", - "--jar", userJar, - "--args", hostport, - "--worker-memory", workerMemory, - "--worker-cores", workerCores, - "--num-workers", workerNumber, - "--master-class", "org.apache.spark.deploy.yarn.WorkerLauncher" - ) - - val args = new ClientArguments(argsArray) - client = new Client(args) - appId = client.runApp() - waitForApp() - } - - def waitForApp() { - - // TODO : need a better way to find out whether the workers are ready or not - // maybe by resource usage report? - while(true) { - val report = client.getApplicationReport(appId) - - logInfo("Application report from ASM: \n" + - "\t appMasterRpcPort: " + report.getRpcPort() + "\n" + - "\t appStartTime: " + report.getStartTime() + "\n" + - "\t yarnAppState: " + report.getYarnApplicationState() + "\n" - ) - - // Ready to go, or already gone. - val state = report.getYarnApplicationState() - if (state == YarnApplicationState.RUNNING) { - return - } else if (state == YarnApplicationState.FINISHED || - state == YarnApplicationState.FAILED || - state == YarnApplicationState.KILLED) { - throw new SparkException("Yarn application already ended," + - "might be killed or not able to launch application master.") - } - - Thread.sleep(1000) - } - } - - override def stop() { - super.stop() - client.stop() - logInfo("Stoped") - } - -} @@ -188,7 +188,7 @@ <dependency> <groupId>com.ning</groupId> <artifactId>compress-lzf</artifactId> - <version>0.8.4</version> + <version>1.0.0</version> </dependency> <dependency> <groupId>org.xerial.snappy</groupId> @@ -200,6 +200,11 @@ <artifactId>asm</artifactId> <version>4.0</version> </dependency> + <dependency> + <groupId>com.clearspring.analytics</groupId> + <artifactId>stream</artifactId> + <version>2.4.0</version> + </dependency> <!-- In theory we need not directly depend on protobuf since Spark does not directly use it. However, when building with Hadoop/YARN 2.2 Maven doesn't correctly bump the protobuf version up from the one Mesos gives. For now we include this variable @@ -282,7 +287,7 @@ <dependency> <groupId>io.netty</groupId> <artifactId>netty-all</artifactId> - <version>4.0.0.CR1</version> + <version>4.0.13.Final</version> </dependency> <dependency> <groupId>org.apache.derby</groupId> @@ -717,12 +722,11 @@ <profiles> <profile> - <id>hadoop2-yarn</id> + <id>yarn-alpha</id> <properties> <hadoop.major.version>2</hadoop.major.version> <!-- 0.23.* is same as 2.0.* - except hardened to run production jobs --> <hadoop.version>0.23.7</hadoop.version> - <protobuf.version>2.5.0</protobuf.version> <!--<hadoop.version>2.0.5-alpha</hadoop.version> --> </properties> @@ -730,57 +734,20 @@ <module>yarn</module> </modules> - <repositories> - <repository> - <id>maven-root</id> - <name>Maven root repository</name> - <url>http://repo1.maven.org/maven2</url> - <releases> - <enabled>true</enabled> - </releases> - <snapshots> - <enabled>false</enabled> - </snapshots> - </repository> - </repositories> - - <dependencyManagement> - <dependencies> - </dependencies> - </dependencyManagement> </profile> <profile> - <id>new-yarn</id> - <properties> - <hadoop.major.version>2</hadoop.major.version> - <hadoop.version>2.2.0</hadoop.version> - <protobuf.version>2.5.0</protobuf.version> - </properties> - - <modules> - <module>new-yarn</module> - </modules> - - <repositories> - <repository> - <id>maven-root</id> - <name>Maven root repository</name> - <url>http://repo1.maven.org/maven2</url> - <releases> - <enabled>true</enabled> - </releases> - <snapshots> - <enabled>false</enabled> - </snapshots> - </repository> - </repositories> + <id>yarn</id> + <properties> + <hadoop.major.version>2</hadoop.major.version> + <hadoop.version>2.2.0</hadoop.version> + <protobuf.version>2.5.0</protobuf.version> + </properties> + <modules> + <module>yarn</module> + </modules> - <dependencyManagement> - <dependencies> - </dependencies> - </dependencyManagement> - </profile> + </profile> <profile> <id>repl-bin</id> diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala index 7bcbd90bd3..051e5105f3 100644 --- a/project/SparkBuild.scala +++ b/project/SparkBuild.scala @@ -20,6 +20,7 @@ import sbt.Classpaths.publishTask import Keys._ import sbtassembly.Plugin._ import AssemblyKeys._ +import scala.util.Properties // For Sonatype publishing //import com.jsuereth.pgp.sbtplugin.PgpKeys._ @@ -68,10 +69,11 @@ object SparkBuild extends Build { // A configuration to set an alternative publishLocalConfiguration lazy val MavenCompile = config("m2r") extend(Compile) lazy val publishLocalBoth = TaskKey[Unit]("publish-local", "publish local for m2 and ivy") + val sparkHome = System.getProperty("user.dir") // Allows build configuration to be set through environment variables - lazy val hadoopVersion = scala.util.Properties.envOrElse("SPARK_HADOOP_VERSION", DEFAULT_HADOOP_VERSION) - lazy val isNewHadoop = scala.util.Properties.envOrNone("SPARK_IS_NEW_HADOOP") match { + lazy val hadoopVersion = Properties.envOrElse("SPARK_HADOOP_VERSION", DEFAULT_HADOOP_VERSION) + lazy val isNewHadoop = Properties.envOrNone("SPARK_IS_NEW_HADOOP") match { case None => { val isNewHadoopVersion = "2.[2-9]+".r.findFirstIn(hadoopVersion).isDefined (isNewHadoopVersion|| DEFAULT_IS_NEW_HADOOP) @@ -79,18 +81,17 @@ object SparkBuild extends Build { case Some(v) => v.toBoolean } - lazy val isYarnEnabled = scala.util.Properties.envOrNone("SPARK_YARN") match { + lazy val isYarnEnabled = Properties.envOrNone("SPARK_YARN") match { case None => DEFAULT_YARN case Some(v) => v.toBoolean } // Conditionally include the yarn sub-project - lazy val yarn = Project("yarn", file(if (isNewHadoop) "new-yarn" else "yarn"), settings = yarnSettings) dependsOn(core) + lazy val yarnAlpha = Project("yarn-alpha", file("yarn/alpha"), settings = yarnAlphaSettings) dependsOn(core) + lazy val yarn = Project("yarn", file("yarn/stable"), settings = yarnSettings) dependsOn(core) - //lazy val yarn = Project("yarn", file("yarn"), settings = yarnSettings) dependsOn(core) - - lazy val maybeYarn = if (isYarnEnabled) Seq[ClasspathDependency](yarn) else Seq[ClasspathDependency]() - lazy val maybeYarnRef = if (isYarnEnabled) Seq[ProjectReference](yarn) else Seq[ProjectReference]() + lazy val maybeYarn = if (isYarnEnabled) Seq[ClasspathDependency](if (isNewHadoop) yarn else yarnAlpha) else Seq[ClasspathDependency]() + lazy val maybeYarnRef = if (isYarnEnabled) Seq[ProjectReference](if (isNewHadoop) yarn else yarnAlpha) else Seq[ProjectReference]() // Everything except assembly, tools and examples belong to packageProjects lazy val packageProjects = Seq[ProjectReference](core, repl, bagel, streaming, mllib) ++ maybeYarnRef @@ -112,8 +113,9 @@ object SparkBuild extends Build { // Fork new JVMs for tests and set Java options for those fork := true, + javaOptions in Test += "-Dspark.home=" + sparkHome, + javaOptions in Test += "-Dspark.testing=1", javaOptions += "-Xmx3g", - // Show full stack trace and duration in test cases. testOptions in Test += Tests.Argument("-oDF"), @@ -178,7 +180,7 @@ object SparkBuild extends Build { libraryDependencies ++= Seq( - "io.netty" % "netty-all" % "4.0.0.CR1", + "io.netty" % "netty-all" % "4.0.13.Final", "org.eclipse.jetty" % "jetty-server" % "7.6.8.v20121106", /** Workaround for SPARK-959. Dependency used by org.eclipse.jetty. Fixed in ivy 2.3.0. */ "org.eclipse.jetty.orbit" % "javax.servlet" % "2.5.0.v201103041518" artifacts Artifact("javax.servlet", "jar", "jar"), @@ -226,7 +228,7 @@ object SparkBuild extends Build { "org.slf4j" % "slf4j-api" % slf4jVersion, "org.slf4j" % "slf4j-log4j12" % slf4jVersion, "commons-daemon" % "commons-daemon" % "1.0.10", // workaround for bug HADOOP-9407 - "com.ning" % "compress-lzf" % "0.8.4", + "com.ning" % "compress-lzf" % "1.0.0", "org.xerial.snappy" % "snappy-java" % "1.0.5", "org.ow2.asm" % "asm" % "4.0", "org.spark-project.akka" %% "akka-remote" % "2.2.3-shaded-protobuf" excludeAll(excludeNetty), @@ -247,7 +249,9 @@ object SparkBuild extends Build { "com.codahale.metrics" % "metrics-ganglia" % "3.0.0", "com.codahale.metrics" % "metrics-graphite" % "3.0.0", "com.twitter" %% "chill" % "0.3.1", - "com.twitter" % "chill-java" % "0.3.1" + "com.twitter" % "chill-java" % "0.3.1", + "com.typesafe" % "config" % "1.0.2", + "com.clearspring.analytics" % "stream" % "2.5.1" ) ) @@ -318,10 +322,29 @@ object SparkBuild extends Build { ) ) - def yarnSettings = sharedSettings ++ Seq( - name := "spark-yarn" + def yarnCommonSettings = sharedSettings ++ Seq( + unmanagedSourceDirectories in Compile <++= baseDirectory { base => + Seq( + base / "../common/src/main/scala" + ) + }, + + unmanagedSourceDirectories in Test <++= baseDirectory { base => + Seq( + base / "../common/src/test/scala" + ) + } + ) ++ extraYarnSettings + def yarnAlphaSettings = yarnCommonSettings ++ Seq( + name := "spark-yarn-alpha" + ) + + def yarnSettings = yarnCommonSettings ++ Seq( + name := "spark-yarn" + ) + // Conditionally include the YARN dependencies because some tools look at all sub-projects and will complain // if we refer to nonexistent dependencies (e.g. hadoop-yarn-api from a Hadoop version without YARN). def extraYarnSettings = if(isYarnEnabled) yarnEnabledSettings else Seq() @@ -337,6 +360,7 @@ object SparkBuild extends Build { ) def assemblyProjSettings = sharedSettings ++ Seq( + libraryDependencies += "net.sf.py4j" % "py4j" % "0.8.1", name := "spark-assembly", assembleDeps in Compile <<= (packageProjects.map(packageBin in Compile in _) ++ Seq(packageDependency in Compile)).dependOn, jarName in assembly <<= version map { v => "spark-assembly-" + v + "-hadoop" + hadoopVersion + ".jar" }, diff --git a/python/epydoc.conf b/python/epydoc.conf index 0b42e729f8..95a6af0974 100644 --- a/python/epydoc.conf +++ b/python/epydoc.conf @@ -34,4 +34,4 @@ private: no exclude: pyspark.cloudpickle pyspark.worker pyspark.join pyspark.java_gateway pyspark.examples pyspark.shell pyspark.test - pyspark.rddsampler pyspark.daemon + pyspark.rddsampler pyspark.daemon pyspark.mllib._common diff --git a/python/lib/py4j-0.8.1-src.zip b/python/lib/py4j-0.8.1-src.zip Binary files differnew file mode 100644 index 0000000000..2069a328d1 --- /dev/null +++ b/python/lib/py4j-0.8.1-src.zip diff --git a/python/lib/py4j0.7.egg b/python/lib/py4j0.7.egg Binary files differdeleted file mode 100644 index f8a339d8ee..0000000000 --- a/python/lib/py4j0.7.egg +++ /dev/null diff --git a/python/pyspark/__init__.py b/python/pyspark/__init__.py index 1f35f6f939..a51d5af79b 100644 --- a/python/pyspark/__init__.py +++ b/python/pyspark/__init__.py @@ -20,28 +20,34 @@ PySpark is the Python API for Spark. Public classes: - - L{SparkContext<pyspark.context.SparkContext>} - Main entry point for Spark functionality. - - L{RDD<pyspark.rdd.RDD>} - A Resilient Distributed Dataset (RDD), the basic abstraction in Spark. - - L{Broadcast<pyspark.broadcast.Broadcast>} - A broadcast variable that gets reused across tasks. - - L{Accumulator<pyspark.accumulators.Accumulator>} - An "add-only" shared variable that tasks can only add values to. - - L{SparkFiles<pyspark.files.SparkFiles>} - Access files shipped with jobs. - - L{StorageLevel<pyspark.storagelevel.StorageLevel>} - Finer-grained cache persistence levels. + - L{SparkContext<pyspark.context.SparkContext>} + Main entry point for Spark functionality. + - L{RDD<pyspark.rdd.RDD>} + A Resilient Distributed Dataset (RDD), the basic abstraction in Spark. + - L{Broadcast<pyspark.broadcast.Broadcast>} + A broadcast variable that gets reused across tasks. + - L{Accumulator<pyspark.accumulators.Accumulator>} + An "add-only" shared variable that tasks can only add values to. + - L{SparkConf<pyspark.conf.SparkConf>} + For configuring Spark. + - L{SparkFiles<pyspark.files.SparkFiles>} + Access files shipped with jobs. + - L{StorageLevel<pyspark.storagelevel.StorageLevel>} + Finer-grained cache persistence levels. """ + + + import sys import os -sys.path.insert(0, os.path.join(os.environ["SPARK_HOME"], "python/lib/py4j0.7.egg")) +sys.path.insert(0, os.path.join(os.environ["SPARK_HOME"], "python/lib/py4j-0.8.1-src.zip")) +from pyspark.conf import SparkConf from pyspark.context import SparkContext from pyspark.rdd import RDD from pyspark.files import SparkFiles from pyspark.storagelevel import StorageLevel -__all__ = ["SparkContext", "RDD", "SparkFiles", "StorageLevel"] +__all__ = ["SparkConf", "SparkContext", "RDD", "SparkFiles", "StorageLevel"] diff --git a/python/pyspark/broadcast.py b/python/pyspark/broadcast.py index dfdaba274f..43f40f8783 100644 --- a/python/pyspark/broadcast.py +++ b/python/pyspark/broadcast.py @@ -45,7 +45,18 @@ def _from_id(bid): class Broadcast(object): + """ + A broadcast variable created with + L{SparkContext.broadcast()<pyspark.context.SparkContext.broadcast>}. + Access its value through C{.value}. + """ + def __init__(self, bid, value, java_broadcast=None, pickle_registry=None): + """ + Should not be called directly by users -- use + L{SparkContext.broadcast()<pyspark.context.SparkContext.broadcast>} + instead. + """ self.value = value self.bid = bid self._jbroadcast = java_broadcast diff --git a/python/pyspark/conf.py b/python/pyspark/conf.py new file mode 100644 index 0000000000..d72aed6a30 --- /dev/null +++ b/python/pyspark/conf.py @@ -0,0 +1,171 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +""" +>>> from pyspark.conf import SparkConf +>>> from pyspark.context import SparkContext +>>> conf = SparkConf() +>>> conf.setMaster("local").setAppName("My app") +<pyspark.conf.SparkConf object at ...> +>>> conf.get("spark.master") +u'local' +>>> conf.get("spark.app.name") +u'My app' +>>> sc = SparkContext(conf=conf) +>>> sc.master +u'local' +>>> sc.appName +u'My app' +>>> sc.sparkHome == None +True + +>>> conf = SparkConf() +>>> conf.setSparkHome("/path") +<pyspark.conf.SparkConf object at ...> +>>> conf.get("spark.home") +u'/path' +>>> conf.setExecutorEnv("VAR1", "value1") +<pyspark.conf.SparkConf object at ...> +>>> conf.setExecutorEnv(pairs = [("VAR3", "value3"), ("VAR4", "value4")]) +<pyspark.conf.SparkConf object at ...> +>>> conf.get("spark.executorEnv.VAR1") +u'value1' +>>> print conf.toDebugString() +spark.executorEnv.VAR1=value1 +spark.executorEnv.VAR3=value3 +spark.executorEnv.VAR4=value4 +spark.home=/path +>>> sorted(conf.getAll(), key=lambda p: p[0]) +[(u'spark.executorEnv.VAR1', u'value1'), (u'spark.executorEnv.VAR3', u'value3'), (u'spark.executorEnv.VAR4', u'value4'), (u'spark.home', u'/path')] +""" + + +class SparkConf(object): + """ + Configuration for a Spark application. Used to set various Spark + parameters as key-value pairs. + + Most of the time, you would create a SparkConf object with + C{SparkConf()}, which will load values from C{spark.*} Java system + properties and any C{spark.conf} on your Spark classpath. In this + case, system properties take priority over C{spark.conf}, and any + parameters you set directly on the C{SparkConf} object take priority + over both of those. + + For unit tests, you can also call C{SparkConf(false)} to skip + loading external settings and get the same configuration no matter + what is on the classpath. + + All setter methods in this class support chaining. For example, + you can write C{conf.setMaster("local").setAppName("My app")}. + + Note that once a SparkConf object is passed to Spark, it is cloned + and can no longer be modified by the user. + """ + + def __init__(self, loadDefaults=True, _jvm=None): + """ + Create a new Spark configuration. + + @param loadDefaults: whether to load values from Java system + properties and classpath (True by default) + @param _jvm: internal parameter used to pass a handle to the + Java VM; does not need to be set by users + """ + from pyspark.context import SparkContext + SparkContext._ensure_initialized() + _jvm = _jvm or SparkContext._jvm + self._jconf = _jvm.SparkConf(loadDefaults) + + def set(self, key, value): + """Set a configuration property.""" + self._jconf.set(key, unicode(value)) + return self + + def setMaster(self, value): + """Set master URL to connect to.""" + self._jconf.setMaster(value) + return self + + def setAppName(self, value): + """Set application name.""" + self._jconf.setAppName(value) + return self + + def setSparkHome(self, value): + """Set path where Spark is installed on worker nodes.""" + self._jconf.setSparkHome(value) + return self + + def setExecutorEnv(self, key=None, value=None, pairs=None): + """Set an environment variable to be passed to executors.""" + if (key != None and pairs != None) or (key == None and pairs == None): + raise Exception("Either pass one key-value pair or a list of pairs") + elif key != None: + self._jconf.setExecutorEnv(key, value) + elif pairs != None: + for (k, v) in pairs: + self._jconf.setExecutorEnv(k, v) + return self + + def setAll(self, pairs): + """ + Set multiple parameters, passed as a list of key-value pairs. + + @param pairs: list of key-value pairs to set + """ + for (k, v) in pairs: + self._jconf.set(k, v) + return self + + def get(self, key, defaultValue=None): + """Get the configured value for some key, or return a default otherwise.""" + if defaultValue == None: # Py4J doesn't call the right get() if we pass None + if not self._jconf.contains(key): + return None + return self._jconf.get(key) + else: + return self._jconf.get(key, defaultValue) + + def getAll(self): + """Get all values as a list of key-value pairs.""" + pairs = [] + for elem in self._jconf.getAll(): + pairs.append((elem._1(), elem._2())) + return pairs + + def contains(self, key): + """Does this configuration contain a given key?""" + return self._jconf.contains(key) + + def toDebugString(self): + """ + Returns a printable version of the configuration, as a list of + key=value pairs, one per line. + """ + return self._jconf.toDebugString() + + +def _test(): + import doctest + (failure_count, test_count) = doctest.testmod(optionflags=doctest.ELLIPSIS) + if failure_count: + exit(-1) + + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/context.py b/python/pyspark/context.py index 0604f6836c..f955aad7a4 100644 --- a/python/pyspark/context.py +++ b/python/pyspark/context.py @@ -24,6 +24,7 @@ from tempfile import NamedTemporaryFile from pyspark import accumulators from pyspark.accumulators import Accumulator from pyspark.broadcast import Broadcast +from pyspark.conf import SparkConf from pyspark.files import SparkFiles from pyspark.java_gateway import launch_gateway from pyspark.serializers import PickleSerializer, BatchedSerializer, MUTF8Deserializer @@ -49,14 +50,15 @@ class SparkContext(object): _python_includes = None # zip and egg files that need to be added to PYTHONPATH - def __init__(self, master, jobName, sparkHome=None, pyFiles=None, - environment=None, batchSize=1024, serializer=PickleSerializer()): + def __init__(self, master=None, appName=None, sparkHome=None, pyFiles=None, + environment=None, batchSize=1024, serializer=PickleSerializer(), conf=None): """ - Create a new SparkContext. + Create a new SparkContext. At least the master and app name should be set, + either through the named parameters here or through C{conf}. @param master: Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). - @param jobName: A name for your job, to display on the cluster web UI + @param appName: A name for your job, to display on the cluster web UI. @param sparkHome: Location where Spark is installed on cluster nodes. @param pyFiles: Collection of .zip or .py files to send to the cluster and add to PYTHONPATH. These can be paths on the local file @@ -67,6 +69,7 @@ class SparkContext(object): Java object. Set 1 to disable batching or -1 to use an unlimited batch size. @param serializer: The serializer for RDDs. + @param conf: A L{SparkConf} object setting Spark properties. >>> from pyspark.context import SparkContext @@ -79,10 +82,8 @@ class SparkContext(object): """ SparkContext._ensure_initialized(self) - self.master = master - self.jobName = jobName - self.sparkHome = sparkHome or None # None becomes null in Py4J self.environment = environment or {} + self._conf = conf or SparkConf(_jvm=self._jvm) self._batchSize = batchSize # -1 represents an unlimited batch size self._unbatched_serializer = serializer if batchSize == 1: @@ -91,10 +92,35 @@ class SparkContext(object): self.serializer = BatchedSerializer(self._unbatched_serializer, batchSize) + # Set any parameters passed directly to us on the conf + if master: + self._conf.setMaster(master) + if appName: + self._conf.setAppName(appName) + if sparkHome: + self._conf.setSparkHome(sparkHome) + if environment: + for key, value in environment.iteritems(): + self._conf.setExecutorEnv(key, value) + + # Check that we have at least the required parameters + if not self._conf.contains("spark.master"): + raise Exception("A master URL must be set in your configuration") + if not self._conf.contains("spark.app.name"): + raise Exception("An application name must be set in your configuration") + + # Read back our properties from the conf in case we loaded some of them from + # the classpath or an external config file + self.master = self._conf.get("spark.master") + self.appName = self._conf.get("spark.app.name") + self.sparkHome = self._conf.get("spark.home", None) + for (k, v) in self._conf.getAll(): + if k.startswith("spark.executorEnv."): + varName = k[len("spark.executorEnv."):] + self.environment[varName] = v + # Create the Java SparkContext through Py4J - empty_string_array = self._gateway.new_array(self._jvm.String, 0) - self._jsc = self._jvm.JavaSparkContext(master, jobName, sparkHome, - empty_string_array) + self._jsc = self._jvm.JavaSparkContext(self._conf._jconf) # Create a single Accumulator in Java that we'll send all our updates through; # they will be passed back to us through a TCP server @@ -105,6 +131,7 @@ class SparkContext(object): self._jvm.PythonAccumulatorParam(host, port)) self.pythonExec = os.environ.get("PYSPARK_PYTHON", 'python') + # Broadcast's __reduce__ method stores Broadcast instances here. # This allows other code to determine which Broadcast instances have # been pickled, so it can determine which Java broadcast objects to @@ -121,7 +148,7 @@ class SparkContext(object): self.addPyFile(path) # Create a temporary directory inside spark.local.dir: - local_dir = self._jvm.org.apache.spark.util.Utils.getLocalDir() + local_dir = self._jvm.org.apache.spark.util.Utils.getLocalDir(self._jsc.sc().conf()) self._temp_dir = \ self._jvm.org.apache.spark.util.Utils.createTempDir(local_dir).getAbsolutePath() @@ -131,8 +158,7 @@ class SparkContext(object): if not SparkContext._gateway: SparkContext._gateway = launch_gateway() SparkContext._jvm = SparkContext._gateway.jvm - SparkContext._writeToFile = \ - SparkContext._jvm.PythonRDD.writeToFile + SparkContext._writeToFile = SparkContext._jvm.PythonRDD.writeToFile if instance: if SparkContext._active_spark_context and SparkContext._active_spark_context != instance: @@ -143,8 +169,8 @@ class SparkContext(object): @classmethod def setSystemProperty(cls, key, value): """ - Set a system property, such as spark.executor.memory. This must be - invoked before instantiating SparkContext. + Set a Java system property, such as spark.executor.memory. This must + must be invoked before instantiating SparkContext. """ SparkContext._ensure_initialized() SparkContext._jvm.java.lang.System.setProperty(key, value) @@ -243,7 +269,8 @@ class SparkContext(object): def broadcast(self, value): """ - Broadcast a read-only variable to the cluster, returning a C{Broadcast} + Broadcast a read-only variable to the cluster, returning a + L{Broadcast<pyspark.broadcast.Broadcast>} object for reading it in distributed functions. The variable will be sent to each cluster only once. """ @@ -320,17 +347,12 @@ class SparkContext(object): self._python_includes.append(filename) sys.path.append(os.path.join(SparkFiles.getRootDirectory(), filename)) # for tests in local mode - def setCheckpointDir(self, dirName, useExisting=False): + def setCheckpointDir(self, dirName): """ Set the directory under which RDDs are going to be checkpointed. The directory must be a HDFS path if running on a cluster. - - If the directory does not exist, it will be created. If the directory - exists and C{useExisting} is set to true, then the exisiting directory - will be used. Otherwise an exception will be thrown to prevent - accidental overriding of checkpoint files in the existing directory. """ - self._jsc.sc().setCheckpointDir(dirName, useExisting) + self._jsc.sc().setCheckpointDir(dirName) def _getJavaStorageLevel(self, storageLevel): """ diff --git a/python/pyspark/java_gateway.py b/python/pyspark/java_gateway.py index e615c1e9b6..c15add5237 100644 --- a/python/pyspark/java_gateway.py +++ b/python/pyspark/java_gateway.py @@ -31,7 +31,7 @@ def launch_gateway(): # Launch the Py4j gateway using Spark's run command so that we pick up the # proper classpath and SPARK_MEM settings from spark-env.sh on_windows = platform.system() == "Windows" - script = "spark-class.cmd" if on_windows else "spark-class" + script = "./bin/spark-class.cmd" if on_windows else "./bin/spark-class" command = [os.path.join(SPARK_HOME, script), "py4j.GatewayServer", "--die-on-broken-pipe", "0"] if not on_windows: @@ -60,7 +60,9 @@ def launch_gateway(): # Connect to the gateway gateway = JavaGateway(GatewayClient(port=port), auto_convert=False) # Import the classes used by PySpark + java_import(gateway.jvm, "org.apache.spark.SparkConf") java_import(gateway.jvm, "org.apache.spark.api.java.*") java_import(gateway.jvm, "org.apache.spark.api.python.*") + java_import(gateway.jvm, "org.apache.spark.mllib.api.python.*") java_import(gateway.jvm, "scala.Tuple2") return gateway diff --git a/python/pyspark/mllib/__init__.py b/python/pyspark/mllib/__init__.py new file mode 100644 index 0000000000..b1a5df109b --- /dev/null +++ b/python/pyspark/mllib/__init__.py @@ -0,0 +1,20 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +""" +Python bindings for MLlib. +""" diff --git a/python/pyspark/mllib/_common.py b/python/pyspark/mllib/_common.py new file mode 100644 index 0000000000..e74ba0fabc --- /dev/null +++ b/python/pyspark/mllib/_common.py @@ -0,0 +1,227 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from numpy import ndarray, copyto, float64, int64, int32, ones, array_equal, array, dot, shape +from pyspark import SparkContext + +# Double vector format: +# +# [8-byte 1] [8-byte length] [length*8 bytes of data] +# +# Double matrix format: +# +# [8-byte 2] [8-byte rows] [8-byte cols] [rows*cols*8 bytes of data] +# +# This is all in machine-endian. That means that the Java interpreter and the +# Python interpreter must agree on what endian the machine is. + +def _deserialize_byte_array(shape, ba, offset): + """Wrapper around ndarray aliasing hack. + + >>> x = array([1.0, 2.0, 3.0, 4.0, 5.0]) + >>> array_equal(x, _deserialize_byte_array(x.shape, x.data, 0)) + True + >>> x = array([1.0, 2.0, 3.0, 4.0]).reshape(2,2) + >>> array_equal(x, _deserialize_byte_array(x.shape, x.data, 0)) + True + """ + ar = ndarray(shape=shape, buffer=ba, offset=offset, dtype="float64", + order='C') + return ar.copy() + +def _serialize_double_vector(v): + """Serialize a double vector into a mutually understood format.""" + if type(v) != ndarray: + raise TypeError("_serialize_double_vector called on a %s; " + "wanted ndarray" % type(v)) + if v.dtype != float64: + raise TypeError("_serialize_double_vector called on an ndarray of %s; " + "wanted ndarray of float64" % v.dtype) + if v.ndim != 1: + raise TypeError("_serialize_double_vector called on a %ddarray; " + "wanted a 1darray" % v.ndim) + length = v.shape[0] + ba = bytearray(16 + 8*length) + header = ndarray(shape=[2], buffer=ba, dtype="int64") + header[0] = 1 + header[1] = length + copyto(ndarray(shape=[length], buffer=ba, offset=16, + dtype="float64"), v) + return ba + +def _deserialize_double_vector(ba): + """Deserialize a double vector from a mutually understood format. + + >>> x = array([1.0, 2.0, 3.0, 4.0, -1.0, 0.0, -0.0]) + >>> array_equal(x, _deserialize_double_vector(_serialize_double_vector(x))) + True + """ + if type(ba) != bytearray: + raise TypeError("_deserialize_double_vector called on a %s; " + "wanted bytearray" % type(ba)) + if len(ba) < 16: + raise TypeError("_deserialize_double_vector called on a %d-byte array, " + "which is too short" % len(ba)) + if (len(ba) & 7) != 0: + raise TypeError("_deserialize_double_vector called on a %d-byte array, " + "which is not a multiple of 8" % len(ba)) + header = ndarray(shape=[2], buffer=ba, dtype="int64") + if header[0] != 1: + raise TypeError("_deserialize_double_vector called on bytearray " + "with wrong magic") + length = header[1] + if len(ba) != 8*length + 16: + raise TypeError("_deserialize_double_vector called on bytearray " + "with wrong length") + return _deserialize_byte_array([length], ba, 16) + +def _serialize_double_matrix(m): + """Serialize a double matrix into a mutually understood format.""" + if (type(m) == ndarray and m.dtype == float64 and m.ndim == 2): + rows = m.shape[0] + cols = m.shape[1] + ba = bytearray(24 + 8 * rows * cols) + header = ndarray(shape=[3], buffer=ba, dtype="int64") + header[0] = 2 + header[1] = rows + header[2] = cols + copyto(ndarray(shape=[rows, cols], buffer=ba, offset=24, + dtype="float64", order='C'), m) + return ba + else: + raise TypeError("_serialize_double_matrix called on a " + "non-double-matrix") + +def _deserialize_double_matrix(ba): + """Deserialize a double matrix from a mutually understood format.""" + if type(ba) != bytearray: + raise TypeError("_deserialize_double_matrix called on a %s; " + "wanted bytearray" % type(ba)) + if len(ba) < 24: + raise TypeError("_deserialize_double_matrix called on a %d-byte array, " + "which is too short" % len(ba)) + if (len(ba) & 7) != 0: + raise TypeError("_deserialize_double_matrix called on a %d-byte array, " + "which is not a multiple of 8" % len(ba)) + header = ndarray(shape=[3], buffer=ba, dtype="int64") + if (header[0] != 2): + raise TypeError("_deserialize_double_matrix called on bytearray " + "with wrong magic") + rows = header[1] + cols = header[2] + if (len(ba) != 8*rows*cols + 24): + raise TypeError("_deserialize_double_matrix called on bytearray " + "with wrong length") + return _deserialize_byte_array([rows, cols], ba, 24) + +def _linear_predictor_typecheck(x, coeffs): + """Check that x is a one-dimensional vector of the right shape. + This is a temporary hackaround until I actually implement bulk predict.""" + if type(x) == ndarray: + if x.ndim == 1: + if x.shape == coeffs.shape: + pass + else: + raise RuntimeError("Got array of %d elements; wanted %d" + % (shape(x)[0], shape(coeffs)[0])) + else: + raise RuntimeError("Bulk predict not yet supported.") + elif (type(x) == RDD): + raise RuntimeError("Bulk predict not yet supported.") + else: + raise TypeError("Argument of type " + type(x).__name__ + " unsupported") + +def _get_unmangled_rdd(data, serializer): + dataBytes = data.map(serializer) + dataBytes._bypass_serializer = True + dataBytes.cache() + return dataBytes + +# Map a pickled Python RDD of numpy double vectors to a Java RDD of +# _serialized_double_vectors +def _get_unmangled_double_vector_rdd(data): + return _get_unmangled_rdd(data, _serialize_double_vector) + +class LinearModel(object): + """Something that has a vector of coefficients and an intercept.""" + def __init__(self, coeff, intercept): + self._coeff = coeff + self._intercept = intercept + +class LinearRegressionModelBase(LinearModel): + """A linear regression model. + + >>> lrmb = LinearRegressionModelBase(array([1.0, 2.0]), 0.1) + >>> abs(lrmb.predict(array([-1.03, 7.777])) - 14.624) < 1e-6 + True + """ + def predict(self, x): + """Predict the value of the dependent variable given a vector x""" + """containing values for the independent variables.""" + _linear_predictor_typecheck(x, self._coeff) + return dot(self._coeff, x) + self._intercept + +# If we weren't given initial weights, take a zero vector of the appropriate +# length. +def _get_initial_weights(initial_weights, data): + if initial_weights is None: + initial_weights = data.first() + if type(initial_weights) != ndarray: + raise TypeError("At least one data element has type " + + type(initial_weights).__name__ + " which is not ndarray") + if initial_weights.ndim != 1: + raise TypeError("At least one data element has " + + initial_weights.ndim + " dimensions, which is not 1") + initial_weights = ones([initial_weights.shape[0] - 1]) + return initial_weights + +# train_func should take two parameters, namely data and initial_weights, and +# return the result of a call to the appropriate JVM stub. +# _regression_train_wrapper is responsible for setup and error checking. +def _regression_train_wrapper(sc, train_func, klass, data, initial_weights): + initial_weights = _get_initial_weights(initial_weights, data) + dataBytes = _get_unmangled_double_vector_rdd(data) + ans = train_func(dataBytes, _serialize_double_vector(initial_weights)) + if len(ans) != 2: + raise RuntimeError("JVM call result had unexpected length") + elif type(ans[0]) != bytearray: + raise RuntimeError("JVM call result had first element of type " + + type(ans[0]).__name__ + " which is not bytearray") + elif type(ans[1]) != float: + raise RuntimeError("JVM call result had second element of type " + + type(ans[0]).__name__ + " which is not float") + return klass(_deserialize_double_vector(ans[0]), ans[1]) + +def _serialize_rating(r): + ba = bytearray(16) + intpart = ndarray(shape=[2], buffer=ba, dtype=int32) + doublepart = ndarray(shape=[1], buffer=ba, dtype=float64, offset=8) + intpart[0], intpart[1], doublepart[0] = r + return ba + +def _test(): + import doctest + globs = globals().copy() + globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) + (failure_count, test_count) = doctest.testmod(globs=globs, + optionflags=doctest.ELLIPSIS) + globs['sc'].stop() + if failure_count: + exit(-1) + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/mllib/classification.py b/python/pyspark/mllib/classification.py new file mode 100644 index 0000000000..70de332d34 --- /dev/null +++ b/python/pyspark/mllib/classification.py @@ -0,0 +1,86 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from numpy import array, dot, shape +from pyspark import SparkContext +from pyspark.mllib._common import \ + _get_unmangled_rdd, _get_unmangled_double_vector_rdd, \ + _serialize_double_matrix, _deserialize_double_matrix, \ + _serialize_double_vector, _deserialize_double_vector, \ + _get_initial_weights, _serialize_rating, _regression_train_wrapper, \ + LinearModel, _linear_predictor_typecheck +from math import exp, log + +class LogisticRegressionModel(LinearModel): + """A linear binary classification model derived from logistic regression. + + >>> data = array([0.0, 0.0, 1.0, 1.0, 1.0, 2.0, 1.0, 3.0]).reshape(4,2) + >>> lrm = LogisticRegressionWithSGD.train(sc, sc.parallelize(data)) + >>> lrm.predict(array([1.0])) != None + True + """ + def predict(self, x): + _linear_predictor_typecheck(x, self._coeff) + margin = dot(x, self._coeff) + self._intercept + prob = 1/(1 + exp(-margin)) + return 1 if prob > 0.5 else 0 + +class LogisticRegressionWithSGD(object): + @classmethod + def train(cls, sc, data, iterations=100, step=1.0, + mini_batch_fraction=1.0, initial_weights=None): + """Train a logistic regression model on the given data.""" + return _regression_train_wrapper(sc, lambda d, i: + sc._jvm.PythonMLLibAPI().trainLogisticRegressionModelWithSGD(d._jrdd, + iterations, step, mini_batch_fraction, i), + LogisticRegressionModel, data, initial_weights) + +class SVMModel(LinearModel): + """A support vector machine. + + >>> data = array([0.0, 0.0, 1.0, 1.0, 1.0, 2.0, 1.0, 3.0]).reshape(4,2) + >>> svm = SVMWithSGD.train(sc, sc.parallelize(data)) + >>> svm.predict(array([1.0])) != None + True + """ + def predict(self, x): + _linear_predictor_typecheck(x, self._coeff) + margin = dot(x, self._coeff) + self._intercept + return 1 if margin >= 0 else 0 + +class SVMWithSGD(object): + @classmethod + def train(cls, sc, data, iterations=100, step=1.0, reg_param=1.0, + mini_batch_fraction=1.0, initial_weights=None): + """Train a support vector machine on the given data.""" + return _regression_train_wrapper(sc, lambda d, i: + sc._jvm.PythonMLLibAPI().trainSVMModelWithSGD(d._jrdd, + iterations, step, reg_param, mini_batch_fraction, i), + SVMModel, data, initial_weights) + +def _test(): + import doctest + globs = globals().copy() + globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) + (failure_count, test_count) = doctest.testmod(globs=globs, + optionflags=doctest.ELLIPSIS) + globs['sc'].stop() + if failure_count: + exit(-1) + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/mllib/clustering.py b/python/pyspark/mllib/clustering.py new file mode 100644 index 0000000000..8cf20e591a --- /dev/null +++ b/python/pyspark/mllib/clustering.py @@ -0,0 +1,79 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from numpy import array, dot +from math import sqrt +from pyspark import SparkContext +from pyspark.mllib._common import \ + _get_unmangled_rdd, _get_unmangled_double_vector_rdd, \ + _serialize_double_matrix, _deserialize_double_matrix, \ + _serialize_double_vector, _deserialize_double_vector, \ + _get_initial_weights, _serialize_rating, _regression_train_wrapper + +class KMeansModel(object): + """A clustering model derived from the k-means method. + + >>> data = array([0.0,0.0, 1.0,1.0, 9.0,8.0, 8.0,9.0]).reshape(4,2) + >>> clusters = KMeans.train(sc, sc.parallelize(data), 2, maxIterations=10, runs=30, initialization_mode="random") + >>> clusters.predict(array([0.0, 0.0])) == clusters.predict(array([1.0, 1.0])) + True + >>> clusters.predict(array([8.0, 9.0])) == clusters.predict(array([9.0, 8.0])) + True + >>> clusters = KMeans.train(sc, sc.parallelize(data), 2) + """ + def __init__(self, centers_): + self.centers = centers_ + + def predict(self, x): + """Find the cluster to which x belongs in this model.""" + best = 0 + best_distance = 1e75 + for i in range(0, self.centers.shape[0]): + diff = x - self.centers[i] + distance = sqrt(dot(diff, diff)) + if distance < best_distance: + best = i + best_distance = distance + return best + +class KMeans(object): + @classmethod + def train(cls, sc, data, k, maxIterations=100, runs=1, + initialization_mode="k-means||"): + """Train a k-means clustering model.""" + dataBytes = _get_unmangled_double_vector_rdd(data) + ans = sc._jvm.PythonMLLibAPI().trainKMeansModel(dataBytes._jrdd, + k, maxIterations, runs, initialization_mode) + if len(ans) != 1: + raise RuntimeError("JVM call result had unexpected length") + elif type(ans[0]) != bytearray: + raise RuntimeError("JVM call result had first element of type " + + type(ans[0]) + " which is not bytearray") + return KMeansModel(_deserialize_double_matrix(ans[0])) + +def _test(): + import doctest + globs = globals().copy() + globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) + (failure_count, test_count) = doctest.testmod(globs=globs, + optionflags=doctest.ELLIPSIS) + globs['sc'].stop() + if failure_count: + exit(-1) + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/mllib/recommendation.py b/python/pyspark/mllib/recommendation.py new file mode 100644 index 0000000000..14d06cba21 --- /dev/null +++ b/python/pyspark/mllib/recommendation.py @@ -0,0 +1,74 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from pyspark import SparkContext +from pyspark.mllib._common import \ + _get_unmangled_rdd, _get_unmangled_double_vector_rdd, \ + _serialize_double_matrix, _deserialize_double_matrix, \ + _serialize_double_vector, _deserialize_double_vector, \ + _get_initial_weights, _serialize_rating, _regression_train_wrapper + +class MatrixFactorizationModel(object): + """A matrix factorisation model trained by regularized alternating + least-squares. + + >>> r1 = (1, 1, 1.0) + >>> r2 = (1, 2, 2.0) + >>> r3 = (2, 1, 2.0) + >>> ratings = sc.parallelize([r1, r2, r3]) + >>> model = ALS.trainImplicit(sc, ratings, 1) + >>> model.predict(2,2) is not None + True + """ + + def __init__(self, sc, java_model): + self._context = sc + self._java_model = java_model + + def __del__(self): + self._context._gateway.detach(self._java_model) + + def predict(self, user, product): + return self._java_model.predict(user, product) + +class ALS(object): + @classmethod + def train(cls, sc, ratings, rank, iterations=5, lambda_=0.01, blocks=-1): + ratingBytes = _get_unmangled_rdd(ratings, _serialize_rating) + mod = sc._jvm.PythonMLLibAPI().trainALSModel(ratingBytes._jrdd, + rank, iterations, lambda_, blocks) + return MatrixFactorizationModel(sc, mod) + + @classmethod + def trainImplicit(cls, sc, ratings, rank, iterations=5, lambda_=0.01, blocks=-1, alpha=0.01): + ratingBytes = _get_unmangled_rdd(ratings, _serialize_rating) + mod = sc._jvm.PythonMLLibAPI().trainImplicitALSModel(ratingBytes._jrdd, + rank, iterations, lambda_, blocks, alpha) + return MatrixFactorizationModel(sc, mod) + +def _test(): + import doctest + globs = globals().copy() + globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) + (failure_count, test_count) = doctest.testmod(globs=globs, + optionflags=doctest.ELLIPSIS) + globs['sc'].stop() + if failure_count: + exit(-1) + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/mllib/regression.py b/python/pyspark/mllib/regression.py new file mode 100644 index 0000000000..a3a68b29e0 --- /dev/null +++ b/python/pyspark/mllib/regression.py @@ -0,0 +1,110 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from numpy import array, dot +from pyspark import SparkContext +from pyspark.mllib._common import \ + _get_unmangled_rdd, _get_unmangled_double_vector_rdd, \ + _serialize_double_matrix, _deserialize_double_matrix, \ + _serialize_double_vector, _deserialize_double_vector, \ + _get_initial_weights, _serialize_rating, _regression_train_wrapper, \ + _linear_predictor_typecheck + +class LinearModel(object): + """Something that has a vector of coefficients and an intercept.""" + def __init__(self, coeff, intercept): + self._coeff = coeff + self._intercept = intercept + +class LinearRegressionModelBase(LinearModel): + """A linear regression model. + + >>> lrmb = LinearRegressionModelBase(array([1.0, 2.0]), 0.1) + >>> abs(lrmb.predict(array([-1.03, 7.777])) - 14.624) < 1e-6 + True + """ + def predict(self, x): + """Predict the value of the dependent variable given a vector x""" + """containing values for the independent variables.""" + _linear_predictor_typecheck(x, self._coeff) + return dot(self._coeff, x) + self._intercept + +class LinearRegressionModel(LinearRegressionModelBase): + """A linear regression model derived from a least-squares fit. + + >>> data = array([0.0, 0.0, 1.0, 1.0, 3.0, 2.0, 2.0, 3.0]).reshape(4,2) + >>> lrm = LinearRegressionWithSGD.train(sc, sc.parallelize(data), initial_weights=array([1.0])) + """ + +class LinearRegressionWithSGD(object): + @classmethod + def train(cls, sc, data, iterations=100, step=1.0, + mini_batch_fraction=1.0, initial_weights=None): + """Train a linear regression model on the given data.""" + return _regression_train_wrapper(sc, lambda d, i: + sc._jvm.PythonMLLibAPI().trainLinearRegressionModelWithSGD( + d._jrdd, iterations, step, mini_batch_fraction, i), + LinearRegressionModel, data, initial_weights) + +class LassoModel(LinearRegressionModelBase): + """A linear regression model derived from a least-squares fit with an + l_1 penalty term. + + >>> data = array([0.0, 0.0, 1.0, 1.0, 3.0, 2.0, 2.0, 3.0]).reshape(4,2) + >>> lrm = LassoWithSGD.train(sc, sc.parallelize(data), initial_weights=array([1.0])) + """ + +class LassoWithSGD(object): + @classmethod + def train(cls, sc, data, iterations=100, step=1.0, reg_param=1.0, + mini_batch_fraction=1.0, initial_weights=None): + """Train a Lasso regression model on the given data.""" + return _regression_train_wrapper(sc, lambda d, i: + sc._jvm.PythonMLLibAPI().trainLassoModelWithSGD(d._jrdd, + iterations, step, reg_param, mini_batch_fraction, i), + LassoModel, data, initial_weights) + +class RidgeRegressionModel(LinearRegressionModelBase): + """A linear regression model derived from a least-squares fit with an + l_2 penalty term. + + >>> data = array([0.0, 0.0, 1.0, 1.0, 3.0, 2.0, 2.0, 3.0]).reshape(4,2) + >>> lrm = RidgeRegressionWithSGD.train(sc, sc.parallelize(data), initial_weights=array([1.0])) + """ + +class RidgeRegressionWithSGD(object): + @classmethod + def train(cls, sc, data, iterations=100, step=1.0, reg_param=1.0, + mini_batch_fraction=1.0, initial_weights=None): + """Train a ridge regression model on the given data.""" + return _regression_train_wrapper(sc, lambda d, i: + sc._jvm.PythonMLLibAPI().trainRidgeModelWithSGD(d._jrdd, + iterations, step, reg_param, mini_batch_fraction, i), + RidgeRegressionModel, data, initial_weights) + +def _test(): + import doctest + globs = globals().copy() + globs['sc'] = SparkContext('local[4]', 'PythonTest', batchSize=2) + (failure_count, test_count) = doctest.testmod(globs=globs, + optionflags=doctest.ELLIPSIS) + globs['sc'].stop() + if failure_count: + exit(-1) + +if __name__ == "__main__": + _test() diff --git a/python/pyspark/rdd.py b/python/pyspark/rdd.py index f87923e6fa..6fb4a7b3be 100644 --- a/python/pyspark/rdd.py +++ b/python/pyspark/rdd.py @@ -23,6 +23,7 @@ import operator import os import sys import shlex +import traceback from subprocess import Popen, PIPE from tempfile import NamedTemporaryFile from threading import Thread @@ -39,6 +40,46 @@ from py4j.java_collections import ListConverter, MapConverter __all__ = ["RDD"] +def _extract_concise_traceback(): + tb = traceback.extract_stack() + if len(tb) == 0: + return "I'm lost!" + # HACK: This function is in a file called 'rdd.py' in the top level of + # everything PySpark. Just trim off the directory name and assume + # everything in that tree is PySpark guts. + file, line, module, what = tb[len(tb) - 1] + sparkpath = os.path.dirname(file) + first_spark_frame = len(tb) - 1 + for i in range(0, len(tb)): + file, line, fun, what = tb[i] + if file.startswith(sparkpath): + first_spark_frame = i + break + if first_spark_frame == 0: + file, line, fun, what = tb[0] + return "%s at %s:%d" % (fun, file, line) + sfile, sline, sfun, swhat = tb[first_spark_frame] + ufile, uline, ufun, uwhat = tb[first_spark_frame-1] + return "%s at %s:%d" % (sfun, ufile, uline) + +_spark_stack_depth = 0 + +class _JavaStackTrace(object): + def __init__(self, sc): + self._traceback = _extract_concise_traceback() + self._context = sc + + def __enter__(self): + global _spark_stack_depth + if _spark_stack_depth == 0: + self._context._jsc.setCallSite(self._traceback) + _spark_stack_depth += 1 + + def __exit__(self, type, value, tb): + global _spark_stack_depth + _spark_stack_depth -= 1 + if _spark_stack_depth == 0: + self._context._jsc.setCallSite(None) class RDD(object): """ @@ -401,7 +442,8 @@ class RDD(object): """ Return a list that contains all of the elements in this RDD. """ - bytesInJava = self._jrdd.collect().iterator() + with _JavaStackTrace(self.context) as st: + bytesInJava = self._jrdd.collect().iterator() return list(self._collect_iterator_through_file(bytesInJava)) def _collect_iterator_through_file(self, iterator): @@ -582,13 +624,14 @@ class RDD(object): # TODO(shivaram): Similar to the scala implementation, update the take # method to scan multiple splits based on an estimate of how many elements # we have per-split. - for partition in range(mapped._jrdd.splits().size()): - partitionsToTake = self.ctx._gateway.new_array(self.ctx._jvm.int, 1) - partitionsToTake[0] = partition - iterator = mapped._jrdd.collectPartitions(partitionsToTake)[0].iterator() - items.extend(mapped._collect_iterator_through_file(iterator)) - if len(items) >= num: - break + with _JavaStackTrace(self.context) as st: + for partition in range(mapped._jrdd.splits().size()): + partitionsToTake = self.ctx._gateway.new_array(self.ctx._jvm.int, 1) + partitionsToTake[0] = partition + iterator = mapped._jrdd.collectPartitions(partitionsToTake)[0].iterator() + items.extend(mapped._collect_iterator_through_file(iterator)) + if len(items) >= num: + break return items[:num] def first(self): @@ -765,9 +808,10 @@ class RDD(object): yield outputSerializer.dumps(items) keyed = PipelinedRDD(self, add_shuffle_key) keyed._bypass_serializer = True - pairRDD = self.ctx._jvm.PairwiseRDD(keyed._jrdd.rdd()).asJavaPairRDD() - partitioner = self.ctx._jvm.PythonPartitioner(numPartitions, - id(partitionFunc)) + with _JavaStackTrace(self.context) as st: + pairRDD = self.ctx._jvm.PairwiseRDD(keyed._jrdd.rdd()).asJavaPairRDD() + partitioner = self.ctx._jvm.PythonPartitioner(numPartitions, + id(partitionFunc)) jrdd = pairRDD.partitionBy(partitioner).values() rdd = RDD(jrdd, self.ctx, BatchedSerializer(outputSerializer)) # This is required so that id(partitionFunc) remains unique, even if diff --git a/python/pyspark/serializers.py b/python/pyspark/serializers.py index 811fa6f018..2a500ab919 100644 --- a/python/pyspark/serializers.py +++ b/python/pyspark/serializers.py @@ -308,4 +308,4 @@ def write_int(value, stream): def write_with_length(obj, stream): write_int(len(obj), stream) - stream.write(obj)
\ No newline at end of file + stream.write(obj) diff --git a/python/pyspark/shell.py b/python/pyspark/shell.py index a475959090..1602227a27 100644 --- a/python/pyspark/shell.py +++ b/python/pyspark/shell.py @@ -42,12 +42,12 @@ print "Using Python version %s (%s, %s)" % ( platform.python_version(), platform.python_build()[0], platform.python_build()[1]) -print "Spark context avaiable as sc." +print "Spark context available as sc." if add_files != None: print "Adding files: [%s]" % ", ".join(add_files) -# The ./pyspark script stores the old PYTHONSTARTUP value in OLD_PYTHONSTARTUP, +# The ./bin/pyspark script stores the old PYTHONSTARTUP value in OLD_PYTHONSTARTUP, # which allows us to execute the user's PYTHONSTARTUP file: _pythonstartup = os.environ.get('OLD_PYTHONSTARTUP') if _pythonstartup and os.path.isfile(_pythonstartup): diff --git a/python/pyspark/tests.py b/python/pyspark/tests.py index 3987642bf4..7acb6eaf10 100644 --- a/python/pyspark/tests.py +++ b/python/pyspark/tests.py @@ -73,8 +73,8 @@ class TestCheckpoint(PySparkTestCase): time.sleep(1) # 1 second self.assertTrue(flatMappedRDD.isCheckpointed()) self.assertEqual(flatMappedRDD.collect(), result) - self.assertEqual(self.checkpointDir.name, - os.path.dirname(flatMappedRDD.getCheckpointFile())) + self.assertEqual("file:" + self.checkpointDir.name, + os.path.dirname(os.path.dirname(flatMappedRDD.getCheckpointFile()))) def test_checkpoint_and_restore(self): parCollection = self.sc.parallelize([1, 2, 3, 4]) diff --git a/python/run-tests b/python/run-tests index d4dad672d2..feba97cee0 100755 --- a/python/run-tests +++ b/python/run-tests @@ -29,12 +29,13 @@ FAILED=0 rm -f unit-tests.log function run_test() { - $FWDIR/pyspark $1 2>&1 | tee -a unit-tests.log + SPARK_TESTING=0 $FWDIR/bin/pyspark $1 2>&1 | tee -a unit-tests.log FAILED=$((PIPESTATUS[0]||$FAILED)) } run_test "pyspark/rdd.py" run_test "pyspark/context.py" +run_test "pyspark/conf.py" run_test "-m doctest pyspark/broadcast.py" run_test "-m doctest pyspark/accumulators.py" run_test "-m doctest pyspark/serializers.py" diff --git a/repl-bin/src/deb/bin/run b/repl-bin/src/deb/bin/run index 47bb654baf..3a6f22f41f 100755 --- a/repl-bin/src/deb/bin/run +++ b/repl-bin/src/deb/bin/run @@ -48,8 +48,7 @@ fi export JAVA_OPTS # Build up classpath -CLASSPATH="$SPARK_CLASSPATH" -CLASSPATH+=":$FWDIR/conf" +CLASSPATH=":$FWDIR/conf" for jar in `find $FWDIR -name '*jar'`; do CLASSPATH+=":$jar" done diff --git a/repl/pom.xml b/repl/pom.xml index b0e7877bbb..2dfe7ac900 100644 --- a/repl/pom.xml +++ b/repl/pom.xml @@ -127,7 +127,6 @@ <environmentVariables> <SPARK_HOME>${basedir}/..</SPARK_HOME> <SPARK_TESTING>1</SPARK_TESTING> - <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH> </environmentVariables> </configuration> </plugin> diff --git a/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala b/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala index 523fd1222d..7e54421b52 100644 --- a/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala +++ b/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala @@ -35,6 +35,7 @@ import java.lang.{Class => jClass} import scala.reflect.api.{Mirror, TypeCreator, Universe => ApiUniverse} import org.apache.spark.Logging +import org.apache.spark.SparkConf import org.apache.spark.SparkContext /** The Scala interactive shell. It provides a read-eval-print loop @@ -929,10 +930,7 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, } def createSparkContext(): SparkContext = { - val uri = System.getenv("SPARK_EXECUTOR_URI") - if (uri != null) { - System.setProperty("spark.executor.uri", uri) - } + val execUri = System.getenv("SPARK_EXECUTOR_URI") val master = this.master match { case Some(m) => m case None => { @@ -941,7 +939,18 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, } } val jars = SparkILoop.getAddedJars.map(new java.io.File(_).getAbsolutePath) - sparkContext = new SparkContext(master, "Spark shell", System.getenv("SPARK_HOME"), jars) + val conf = new SparkConf() + .setMaster(master) + .setAppName("Spark shell") + .setJars(jars) + .set("spark.repl.class.uri", intp.classServer.uri) + if (execUri != null) { + conf.set("spark.executor.uri", execUri) + } + if (System.getenv("SPARK_HOME") != null) { + conf.setSparkHome(System.getenv("SPARK_HOME")) + } + sparkContext = new SparkContext(conf) echo("Created spark context..") sparkContext } diff --git a/repl/src/main/scala/org/apache/spark/repl/SparkIMain.scala b/repl/src/main/scala/org/apache/spark/repl/SparkIMain.scala index e1455ef8a1..59fdb0b37a 100644 --- a/repl/src/main/scala/org/apache/spark/repl/SparkIMain.scala +++ b/repl/src/main/scala/org/apache/spark/repl/SparkIMain.scala @@ -34,10 +34,8 @@ import scala.tools.reflect.StdRuntimeTags._ import scala.util.control.ControlThrowable import util.stackTraceString -import org.apache.spark.HttpServer +import org.apache.spark.{HttpServer, SparkConf, Logging} import org.apache.spark.util.Utils -import org.apache.spark.SparkEnv -import org.apache.spark.Logging // /** directory to save .class files to */ // private class ReplVirtualDirectory(out: JPrintWriter) extends VirtualDirectory("((memory))", None) { @@ -91,7 +89,7 @@ import org.apache.spark.Logging /** Local directory to save .class files too */ val outputDir = { val tmp = System.getProperty("java.io.tmpdir") - val rootDir = System.getProperty("spark.repl.classdir", tmp) + val rootDir = new SparkConf().get("spark.repl.classdir", tmp) Utils.createTempDir(rootDir) } if (SPARK_DEBUG_REPL) { @@ -112,7 +110,6 @@ import org.apache.spark.Logging // Start the classServer and store its URI in a spark system property // (which will be passed to executors so that they can connect to it) classServer.start() - System.setProperty("spark.repl.class.uri", classServer.uri) if (SPARK_DEBUG_REPL) { echo("Class server started, URI = " + classServer.uri) } diff --git a/bin/slaves.sh b/sbin/slaves.sh index c367c2fd8e..a5bc2183d8 100755 --- a/bin/slaves.sh +++ b/sbin/slaves.sh @@ -36,10 +36,10 @@ if [ $# -le 0 ]; then exit 1 fi -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" # If the slaves file is specified in the command line, # then it takes precedence over the definition in diff --git a/bin/spark-config.sh b/sbin/spark-config.sh index cd2c7b7b0d..cd2c7b7b0d 100755 --- a/bin/spark-config.sh +++ b/sbin/spark-config.sh diff --git a/bin/spark-daemon.sh b/sbin/spark-daemon.sh index a0c0d44b58..2be2b3d7c0 100755 --- a/bin/spark-daemon.sh +++ b/sbin/spark-daemon.sh @@ -37,10 +37,10 @@ if [ $# -le 1 ]; then exit 1 fi -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" # get arguments @@ -147,7 +147,7 @@ case $startStop in spark_rotate_log "$log" echo starting $command, logging to $log cd "$SPARK_PREFIX" - nohup nice -n $SPARK_NICENESS "$SPARK_PREFIX"/spark-class $command "$@" >> "$log" 2>&1 < /dev/null & + nohup nice -n $SPARK_NICENESS "$SPARK_PREFIX"/bin/spark-class $command "$@" >> "$log" 2>&1 < /dev/null & newpid=$! echo $newpid > $pid sleep 2 diff --git a/bin/spark-daemons.sh b/sbin/spark-daemons.sh index 64286cb2da..5d9f2bb51c 100755 --- a/bin/spark-daemons.sh +++ b/sbin/spark-daemons.sh @@ -27,9 +27,9 @@ if [ $# -le 1 ]; then exit 1 fi -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" -exec "$bin/slaves.sh" cd "$SPARK_HOME" \; "$bin/spark-daemon.sh" "$@" +exec "$sbin/slaves.sh" cd "$SPARK_HOME" \; "$sbin/spark-daemon.sh" "$@" diff --git a/spark-executor b/sbin/spark-executor index 2c07c54843..de5bfab563 100755 --- a/spark-executor +++ b/sbin/spark-executor @@ -17,6 +17,7 @@ # limitations under the License. # -FWDIR="`dirname $0`" +FWDIR="$(cd `dirname $0`/..; pwd)" + echo "Running spark-executor with framework dir = $FWDIR" -exec $FWDIR/spark-class org.apache.spark.executor.MesosExecutorBackend +exec $FWDIR/bin/spark-class org.apache.spark.executor.MesosExecutorBackend diff --git a/bin/start-all.sh b/sbin/start-all.sh index 0182f1ab24..2daf49db35 100755 --- a/bin/start-all.sh +++ b/sbin/start-all.sh @@ -21,14 +21,14 @@ # Starts the master on this node. # Starts a worker on each node specified in conf/slaves -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` # Load the Spark configuration -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" # Start Master -"$bin"/start-master.sh +"$sbin"/start-master.sh # Start Workers -"$bin"/start-slaves.sh +"$sbin"/start-slaves.sh diff --git a/bin/start-master.sh b/sbin/start-master.sh index 648c7ae75f..3dcf7cc348 100755 --- a/bin/start-master.sh +++ b/sbin/start-master.sh @@ -19,10 +19,10 @@ # Starts the master on the machine this script is executed on. -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then . "${SPARK_CONF_DIR}/spark-env.sh" @@ -49,4 +49,4 @@ if [ "$SPARK_PUBLIC_DNS" = "" ]; then fi fi -"$bin"/spark-daemon.sh start org.apache.spark.deploy.master.Master 1 --ip $SPARK_MASTER_IP --port $SPARK_MASTER_PORT --webui-port $SPARK_MASTER_WEBUI_PORT +"$sbin"/spark-daemon.sh start org.apache.spark.deploy.master.Master 1 --ip $SPARK_MASTER_IP --port $SPARK_MASTER_PORT --webui-port $SPARK_MASTER_WEBUI_PORT diff --git a/bin/start-slave.sh b/sbin/start-slave.sh index 4eefa20944..524be38c62 100755 --- a/bin/start-slave.sh +++ b/sbin/start-slave.sh @@ -20,8 +20,8 @@ # Usage: start-slave.sh <worker#> <master-spark-URL> # where <master-spark-URL> is like "spark://localhost:7077" -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` # Set SPARK_PUBLIC_DNS so slaves can be linked in master web UI if [ "$SPARK_PUBLIC_DNS" = "" ]; then @@ -32,4 +32,4 @@ if [ "$SPARK_PUBLIC_DNS" = "" ]; then fi fi -"$bin"/spark-daemon.sh start org.apache.spark.deploy.worker.Worker "$@" +"$sbin"/spark-daemon.sh start org.apache.spark.deploy.worker.Worker "$@" diff --git a/bin/start-slaves.sh b/sbin/start-slaves.sh index 00dc4888b2..fd5cdeb1e6 100755 --- a/bin/start-slaves.sh +++ b/sbin/start-slaves.sh @@ -17,10 +17,10 @@ # limitations under the License. # -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then . "${SPARK_CONF_DIR}/spark-env.sh" @@ -37,12 +37,12 @@ fi # Launch the slaves if [ "$SPARK_WORKER_INSTANCES" = "" ]; then - exec "$bin/slaves.sh" cd "$SPARK_HOME" \; "$bin/start-slave.sh" 1 spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT + exec "$sbin/slaves.sh" cd "$SPARK_HOME" \; "$sbin/start-slave.sh" 1 spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT else if [ "$SPARK_WORKER_WEBUI_PORT" = "" ]; then SPARK_WORKER_WEBUI_PORT=8081 fi for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do - "$bin/slaves.sh" cd "$SPARK_HOME" \; "$bin/start-slave.sh" $(( $i + 1 )) spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT --webui-port $(( $SPARK_WORKER_WEBUI_PORT + $i )) + "$sbin/slaves.sh" cd "$SPARK_HOME" \; "$sbin/start-slave.sh" $(( $i + 1 )) spark://$SPARK_MASTER_IP:$SPARK_MASTER_PORT --webui-port $(( $SPARK_WORKER_WEBUI_PORT + $i )) done fi diff --git a/bin/stop-all.sh b/sbin/stop-all.sh index b6c83a7ba4..60b358d374 100755 --- a/bin/stop-all.sh +++ b/sbin/stop-all.sh @@ -21,12 +21,12 @@ # Run this on the master nde -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` # Load the Spark configuration -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" # Stop the slaves, then the master -"$bin"/stop-slaves.sh -"$bin"/stop-master.sh +"$sbin"/stop-slaves.sh +"$sbin"/stop-master.sh diff --git a/bin/stop-master.sh b/sbin/stop-master.sh index 310e33bedc..2adabd4265 100755 --- a/bin/stop-master.sh +++ b/sbin/stop-master.sh @@ -19,9 +19,9 @@ # Starts the master on the machine this script is executed on. -bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" -"$bin"/spark-daemon.sh stop org.apache.spark.deploy.master.Master 1 +"$sbin"/spark-daemon.sh stop org.apache.spark.deploy.master.Master 1 diff --git a/bin/stop-slaves.sh b/sbin/stop-slaves.sh index fcb8555d4e..c6b0b6ab66 100755 --- a/bin/stop-slaves.sh +++ b/sbin/stop-slaves.sh @@ -18,18 +18,18 @@ # bin=`dirname "$0"` -bin=`cd "$bin"; pwd` +bin=`cd "$sbin"; pwd` -. "$bin/spark-config.sh" +. "$sbin/spark-config.sh" if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then . "${SPARK_CONF_DIR}/spark-env.sh" fi if [ "$SPARK_WORKER_INSTANCES" = "" ]; then - "$bin"/spark-daemons.sh stop org.apache.spark.deploy.worker.Worker 1 + "$sbin"/spark-daemons.sh stop org.apache.spark.deploy.worker.Worker 1 else for ((i=0; i<$SPARK_WORKER_INSTANCES; i++)); do - "$bin"/spark-daemons.sh stop org.apache.spark.deploy.worker.Worker $(( $i + 1 )) + "$sbin"/spark-daemons.sh stop org.apache.spark.deploy.worker.Worker $(( $i + 1 )) done fi diff --git a/sbt/sbt b/sbt/sbt deleted file mode 100755 index 5942280585..0000000000 --- a/sbt/sbt +++ /dev/null @@ -1,43 +0,0 @@ -#!/usr/bin/env bash - -# -# Licensed to the Apache Software Foundation (ASF) under one or more -# contributor license agreements. See the NOTICE file distributed with -# this work for additional information regarding copyright ownership. -# The ASF licenses this file to You under the Apache License, Version 2.0 -# (the "License"); you may not use this file except in compliance with -# the License. You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# - -cygwin=false -case "`uname`" in - CYGWIN*) cygwin=true;; -esac - -EXTRA_ARGS="-Xmx1200m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=256m" -if [ "$MESOS_HOME" != "" ]; then - EXTRA_ARGS="$EXTRA_ARGS -Djava.library.path=$MESOS_HOME/lib/java" -fi - -export SPARK_HOME=$(cd "$(dirname $0)/.." 2>&1 >/dev/null ; pwd) -export SPARK_TESTING=1 # To put test classes on classpath - -SBT_JAR="$SPARK_HOME"/sbt/sbt-launch-*.jar -if $cygwin; then - SBT_JAR=`cygpath -w $SBT_JAR` - export SPARK_HOME=`cygpath -w $SPARK_HOME` - EXTRA_ARGS="$EXTRA_ARGS -Djline.terminal=jline.UnixTerminal -Dsbt.cygwin=true" - stty -icanon min 1 -echo > /dev/null 2>&1 - java $EXTRA_ARGS $SBT_OPTS -jar $SBT_JAR "$@" - stty icanon echo > /dev/null 2>&1 -else - java $EXTRA_ARGS $SBT_OPTS -jar $SBT_JAR "$@" -fi
\ No newline at end of file diff --git a/sbt/sbt-launch-0.11.3-2.jar b/sbt/sbt-launch-0.11.3-2.jar Binary files differdeleted file mode 100644 index 23e5c3f311..0000000000 --- a/sbt/sbt-launch-0.11.3-2.jar +++ /dev/null diff --git a/sbt/sbt.cmd b/sbt/sbt.cmd deleted file mode 100644 index 681fe00f92..0000000000 --- a/sbt/sbt.cmd +++ /dev/null @@ -1,25 +0,0 @@ -@echo off - -rem -rem Licensed to the Apache Software Foundation (ASF) under one or more -rem contributor license agreements. See the NOTICE file distributed with -rem this work for additional information regarding copyright ownership. -rem The ASF licenses this file to You under the Apache License, Version 2.0 -rem (the "License"); you may not use this file except in compliance with -rem the License. You may obtain a copy of the License at -rem -rem http://www.apache.org/licenses/LICENSE-2.0 -rem -rem Unless required by applicable law or agreed to in writing, software -rem distributed under the License is distributed on an "AS IS" BASIS, -rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -rem See the License for the specific language governing permissions and -rem limitations under the License. -rem - -set EXTRA_ARGS= -if not "%MESOS_HOME%x"=="x" set EXTRA_ARGS=-Djava.library.path=%MESOS_HOME%\lib\java - -set SPARK_HOME=%~dp0.. - -java -Xmx1200M -XX:MaxPermSize=200m -XX:ReservedCodeCacheSize=256m %EXTRA_ARGS% -jar %SPARK_HOME%\sbt\sbt-launch-0.11.3-2.jar "%*" diff --git a/streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala b/streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala index 7b343d2376..ca0115f90e 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala @@ -21,12 +21,13 @@ import java.io._ import java.util.concurrent.Executors import java.util.concurrent.RejectedExecutionException -import org.apache.hadoop.fs.Path +import org.apache.hadoop.fs.{FileSystem, Path} import org.apache.hadoop.conf.Configuration -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} import org.apache.spark.io.CompressionCodec import org.apache.spark.util.MetadataCleaner +import org.apache.spark.deploy.SparkHadoopUtil private[streaming] @@ -34,14 +35,14 @@ class Checkpoint(@transient ssc: StreamingContext, val checkpointTime: Time) extends Logging with Serializable { val master = ssc.sc.master val framework = ssc.sc.appName - val sparkHome = ssc.sc.sparkHome + val sparkHome = ssc.sc.getSparkHome.getOrElse(null) val jars = ssc.sc.jars - val environment = ssc.sc.environment val graph = ssc.graph val checkpointDir = ssc.checkpointDir val checkpointDuration = ssc.checkpointDuration val pendingTimes = ssc.scheduler.getPendingTimes() - val delaySeconds = MetadataCleaner.getDelaySeconds + val delaySeconds = MetadataCleaner.getDelaySeconds(ssc.conf) + val sparkConf = ssc.conf def validate() { assert(master != null, "Checkpoint.master is null") @@ -54,36 +55,36 @@ class Checkpoint(@transient ssc: StreamingContext, val checkpointTime: Time) /** - * Convenience class to speed up the writing of graph checkpoint to file + * Convenience class to handle the writing of graph checkpoint to file */ private[streaming] -class CheckpointWriter(checkpointDir: String) extends Logging { +class CheckpointWriter(conf: SparkConf, checkpointDir: String, hadoopConf: Configuration) + extends Logging +{ val file = new Path(checkpointDir, "graph") - // The file to which we actually write - and then "move" to file. - private val writeFile = new Path(file.getParent, file.getName + ".next") - private val bakFile = new Path(file.getParent, file.getName + ".bk") - - private var stopped = false - - val conf = new Configuration() - var fs = file.getFileSystem(conf) - val maxAttempts = 3 + val MAX_ATTEMPTS = 3 val executor = Executors.newFixedThreadPool(1) + val compressionCodec = CompressionCodec.createCodec(conf) + // The file to which we actually write - and then "move" to file + val writeFile = new Path(file.getParent, file.getName + ".next") + // The file to which existing checkpoint is backed up (i.e. "moved") + val bakFile = new Path(file.getParent, file.getName + ".bk") - private val compressionCodec = CompressionCodec.createCodec() + private var stopped = false + private var fs_ : FileSystem = _ - // Removed code which validates whether there is only one CheckpointWriter per path 'file' since + // Removed code which validates whether there is only one CheckpointWriter per path 'file' since // I did not notice any errors - reintroduce it ? - class CheckpointWriteHandler(checkpointTime: Time, bytes: Array[Byte]) extends Runnable { def run() { var attempts = 0 val startTime = System.currentTimeMillis() - while (attempts < maxAttempts) { + while (attempts < MAX_ATTEMPTS && !stopped) { attempts += 1 try { logDebug("Saving checkpoint for time " + checkpointTime + " to file '" + file + "'") - // This is inherently thread unsafe .. so alleviating it by writing to '.new' and then doing moves : which should be pretty fast. + // This is inherently thread unsafe, so alleviating it by writing to '.new' and + // then moving it to the final file val fos = fs.create(writeFile) fos.write(bytes) fos.close() @@ -101,6 +102,7 @@ class CheckpointWriter(checkpointDir: String) extends Logging { } catch { case ioe: IOException => logWarning("Error writing checkpoint to file in " + attempts + " attempts", ioe) + reset() } } logError("Could not write checkpoint for time " + checkpointTime + " to file '" + file + "'") @@ -133,7 +135,17 @@ class CheckpointWriter(checkpointDir: String) extends Logging { val startTime = System.currentTimeMillis() val terminated = executor.awaitTermination(10, java.util.concurrent.TimeUnit.SECONDS) val endTime = System.currentTimeMillis() - logInfo("CheckpointWriter executor terminated ? " + terminated + ", waited for " + (endTime - startTime) + " ms.") + logInfo("CheckpointWriter executor terminated ? " + terminated + + ", waited for " + (endTime - startTime) + " ms.") + } + + private def fs = synchronized { + if (fs_ == null) fs_ = file.getFileSystem(hadoopConf) + fs_ + } + + private def reset() = synchronized { + fs_ = null } } @@ -141,11 +153,12 @@ class CheckpointWriter(checkpointDir: String) extends Logging { private[streaming] object CheckpointReader extends Logging { - def read(path: String): Checkpoint = { + def read(conf: SparkConf, path: String): Checkpoint = { val fs = new Path(path).getFileSystem(new Configuration()) - val attempts = Seq(new Path(path, "graph"), new Path(path, "graph.bk"), new Path(path), new Path(path + ".bk")) + val attempts = Seq(new Path(path, "graph"), new Path(path, "graph.bk"), + new Path(path), new Path(path + ".bk")) - val compressionCodec = CompressionCodec.createCodec() + val compressionCodec = CompressionCodec.createCodec(conf) attempts.foreach(file => { if (fs.exists(file)) { @@ -158,7 +171,8 @@ object CheckpointReader extends Logging { // loader to find and load classes. This is a well know Java issue and has popped up // in other places (e.g., http://jira.codehaus.org/browse/GROOVY-1627) val zis = compressionCodec.compressedInputStream(fis) - val ois = new ObjectInputStreamWithLoader(zis, Thread.currentThread().getContextClassLoader) + val ois = new ObjectInputStreamWithLoader(zis, + Thread.currentThread().getContextClassLoader) val cp = ois.readObject.asInstanceOf[Checkpoint] ois.close() fs.close() diff --git a/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala index a78d3965ee..00671ba520 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/DStream.scala @@ -56,8 +56,6 @@ abstract class DStream[T: ClassTag] ( @transient protected[streaming] var ssc: StreamingContext ) extends Serializable with Logging { - initLogging() - // ======================================================================= // Methods that should be implemented by subclasses of DStream // ======================================================================= @@ -208,7 +206,7 @@ abstract class DStream[T: ClassTag] ( checkpointDuration + "). Please set it to higher than " + checkpointDuration + "." ) - val metadataCleanerDelay = MetadataCleaner.getDelaySeconds + val metadataCleanerDelay = MetadataCleaner.getDelaySeconds(ssc.conf) logInfo("metadataCleanupDelay = " + metadataCleanerDelay) assert( metadataCleanerDelay < 0 || rememberDuration.milliseconds < metadataCleanerDelay * 1000, diff --git a/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala b/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala index daed7ff7c3..a09b891956 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/DStreamGraph.scala @@ -24,7 +24,6 @@ import org.apache.spark.Logging import org.apache.spark.streaming.scheduler.Job final private[streaming] class DStreamGraph extends Serializable with Logging { - initLogging() private val inputStreams = new ArrayBuffer[InputDStream[_]]() private val outputStreams = new ArrayBuffer[DStream[_]]() diff --git a/streaming/src/main/scala/org/apache/spark/streaming/PairDStreamFunctions.scala b/streaming/src/main/scala/org/apache/spark/streaming/PairDStreamFunctions.scala index 80af96c060..56dbcbda23 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/PairDStreamFunctions.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/PairDStreamFunctions.scala @@ -108,8 +108,9 @@ extends Serializable { createCombiner: V => C, mergeValue: (C, V) => C, mergeCombiner: (C, C) => C, - partitioner: Partitioner) : DStream[(K, C)] = { - new ShuffledDStream[K, V, C](self, createCombiner, mergeValue, mergeCombiner, partitioner) + partitioner: Partitioner, + mapSideCombine: Boolean = true): DStream[(K, C)] = { + new ShuffledDStream[K, V, C](self, createCombiner, mergeValue, mergeCombiner, partitioner, mapSideCombine) } /** @@ -173,7 +174,13 @@ extends Serializable { slideDuration: Duration, partitioner: Partitioner ): DStream[(K, Seq[V])] = { - self.window(windowDuration, slideDuration).groupByKey(partitioner) + val createCombiner = (v: Seq[V]) => new ArrayBuffer[V] ++= v + val mergeValue = (buf: ArrayBuffer[V], v: Seq[V]) => buf ++= v + val mergeCombiner = (buf1: ArrayBuffer[V], buf2: ArrayBuffer[V]) => buf1 ++= buf2 + self.groupByKey(partitioner) + .window(windowDuration, slideDuration) + .combineByKey[ArrayBuffer[V]](createCombiner, mergeValue, mergeCombiner, partitioner) + .asInstanceOf[DStream[(K, Seq[V])]] } /** diff --git a/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala b/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala index 41da028a3c..b3a7cf08b9 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala @@ -20,17 +20,19 @@ package org.apache.spark.streaming import akka.actor.Props import akka.actor.SupervisorStrategy import akka.zeromq.Subscribe +import akka.util.ByteString import org.apache.spark.streaming.dstream._ +import org.apache.spark.streaming.scheduler.StreamingListener import org.apache.spark._ import org.apache.spark.rdd.RDD -import org.apache.spark.streaming.receivers.ActorReceiver import org.apache.spark.streaming.receivers.ReceiverSupervisorStrategy import org.apache.spark.streaming.receivers.ZeroMQReceiver import org.apache.spark.storage.StorageLevel import org.apache.spark.util.MetadataCleaner import org.apache.spark.streaming.receivers.ActorReceiver +import org.apache.spark.streaming.scheduler.{JobScheduler, NetworkInputTracker} import scala.collection.mutable.Queue import scala.collection.Map @@ -38,17 +40,15 @@ import scala.reflect.ClassTag import java.io.InputStream import java.util.concurrent.atomic.AtomicInteger -import java.util.UUID import org.apache.hadoop.io.LongWritable import org.apache.hadoop.io.Text import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat} import org.apache.hadoop.mapreduce.lib.input.TextInputFormat import org.apache.hadoop.fs.Path + import twitter4j.Status import twitter4j.auth.Authorization -import org.apache.spark.streaming.scheduler._ -import akka.util.ByteString /** * A StreamingContext is the main entry point for Spark Streaming functionality. Besides the basic @@ -63,18 +63,27 @@ class StreamingContext private ( /** * Create a StreamingContext using an existing SparkContext. - * @param sparkContext Existing SparkContext - * @param batchDuration The time interval at which streaming data will be divided into batches + * @param sparkContext existing SparkContext + * @param batchDuration the time interval at which streaming data will be divided into batches */ def this(sparkContext: SparkContext, batchDuration: Duration) = { this(sparkContext, null, batchDuration) } /** + * Create a StreamingContext by providing the configuration necessary for a new SparkContext. + * @param conf a [[org.apache.spark.SparkConf]] object specifying Spark parameters + * @param batchDuration the time interval at which streaming data will be divided into batches + */ + def this(conf: SparkConf, batchDuration: Duration) = { + this(StreamingContext.createNewSparkContext(conf), null, batchDuration) + } + + /** * Create a StreamingContext by providing the details necessary for creating a new SparkContext. - * @param master Cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). - * @param appName A name for your job, to display on the cluster web UI - * @param batchDuration The time interval at which streaming data will be divided into batches + * @param master cluster URL to connect to (e.g. mesos://host:port, spark://host:port, local[4]). + * @param appName a name for your job, to display on the cluster web UI + * @param batchDuration the time interval at which streaming data will be divided into batches */ def this( master: String, @@ -87,26 +96,25 @@ class StreamingContext private ( null, batchDuration) } - /** * Re-create a StreamingContext from a checkpoint file. * @param path Path either to the directory that was specified as the checkpoint directory, or * to the checkpoint file 'graph' or 'graph.bk'. */ - def this(path: String) = this(null, CheckpointReader.read(path), null) - - initLogging() + def this(path: String) = this(null, CheckpointReader.read(new SparkConf(), path), null) if (sc_ == null && cp_ == null) { throw new Exception("Spark Streaming cannot be initialized with " + "both SparkContext and checkpoint as null") } - if(cp_ != null && cp_.delaySeconds >= 0 && MetadataCleaner.getDelaySeconds < 0) { - MetadataCleaner.setDelaySeconds(cp_.delaySeconds) + private val conf_ = Option(sc_).map(_.conf).getOrElse(cp_.sparkConf) + + if(cp_ != null && cp_.delaySeconds >= 0 && MetadataCleaner.getDelaySeconds(conf_) < 0) { + MetadataCleaner.setDelaySeconds(conf_, cp_.delaySeconds) } - if (MetadataCleaner.getDelaySeconds < 0) { + if (MetadataCleaner.getDelaySeconds(conf_) < 0) { throw new SparkException("Spark Streaming cannot be used without setting spark.cleaner.ttl; " + "set this property before creating a SparkContext (use SPARK_JAVA_OPTS for the shell)") } @@ -115,12 +123,14 @@ class StreamingContext private ( protected[streaming] val sc: SparkContext = { if (isCheckpointPresent) { - new SparkContext(cp_.master, cp_.framework, cp_.sparkHome, cp_.jars, cp_.environment) + new SparkContext(cp_.sparkConf) } else { sc_ } } + protected[streaming] val conf = sc.conf + protected[streaming] val env = SparkEnv.get protected[streaming] val graph: DStreamGraph = { @@ -141,7 +151,7 @@ class StreamingContext private ( protected[streaming] var checkpointDir: String = { if (isCheckpointPresent) { - sc.setCheckpointDir(StreamingContext.getSparkCheckpointDir(cp_.checkpointDir), true) + sc.setCheckpointDir(cp_.checkpointDir) cp_.checkpointDir } else { null @@ -176,8 +186,12 @@ class StreamingContext private ( */ def checkpoint(directory: String) { if (directory != null) { - sc.setCheckpointDir(StreamingContext.getSparkCheckpointDir(directory)) - checkpointDir = directory + val path = new Path(directory) + val fs = path.getFileSystem(sparkContext.hadoopConfiguration) + fs.mkdirs(path) + val fullPath = fs.getFileStatus(path).getPath().toString + sc.setCheckpointDir(fullPath) + checkpointDir = fullPath } else { checkpointDir = null } @@ -368,7 +382,8 @@ class StreamingContext private ( /** * Create a input stream that monitors a Hadoop-compatible filesystem * for new files and reads them using the given key-value types and input format. - * File names starting with . are ignored. + * Files must be written to the monitored directory by "moving" them from another + * location within the same file system. File names starting with . are ignored. * @param directory HDFS directory to monitor for new file * @tparam K Key type for reading HDFS file * @tparam V Value type for reading HDFS file @@ -387,6 +402,8 @@ class StreamingContext private ( /** * Create a input stream that monitors a Hadoop-compatible filesystem * for new files and reads them using the given key-value types and input format. + * Files must be written to the monitored directory by "moving" them from another + * location within the same file system. * @param directory HDFS directory to monitor for new file * @param filter Function to filter paths to process * @param newFilesOnly Should process only new files and ignore existing files in the directory @@ -407,7 +424,9 @@ class StreamingContext private ( /** * Create a input stream that monitors a Hadoop-compatible filesystem * for new files and reads them as text files (using key as LongWritable, value - * as Text and input format as TextInputFormat). File names starting with . are ignored. + * as Text and input format as TextInputFormat). Files must be written to the + * monitored directory by "moving" them from another location within the same + * file system. File names starting with . are ignored. * @param directory HDFS directory to monitor for new file */ def textFileStream(directory: String): DStream[String] = { @@ -576,18 +595,36 @@ object StreamingContext { new PairDStreamFunctions[K, V](stream) } + /** + * Find the JAR from which a given class was loaded, to make it easy for users to pass + * their JARs to SparkContext. + */ + def jarOfClass(cls: Class[_]) = SparkContext.jarOfClass(cls) + + protected[streaming] def createNewSparkContext(conf: SparkConf): SparkContext = { + // Set the default cleaner delay to an hour if not already set. + // This should be sufficient for even 1 second batch intervals. + val sc = new SparkContext(conf) + if (MetadataCleaner.getDelaySeconds(sc.conf) < 0) { + MetadataCleaner.setDelaySeconds(sc.conf, 3600) + } + sc + } + protected[streaming] def createNewSparkContext( master: String, appName: String, sparkHome: String, jars: Seq[String], - environment: Map[String, String]): SparkContext = { + environment: Map[String, String]): SparkContext = + { + val sc = new SparkContext(master, appName, sparkHome, jars, environment) // Set the default cleaner delay to an hour if not already set. - // This should be sufficient for even 1 second interval. - if (MetadataCleaner.getDelaySeconds < 0) { - MetadataCleaner.setDelaySeconds(3600) + // This should be sufficient for even 1 second batch intervals. + if (MetadataCleaner.getDelaySeconds(sc.conf) < 0) { + MetadataCleaner.setDelaySeconds(sc.conf, 3600) } - new SparkContext(master, appName, sparkHome, jars, environment) + sc } protected[streaming] def rddToFileName[T](prefix: String, suffix: String, time: Time): String = { @@ -599,8 +636,4 @@ object StreamingContext { prefix + "-" + time.milliseconds + "." + suffix } } - - protected[streaming] def getSparkCheckpointDir(sscCheckpointDir: String): String = { - new Path(sscCheckpointDir, UUID.randomUUID.toString).toString - } } diff --git a/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaPairDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaPairDStream.scala index dfd6e27c3e..6c3467d405 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaPairDStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaPairDStream.scala @@ -155,7 +155,7 @@ class JavaPairDStream[K, V](val dstream: DStream[(K, V)])( /** * Combine elements of each key in DStream's RDDs using custom function. This is similar to the - * combineByKey for RDDs. Please refer to combineByKey in [[org.apache.spark.PairRDDFunctions]] for more + * combineByKey for RDDs. Please refer to combineByKey in [[org.apache.spark.rdd.PairRDDFunctions]] for more * information. */ def combineByKey[C](createCombiner: JFunction[V, C], @@ -169,6 +169,22 @@ class JavaPairDStream[K, V](val dstream: DStream[(K, V)])( } /** + * Combine elements of each key in DStream's RDDs using custom function. This is similar to the + * combineByKey for RDDs. Please refer to combineByKey in [[org.apache.spark.rdd.PairRDDFunctions]] for more + * information. + */ + def combineByKey[C](createCombiner: JFunction[V, C], + mergeValue: JFunction2[C, V, C], + mergeCombiners: JFunction2[C, C, C], + partitioner: Partitioner, + mapSideCombine: Boolean + ): JavaPairDStream[K, C] = { + implicit val cm: ClassTag[C] = + implicitly[ClassTag[AnyRef]].asInstanceOf[ClassTag[C]] + dstream.combineByKey(createCombiner, mergeValue, mergeCombiners, partitioner, mapSideCombine) + } + + /** * Return a new DStream by applying `groupByKey` over a sliding window. This is similar to * `DStream.groupByKey()` but applies it over a sliding window. The new DStream generates RDDs * with the same interval as this DStream. Hash partitioning is used to generate the RDDs with diff --git a/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaStreamingContext.scala b/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaStreamingContext.scala index 78d318cf27..7dec4b3ad7 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaStreamingContext.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/api/java/JavaStreamingContext.scala @@ -17,26 +17,25 @@ package org.apache.spark.streaming.api.java -import java.lang.{Integer => JInt} import java.io.InputStream -import java.util.{Map => JMap, List => JList} +import java.lang.{Integer => JInt} +import java.util.{List => JList, Map => JMap} import scala.collection.JavaConversions._ import scala.reflect.ClassTag +import akka.actor.{Props, SupervisorStrategy} +import akka.util.ByteString +import akka.zeromq.Subscribe import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat} import twitter4j.Status -import akka.actor.Props -import akka.actor.SupervisorStrategy -import akka.zeromq.Subscribe -import akka.util.ByteString - import twitter4j.auth.Authorization +import org.apache.spark.{SparkConf, SparkContext} +import org.apache.spark.api.java.{JavaPairRDD, JavaRDD, JavaSparkContext} +import org.apache.spark.api.java.function.{Function => JFunction, Function2 => JFunction2} import org.apache.spark.rdd.RDD import org.apache.spark.storage.StorageLevel -import org.apache.spark.api.java.function.{Function => JFunction, Function2 => JFunction2} -import org.apache.spark.api.java.{JavaPairRDD, JavaSparkContext, JavaRDD} import org.apache.spark.streaming._ import org.apache.spark.streaming.dstream._ import org.apache.spark.streaming.scheduler.StreamingListener @@ -124,6 +123,14 @@ class JavaStreamingContext(val ssc: StreamingContext) { this(new StreamingContext(sparkContext.sc, batchDuration)) /** + * Creates a StreamingContext using an existing SparkContext. + * @param conf A Spark application configuration + * @param batchDuration The time interval at which streaming data will be divided into batches + */ + def this(conf: SparkConf, batchDuration: Duration) = + this(new StreamingContext(conf, batchDuration)) + + /** * Re-creates a StreamingContext from a checkpoint file. * @param path Path either to the directory that was specified as the checkpoint directory, or * to the checkpoint file 'graph' or 'graph.bk'. @@ -256,9 +263,11 @@ class JavaStreamingContext(val ssc: StreamingContext) { } /** - * Creates a input stream that monitors a Hadoop-compatible filesystem + * Create a input stream that monitors a Hadoop-compatible filesystem * for new files and reads them as text files (using key as LongWritable, value - * as Text and input format as TextInputFormat). File names starting with . are ignored. + * as Text and input format as TextInputFormat). Files must be written to the + * monitored directory by "moving" them from another location within the same + * file system. File names starting with . are ignored. * @param directory HDFS directory to monitor for new file */ def textFileStream(directory: String): JavaDStream[String] = { @@ -300,9 +309,10 @@ class JavaStreamingContext(val ssc: StreamingContext) { } /** - * Creates a input stream that monitors a Hadoop-compatible filesystem + * Create a input stream that monitors a Hadoop-compatible filesystem * for new files and reads them using the given key-value types and input format. - * File names starting with . are ignored. + * Files must be written to the monitored directory by "moving" them from another + * location within the same file system. File names starting with . are ignored. * @param directory HDFS directory to monitor for new file * @tparam K Key type for reading HDFS file * @tparam V Value type for reading HDFS file @@ -331,7 +341,7 @@ class JavaStreamingContext(val ssc: StreamingContext) { /** - * Creates a input stream from a Flume source. + * Create a input stream from a Flume source. * @param hostname Hostname of the slave machine to which the flume data will be sent * @param port Port of the slave machine to which the flume data will be sent */ @@ -704,5 +714,12 @@ class JavaStreamingContext(val ssc: StreamingContext) { * Sstops the execution of the streams. */ def stop() = ssc.stop() +} +object JavaStreamingContext { + /** + * Find the JAR from which a given class was loaded, to make it easy for users to pass + * their JARs to SparkContext. + */ + def jarOfClass(cls: Class[_]) = SparkContext.jarOfClass(cls).toArray } diff --git a/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala index 39e25239bf..fb9eda8996 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala @@ -17,18 +17,17 @@ package org.apache.spark.streaming.dstream -import org.apache.spark.rdd.RDD -import org.apache.spark.rdd.UnionRDD -import org.apache.spark.streaming.{DStreamCheckpointData, StreamingContext, Time} - +import java.io.{ObjectInputStream, IOException} +import scala.collection.mutable.{HashSet, HashMap} +import scala.reflect.ClassTag import org.apache.hadoop.fs.{FileSystem, Path, PathFilter} import org.apache.hadoop.conf.Configuration import org.apache.hadoop.mapreduce.{InputFormat => NewInputFormat} +import org.apache.spark.SparkException +import org.apache.spark.rdd.RDD +import org.apache.spark.rdd.UnionRDD +import org.apache.spark.streaming.{DStreamCheckpointData, StreamingContext, Time} -import scala.collection.mutable.{HashSet, HashMap} -import scala.reflect.ClassTag - -import java.io.{ObjectInputStream, IOException} private[streaming] class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : ClassTag]( @@ -41,8 +40,8 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas protected[streaming] override val checkpointData = new FileInputDStreamCheckpointData // Latest file mod time seen till any point of time - private val lastModTimeFiles = new HashSet[String]() - private var lastModTime = 0L + private val prevModTimeFiles = new HashSet[String]() + private var prevModTime = 0L @transient private var path_ : Path = null @transient private var fs_ : FileSystem = null @@ -50,11 +49,11 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas override def start() { if (newFilesOnly) { - lastModTime = graph.zeroTime.milliseconds + prevModTime = graph.zeroTime.milliseconds } else { - lastModTime = 0 + prevModTime = 0 } - logDebug("LastModTime initialized to " + lastModTime + ", new files only = " + newFilesOnly) + logDebug("LastModTime initialized to " + prevModTime + ", new files only = " + newFilesOnly) } override def stop() { } @@ -69,55 +68,22 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas * the previous call. */ override def compute(validTime: Time): Option[RDD[(K, V)]] = { - assert(validTime.milliseconds >= lastModTime, "Trying to get new files for really old time [" + validTime + " < " + lastModTime) + assert(validTime.milliseconds >= prevModTime, + "Trying to get new files for really old time [" + validTime + " < " + prevModTime + "]") - // Create the filter for selecting new files - val newFilter = new PathFilter() { - // Latest file mod time seen in this round of fetching files and its corresponding files - var latestModTime = 0L - val latestModTimeFiles = new HashSet[String]() - - def accept(path: Path): Boolean = { - if (!filter(path)) { // Reject file if it does not satisfy filter - logDebug("Rejected by filter " + path) - return false - } else { // Accept file only if - val modTime = fs.getFileStatus(path).getModificationTime() - logDebug("Mod time for " + path + " is " + modTime) - if (modTime < lastModTime) { - logDebug("Mod time less than last mod time") - return false // If the file was created before the last time it was called - } else if (modTime == lastModTime && lastModTimeFiles.contains(path.toString)) { - logDebug("Mod time equal to last mod time, but file considered already") - return false // If the file was created exactly as lastModTime but not reported yet - } else if (modTime > validTime.milliseconds) { - logDebug("Mod time more than valid time") - return false // If the file was created after the time this function call requires - } - if (modTime > latestModTime) { - latestModTime = modTime - latestModTimeFiles.clear() - logDebug("Latest mod time updated to " + latestModTime) - } - latestModTimeFiles += path.toString - logDebug("Accepted " + path) - return true - } - } - } - logDebug("Finding new files at time " + validTime + " for last mod time = " + lastModTime) - val newFiles = fs.listStatus(path, newFilter).map(_.getPath.toString) + // Find new files + val (newFiles, latestModTime, latestModTimeFiles) = findNewFiles(validTime.milliseconds) logInfo("New files at time " + validTime + ":\n" + newFiles.mkString("\n")) if (newFiles.length > 0) { // Update the modification time and the files processed for that modification time - if (lastModTime != newFilter.latestModTime) { - lastModTime = newFilter.latestModTime - lastModTimeFiles.clear() + if (prevModTime < latestModTime) { + prevModTime = latestModTime + prevModTimeFiles.clear() } - lastModTimeFiles ++= newFilter.latestModTimeFiles - logDebug("Last mod time updated to " + lastModTime) + prevModTimeFiles ++= latestModTimeFiles + logDebug("Last mod time updated to " + prevModTime) } - files += ((validTime, newFiles)) + files += ((validTime, newFiles.toArray)) Some(filesToRDD(newFiles)) } @@ -132,12 +98,28 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas oldFiles.map(p => (p._1, p._2.mkString(", "))).mkString("\n")) } + /** + * Find files which have modification timestamp <= current time and return a 3-tuple of + * (new files found, latest modification time among them, files with latest modification time) + */ + private def findNewFiles(currentTime: Long): (Seq[String], Long, Seq[String]) = { + logDebug("Trying to get new files for time " + currentTime) + val filter = new CustomPathFilter(currentTime) + val newFiles = fs.listStatus(path, filter).map(_.getPath.toString) + (newFiles, filter.latestModTime, filter.latestModTimeFiles.toSeq) + } + /** Generate one RDD from an array of files */ - protected[streaming] def filesToRDD(files: Seq[String]): RDD[(K, V)] = { - new UnionRDD( - context.sparkContext, - files.map(file => context.sparkContext.newAPIHadoopFile[K, V, F](file)) - ) + private def filesToRDD(files: Seq[String]): RDD[(K, V)] = { + val fileRDDs = files.map(file => context.sparkContext.newAPIHadoopFile[K, V, F](file)) + files.zip(fileRDDs).foreach { case (file, rdd) => { + if (rdd.partitions.size == 0) { + logError("File " + file + " has no data in it. Spark Streaming can only ingest " + + "files that have been \"moved\" to the directory assigned to the file stream. " + + "Refer to the streaming programming guide for more details.") + } + }} + new UnionRDD(context.sparkContext, fileRDDs) } private def path: Path = { @@ -150,6 +132,10 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas fs_ } + private def reset() { + fs_ = null + } + @throws(classOf[IOException]) private def readObject(ois: ObjectInputStream) { logDebug(this.getClass().getSimpleName + ".readObject used") @@ -191,6 +177,51 @@ class FileInputDStream[K: ClassTag, V: ClassTag, F <: NewInputFormat[K,V] : Clas hadoopFiles.map(p => (p._1, p._2.mkString(", "))).mkString("\n") + "\n]" } } + + /** + * Custom PathFilter class to find new files that have modification timestamps <= current time, + * but have not been seen before (i.e. the file should not be in lastModTimeFiles) + */ + private[streaming] + class CustomPathFilter(maxModTime: Long) extends PathFilter { + // Latest file mod time seen in this round of fetching files and its corresponding files + var latestModTime = 0L + val latestModTimeFiles = new HashSet[String]() + + def accept(path: Path): Boolean = { + try { + if (!filter(path)) { // Reject file if it does not satisfy filter + logDebug("Rejected by filter " + path) + return false + } + val modTime = fs.getFileStatus(path).getModificationTime() + logDebug("Mod time for " + path + " is " + modTime) + if (modTime < prevModTime) { + logDebug("Mod time less than last mod time") + return false // If the file was created before the last time it was called + } else if (modTime == prevModTime && prevModTimeFiles.contains(path.toString)) { + logDebug("Mod time equal to last mod time, but file considered already") + return false // If the file was created exactly as lastModTime but not reported yet + } else if (modTime > maxModTime) { + logDebug("Mod time more than ") + return false // If the file is too new that considering it may give errors + } + if (modTime > latestModTime) { + latestModTime = modTime + latestModTimeFiles.clear() + logDebug("Latest mod time updated to " + latestModTime) + } + latestModTimeFiles += path.toString + logDebug("Accepted " + path) + } catch { + case fnfe: java.io.FileNotFoundException => + logWarning("Error finding new files", fnfe) + reset() + return false + } + return true + } + } } private[streaming] diff --git a/streaming/src/main/scala/org/apache/spark/streaming/dstream/NetworkInputDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/dstream/NetworkInputDStream.scala index 5add20871e..27d474c0a0 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/dstream/NetworkInputDStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/dstream/NetworkInputDStream.scala @@ -88,8 +88,6 @@ private[streaming] case class ReportError(msg: String) extends NetworkReceiverMe */ abstract class NetworkReceiver[T: ClassTag]() extends Serializable with Logging { - initLogging() - lazy protected val env = SparkEnv.get lazy protected val actor = env.actorSystem.actorOf( @@ -176,8 +174,8 @@ abstract class NetworkReceiver[T: ClassTag]() extends Serializable with Logging /** A helper actor that communicates with the NetworkInputTracker */ private class NetworkReceiverActor extends Actor { logInfo("Attempting to register with tracker") - val ip = System.getProperty("spark.driver.host", "localhost") - val port = System.getProperty("spark.driver.port", "7077").toInt + val ip = env.conf.get("spark.driver.host", "localhost") + val port = env.conf.get("spark.driver.port", "7077").toInt val url = "akka.tcp://spark@%s:%s/user/NetworkInputTracker".format(ip, port) val tracker = env.actorSystem.actorSelection(url) val timeout = 5.seconds @@ -214,7 +212,7 @@ abstract class NetworkReceiver[T: ClassTag]() extends Serializable with Logging case class Block(id: BlockId, buffer: ArrayBuffer[T], metadata: Any = null) val clock = new SystemClock() - val blockInterval = System.getProperty("spark.streaming.blockInterval", "200").toLong + val blockInterval = env.conf.get("spark.streaming.blockInterval", "200").toLong val blockIntervalTimer = new RecurringTimer(clock, blockInterval, updateCurrentBuffer) val blockStorageLevel = storageLevel val blocksForPushing = new ArrayBlockingQueue[Block](1000) diff --git a/streaming/src/main/scala/org/apache/spark/streaming/dstream/ShuffledDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/dstream/ShuffledDStream.scala index e6e0022097..84e69f277b 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/dstream/ShuffledDStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/dstream/ShuffledDStream.scala @@ -29,8 +29,9 @@ class ShuffledDStream[K: ClassTag, V: ClassTag, C: ClassTag]( createCombiner: V => C, mergeValue: (C, V) => C, mergeCombiner: (C, C) => C, - partitioner: Partitioner - ) extends DStream [(K,C)] (parent.ssc) { + partitioner: Partitioner, + mapSideCombine: Boolean = true + ) extends DStream[(K,C)] (parent.ssc) { override def dependencies = List(parent) @@ -38,8 +39,8 @@ class ShuffledDStream[K: ClassTag, V: ClassTag, C: ClassTag]( override def compute(validTime: Time): Option[RDD[(K,C)]] = { parent.getOrCompute(validTime) match { - case Some(rdd) => - Some(rdd.combineByKey[C](createCombiner, mergeValue, mergeCombiner, partitioner)) + case Some(rdd) => Some(rdd.combineByKey[C]( + createCombiner, mergeValue, mergeCombiner, partitioner, mapSideCombine)) case None => None } } diff --git a/streaming/src/main/scala/org/apache/spark/streaming/dstream/WindowedDStream.scala b/streaming/src/main/scala/org/apache/spark/streaming/dstream/WindowedDStream.scala index 73d959331a..89c43ff935 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/dstream/WindowedDStream.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/dstream/WindowedDStream.scala @@ -17,10 +17,10 @@ package org.apache.spark.streaming.dstream -import org.apache.spark.rdd.RDD -import org.apache.spark.rdd.UnionRDD +import org.apache.spark.rdd.{PartitionerAwareUnionRDD, RDD, UnionRDD} import org.apache.spark.storage.StorageLevel -import org.apache.spark.streaming.{Duration, Interval, Time, DStream} +import org.apache.spark.streaming._ +import org.apache.spark.streaming.Duration import scala.reflect.ClassTag @@ -51,6 +51,14 @@ class WindowedDStream[T: ClassTag]( override def compute(validTime: Time): Option[RDD[T]] = { val currentWindow = new Interval(validTime - windowDuration + parent.slideDuration, validTime) - Some(new UnionRDD(ssc.sc, parent.slice(currentWindow))) + val rddsInWindow = parent.slice(currentWindow) + val windowRDD = if (rddsInWindow.flatMap(_.partitioner).distinct.length == 1) { + logDebug("Using partition aware union for windowing at " + validTime) + new PartitionerAwareUnionRDD(ssc.sc, rddsInWindow) + } else { + logDebug("Using normal union for windowing at " + validTime) + new UnionRDD(ssc.sc,rddsInWindow) + } + Some(windowRDD) } } diff --git a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala index 1cd0b9b0a4..5f8be93a98 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala @@ -17,11 +17,18 @@ package org.apache.spark.streaming.scheduler +import akka.actor.{Props, Actor} import org.apache.spark.SparkEnv import org.apache.spark.Logging import org.apache.spark.streaming.{Checkpoint, Time, CheckpointWriter} import org.apache.spark.streaming.util.{ManualClock, RecurringTimer, Clock} +/** Event classes for JobGenerator */ +private[scheduler] sealed trait JobGeneratorEvent +private[scheduler] case class GenerateJobs(time: Time) extends JobGeneratorEvent +private[scheduler] case class ClearOldMetadata(time: Time) extends JobGeneratorEvent +private[scheduler] case class DoCheckpoint(time: Time) extends JobGeneratorEvent + /** * This class generates jobs from DStreams as well as drives checkpointing and cleaning * up DStream metadata. @@ -29,52 +36,75 @@ import org.apache.spark.streaming.util.{ManualClock, RecurringTimer, Clock} private[streaming] class JobGenerator(jobScheduler: JobScheduler) extends Logging { - initLogging() val ssc = jobScheduler.ssc - val clockClass = System.getProperty( - "spark.streaming.clock", "org.apache.spark.streaming.util.SystemClock") - val clock = Class.forName(clockClass).newInstance().asInstanceOf[Clock] - val timer = new RecurringTimer(clock, ssc.graph.batchDuration.milliseconds, - longTime => generateJobs(new Time(longTime))) val graph = ssc.graph + val eventProcessorActor = ssc.env.actorSystem.actorOf(Props(new Actor { + def receive = { + case event: JobGeneratorEvent => + logDebug("Got event of type " + event.getClass.getName) + processEvent(event) + } + })) + val clock = { + val clockClass = ssc.sc.conf.get( + "spark.streaming.clock", "org.apache.spark.streaming.util.SystemClock") + Class.forName(clockClass).newInstance().asInstanceOf[Clock] + } + val timer = new RecurringTimer(clock, ssc.graph.batchDuration.milliseconds, + longTime => eventProcessorActor ! GenerateJobs(new Time(longTime))) lazy val checkpointWriter = if (ssc.checkpointDuration != null && ssc.checkpointDir != null) { - new CheckpointWriter(ssc.checkpointDir) + new CheckpointWriter(ssc.conf, ssc.checkpointDir, ssc.sparkContext.hadoopConfiguration) } else { null } - var latestTime: Time = null - def start() = synchronized { if (ssc.isCheckpointPresent) { restart() } else { startFirstTime() } - logInfo("JobGenerator started") } - - def stop() = synchronized { + + def stop() { timer.stop() if (checkpointWriter != null) checkpointWriter.stop() ssc.graph.stop() logInfo("JobGenerator stopped") } + /** + * On batch completion, clear old metadata and checkpoint computation. + */ + private[scheduler] def onBatchCompletion(time: Time) { + eventProcessorActor ! ClearOldMetadata(time) + } + + /** Processes all events */ + private def processEvent(event: JobGeneratorEvent) { + event match { + case GenerateJobs(time) => generateJobs(time) + case ClearOldMetadata(time) => clearOldMetadata(time) + case DoCheckpoint(time) => doCheckpoint(time) + } + } + + /** Starts the generator for the first time */ private def startFirstTime() { val startTime = new Time(timer.getStartTime()) graph.start(startTime - graph.batchDuration) timer.start(startTime.milliseconds) - logInfo("JobGenerator's timer started at " + startTime) + logInfo("JobGenerator started at " + startTime) } + /** Restarts the generator based on the information in checkpoint */ private def restart() { // If manual clock is being used for testing, then // either set the manual clock to the last checkpointed time, // or if the property is defined set it to that time if (clock.isInstanceOf[ManualClock]) { val lastTime = ssc.initialCheckpoint.checkpointTime.milliseconds - val jumpTime = System.getProperty("spark.streaming.manualClock.jump", "0").toLong + val jumpTime = ssc.sc.conf.get("spark.streaming.manualClock.jump", "0").toLong clock.asInstanceOf[ManualClock].setTime(lastTime + jumpTime) } @@ -99,7 +129,7 @@ class JobGenerator(jobScheduler: JobScheduler) extends Logging { // Restart the timer timer.start(restartTime.milliseconds) - logInfo("JobGenerator's timer restarted at " + restartTime) + logInfo("JobGenerator restarted at " + restartTime) } /** Generate jobs and perform checkpoint for the given `time`. */ @@ -107,16 +137,13 @@ class JobGenerator(jobScheduler: JobScheduler) extends Logging { SparkEnv.set(ssc.env) logInfo("\n-----------------------------------------------------\n") jobScheduler.runJobs(time, graph.generateJobs(time)) - latestTime = time - doCheckpoint(time) + eventProcessorActor ! DoCheckpoint(time) } - /** - * On batch completion, clear old metadata and checkpoint computation. - */ - private[streaming] def onBatchCompletion(time: Time) { + /** Clear DStream metadata for the given `time`. */ + private def clearOldMetadata(time: Time) { ssc.graph.clearOldMetadata(time) - doCheckpoint(time) + eventProcessorActor ! DoCheckpoint(time) } /** Perform checkpoint for the give `time`. */ diff --git a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala index 9511ccfbed..9304fc1a93 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobScheduler.scala @@ -25,15 +25,13 @@ import org.apache.spark.streaming._ /** * This class schedules jobs to be run on Spark. It uses the JobGenerator to generate - * the jobs and runs them using a thread pool. Number of threads + * the jobs and runs them using a thread pool. Number of threads */ private[streaming] class JobScheduler(val ssc: StreamingContext) extends Logging { - initLogging() - val jobSets = new ConcurrentHashMap[Time, JobSet] - val numConcurrentJobs = System.getProperty("spark.streaming.concurrentJobs", "1").toInt + val numConcurrentJobs = ssc.conf.get("spark.streaming.concurrentJobs", "1").toInt val executor = Executors.newFixedThreadPool(numConcurrentJobs) val generator = new JobGenerator(this) val listenerBus = new StreamingListenerBus() diff --git a/streaming/src/main/scala/org/apache/spark/streaming/util/MasterFailureTest.scala b/streaming/src/main/scala/org/apache/spark/streaming/util/MasterFailureTest.scala index 4a3993e3e3..1559f7a9f7 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/util/MasterFailureTest.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/util/MasterFailureTest.scala @@ -39,7 +39,6 @@ import org.apache.hadoop.conf.Configuration private[streaming] object MasterFailureTest extends Logging { - initLogging() @volatile var killed = false @volatile var killCount = 0 @@ -331,7 +330,6 @@ class TestOutputStream[T: ClassTag]( */ private[streaming] class KillingThread(ssc: StreamingContext, maxKillWaitTime: Long) extends Thread with Logging { - initLogging() override def run() { try { @@ -366,7 +364,6 @@ class KillingThread(ssc: StreamingContext, maxKillWaitTime: Long) extends Thread private[streaming] class FileGeneratingThread(input: Seq[String], testDir: Path, interval: Long) extends Thread with Logging { - initLogging() override def run() { val localTestDir = Files.createTempDir() diff --git a/streaming/src/main/scala/org/apache/spark/streaming/util/RawTextSender.scala b/streaming/src/main/scala/org/apache/spark/streaming/util/RawTextSender.scala index fc8655a083..6585d494a6 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/util/RawTextSender.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/util/RawTextSender.scala @@ -20,7 +20,7 @@ package org.apache.spark.streaming.util import java.nio.ByteBuffer import org.apache.spark.util.{RateLimitedOutputStream, IntParam} import java.net.ServerSocket -import org.apache.spark.{Logging} +import org.apache.spark.{SparkConf, Logging} import it.unimi.dsi.fastutil.io.FastByteArrayOutputStream import scala.io.Source import java.io.IOException @@ -42,7 +42,7 @@ object RawTextSender extends Logging { // Repeat the input data multiple times to fill in a buffer val lines = Source.fromFile(file).getLines().toArray val bufferStream = new FastByteArrayOutputStream(blockSize + 1000) - val ser = new KryoSerializer().newInstance() + val ser = new KryoSerializer(new SparkConf()).newInstance() val serStream = ser.serializeStream(bufferStream) var i = 0 while (bufferStream.position < blockSize) { diff --git a/streaming/src/test/java/org/apache/spark/streaming/JavaAPISuite.java b/streaming/src/test/java/org/apache/spark/streaming/JavaAPISuite.java index daeb99f5b7..d53d433693 100644 --- a/streaming/src/test/java/org/apache/spark/streaming/JavaAPISuite.java +++ b/streaming/src/test/java/org/apache/spark/streaming/JavaAPISuite.java @@ -25,6 +25,7 @@ import com.google.common.io.Files; import kafka.serializer.StringDecoder; import org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat; +import org.apache.spark.SparkConf; import org.apache.spark.streaming.api.java.JavaDStreamLike; import org.junit.After; import org.junit.Assert; @@ -62,8 +63,11 @@ public class JavaAPISuite implements Serializable { @Before public void setUp() { - System.setProperty("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock"); - ssc = new JavaStreamingContext("local[2]", "test", new Duration(1000)); + SparkConf conf = new SparkConf() + .setMaster("local[2]") + .setAppName("test") + .set("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock"); + ssc = new JavaStreamingContext(conf, new Duration(1000)); ssc.checkpoint("checkpoint"); } @@ -101,7 +105,7 @@ public class JavaAPISuite implements Serializable { Arrays.asList("hello", "world"), Arrays.asList("goodnight", "moon")); - List<List<Integer>> expected = Arrays.asList( + List<List<Integer>> expected = Arrays.asList( Arrays.asList(5,5), Arrays.asList(9,4)); diff --git a/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala index b35ca00b53..ee6b433d1f 100644 --- a/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala +++ b/streaming/src/test/scala/org/apache/spark/streaming/BasicOperationsSuite.scala @@ -23,9 +23,9 @@ import org.apache.spark.rdd.RDD import org.apache.spark.SparkContext._ import util.ManualClock +import org.apache.spark.{SparkContext, SparkConf} class BasicOperationsSuite extends TestSuiteBase { - test("map") { val input = Seq(1 to 4, 5 to 8, 9 to 12) testOperation( @@ -375,7 +375,11 @@ class BasicOperationsSuite extends TestSuiteBase { } test("slice") { - val ssc = new StreamingContext("local[2]", "BasicOperationSuite", Seconds(1)) + val conf2 = new SparkConf() + .setMaster("local[2]") + .setAppName("BasicOperationsSuite") + .set("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") + val ssc = new StreamingContext(new SparkContext(conf2), Seconds(1)) val input = Seq(Seq(1), Seq(2), Seq(3), Seq(4)) val stream = new TestInputStream[Int](ssc, input, 2) ssc.registerInputStream(stream) diff --git a/streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala index 67a0841535..8dc80ac2ed 100644 --- a/streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala +++ b/streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala @@ -17,24 +17,18 @@ package org.apache.spark.streaming -import dstream.FileInputDStream -import org.apache.spark.streaming.StreamingContext._ import java.io.File import scala.collection.mutable.ArrayBuffer import scala.reflect.ClassTag - import org.apache.commons.io.FileUtils -import org.scalatest.BeforeAndAfter - import com.google.common.io.Files - -import org.apache.spark.streaming.StreamingContext.toPairDStreamFunctions +import org.apache.hadoop.fs.{Path, FileSystem} +import org.apache.hadoop.conf.Configuration +import org.apache.spark.streaming.StreamingContext._ import org.apache.spark.streaming.dstream.FileInputDStream import org.apache.spark.streaming.util.ManualClock - - /** * This test suites tests the checkpointing functionality of DStreams - * the checkpointing of a DStream's RDDs as well as the checkpointing of @@ -63,10 +57,10 @@ class CheckpointSuite extends TestSuiteBase { assert(batchDuration === Milliseconds(500), "batchDuration for this test must be 1 second") - System.setProperty("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") + conf.set("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") val stateStreamCheckpointInterval = Seconds(1) - + val fs = FileSystem.getLocal(new Configuration()) // this ensure checkpointing occurs at least once val firstNumBatches = (stateStreamCheckpointInterval / batchDuration).toLong * 2 val secondNumBatches = firstNumBatches @@ -90,11 +84,12 @@ class CheckpointSuite extends TestSuiteBase { ssc.start() advanceTimeWithRealDelay(ssc, firstNumBatches) logInfo("Checkpoint data of state stream = \n" + stateStream.checkpointData) - assert(!stateStream.checkpointData.checkpointFiles.isEmpty, "No checkpointed RDDs in state stream before first failure") + assert(!stateStream.checkpointData.checkpointFiles.isEmpty, + "No checkpointed RDDs in state stream before first failure") stateStream.checkpointData.checkpointFiles.foreach { - case (time, data) => { - val file = new File(data.toString) - assert(file.exists(), "Checkpoint file '" + file +"' for time " + time + " for state stream before first failure does not exist") + case (time, file) => { + assert(fs.exists(new Path(file)), "Checkpoint file '" + file +"' for time " + time + + " for state stream before first failure does not exist") } } @@ -102,7 +97,8 @@ class CheckpointSuite extends TestSuiteBase { // and check whether the earlier checkpoint files are deleted val checkpointFiles = stateStream.checkpointData.checkpointFiles.map(x => new File(x._2)) advanceTimeWithRealDelay(ssc, secondNumBatches) - checkpointFiles.foreach(file => assert(!file.exists, "Checkpoint file '" + file + "' was not deleted")) + checkpointFiles.foreach(file => + assert(!file.exists, "Checkpoint file '" + file + "' was not deleted")) ssc.stop() // Restart stream computation using the checkpoint file and check whether @@ -110,19 +106,20 @@ class CheckpointSuite extends TestSuiteBase { ssc = new StreamingContext(checkpointDir) stateStream = ssc.graph.getOutputStreams().head.dependencies.head.dependencies.head logInfo("Restored data of state stream = \n[" + stateStream.generatedRDDs.mkString("\n") + "]") - assert(!stateStream.generatedRDDs.isEmpty, "No restored RDDs in state stream after recovery from first failure") + assert(!stateStream.generatedRDDs.isEmpty, + "No restored RDDs in state stream after recovery from first failure") // Run one batch to generate a new checkpoint file and check whether some RDD // is present in the checkpoint data or not ssc.start() advanceTimeWithRealDelay(ssc, 1) - assert(!stateStream.checkpointData.checkpointFiles.isEmpty, "No checkpointed RDDs in state stream before second failure") + assert(!stateStream.checkpointData.checkpointFiles.isEmpty, + "No checkpointed RDDs in state stream before second failure") stateStream.checkpointData.checkpointFiles.foreach { - case (time, data) => { - val file = new File(data.toString) - assert(file.exists(), - "Checkpoint file '" + file +"' for time " + time + " for state stream before seconds failure does not exist") + case (time, file) => { + assert(fs.exists(new Path(file)), "Checkpoint file '" + file +"' for time " + time + + " for state stream before seconds failure does not exist") } } ssc.stop() @@ -132,10 +129,12 @@ class CheckpointSuite extends TestSuiteBase { ssc = new StreamingContext(checkpointDir) stateStream = ssc.graph.getOutputStreams().head.dependencies.head.dependencies.head logInfo("Restored data of state stream = \n[" + stateStream.generatedRDDs.mkString("\n") + "]") - assert(!stateStream.generatedRDDs.isEmpty, "No restored RDDs in state stream after recovery from second failure") + assert(!stateStream.generatedRDDs.isEmpty, + "No restored RDDs in state stream after recovery from second failure") - // Adjust manual clock time as if it is being restarted after a delay - System.setProperty("spark.streaming.manualClock.jump", (batchDuration.milliseconds * 7).toString) + // Adjust manual clock time as if it is being restarted after a delay; this is a hack because + // we modify the conf object, but it works for this one property + ssc.conf.set("spark.streaming.manualClock.jump", (batchDuration.milliseconds * 7).toString) ssc.start() advanceTimeWithRealDelay(ssc, 4) ssc.stop() @@ -143,6 +142,7 @@ class CheckpointSuite extends TestSuiteBase { ssc = null } + // This tests whether the systm can recover from a master failure with simple // non-stateful operations. This assumes as reliable, replayable input // source - TestInputDStream. @@ -191,15 +191,12 @@ class CheckpointSuite extends TestSuiteBase { testCheckpointedOperation(input, operation, output, 7) } + // This tests whether file input stream remembers what files were seen before // the master failure and uses them again to process a large window operation. // It also tests whether batches, whose processing was incomplete due to the // failure, are re-processed or not. test("recovery with file input stream") { - // Disable manual clock as FileInputDStream does not work with manual clock - val clockProperty = System.getProperty("spark.streaming.clock") - System.clearProperty("spark.streaming.clock") - // Set up the streaming context and input streams val testDir = Files.createTempDir() var ssc = new StreamingContext(master, framework, Seconds(1)) @@ -296,10 +293,6 @@ class CheckpointSuite extends TestSuiteBase { ) // To ensure that all the inputs were received correctly assert(expectedOutput.last === output.last) - - // Enable manual clock back again for other tests - if (clockProperty != null) - System.setProperty("spark.streaming.clock", clockProperty) } diff --git a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala index 62a9f120b4..5185954521 100644 --- a/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala +++ b/streaming/src/test/scala/org/apache/spark/streaming/InputStreamsSuite.scala @@ -23,7 +23,7 @@ import akka.actor.IOManager import akka.actor.Props import akka.util.ByteString -import org.apache.spark.streaming.dstream.{NetworkReceiver, SparkFlumeEvent} +import org.apache.spark.streaming.dstream.{FileInputDStream, NetworkReceiver, SparkFlumeEvent} import java.net.{InetSocketAddress, SocketException, Socket, ServerSocket} import java.io.{File, BufferedWriter, OutputStreamWriter} import java.util.concurrent.{Executors, TimeUnit, ArrayBlockingQueue} @@ -56,9 +56,9 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { testServer.start() // Set up the streaming context and input streams - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val networkStream = ssc.socketTextStream("localhost", testServer.port, StorageLevel.MEMORY_AND_DISK) - val outputBuffer = new ArrayBuffer[Seq[String]] with SynchronizedBuffer[Seq[String ]] + val outputBuffer = new ArrayBuffer[Seq[String]] with SynchronizedBuffer[Seq[String]] val outputStream = new TestOutputStream(networkStream, outputBuffer) def output = outputBuffer.flatMap(x => x) ssc.registerOutputStream(outputStream) @@ -101,7 +101,7 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { test("flume input stream") { // Set up the streaming context and input streams - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val flumeStream = ssc.flumeStream("localhost", testPort, StorageLevel.MEMORY_AND_DISK) val outputBuffer = new ArrayBuffer[Seq[SparkFlumeEvent]] with SynchronizedBuffer[Seq[SparkFlumeEvent]] @@ -150,11 +150,11 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { test("file input stream") { // Disable manual clock as FileInputDStream does not work with manual clock - System.clearProperty("spark.streaming.clock") + conf.set("spark.streaming.clock", "org.apache.spark.streaming.util.SystemClock") // Set up the streaming context and input streams val testDir = Files.createTempDir() - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val fileStream = ssc.textFileStream(testDir.toString) val outputBuffer = new ArrayBuffer[Seq[String]] with SynchronizedBuffer[Seq[String]] def output = outputBuffer.flatMap(x => x) @@ -195,7 +195,7 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { FileUtils.deleteDirectory(testDir) // Enable manual clock back again for other tests - System.setProperty("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") + conf.set("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") } @@ -206,7 +206,7 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { testServer.start() // Set up the streaming context and input streams - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val networkStream = ssc.actorStream[String](Props(new TestActor(port)), "TestActor", StorageLevel.MEMORY_AND_DISK) //Had to pass the local value of port to prevent from closing over entire scope val outputBuffer = new ArrayBuffer[Seq[String]] with SynchronizedBuffer[Seq[String]] @@ -250,7 +250,7 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { } test("kafka input stream") { - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val topics = Map("my-topic" -> 1) val test1 = ssc.kafkaStream("localhost:12345", "group", topics) val test2 = ssc.kafkaStream("localhost:12345", "group", topics, StorageLevel.MEMORY_AND_DISK) @@ -273,7 +273,7 @@ class InputStreamsSuite extends TestSuiteBase with BeforeAndAfter { MultiThreadTestReceiver.haveAllThreadsFinished = false // set up the network stream using the test receiver - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(new SparkContext(conf), batchDuration) val networkStream = ssc.networkStream[Int](testReceiver) val countStream = networkStream.count val outputBuffer = new ArrayBuffer[Seq[Long]] with SynchronizedBuffer[Seq[Long]] diff --git a/streaming/src/test/scala/org/apache/spark/streaming/TestSuiteBase.scala b/streaming/src/test/scala/org/apache/spark/streaming/TestSuiteBase.scala index e969e91d13..33464bc3a1 100644 --- a/streaming/src/test/scala/org/apache/spark/streaming/TestSuiteBase.scala +++ b/streaming/src/test/scala/org/apache/spark/streaming/TestSuiteBase.scala @@ -28,7 +28,7 @@ import java.io.{ObjectInputStream, IOException} import org.scalatest.{BeforeAndAfter, FunSuite} -import org.apache.spark.Logging +import org.apache.spark.{SparkContext, SparkConf, Logging} import org.apache.spark.rdd.RDD /** @@ -133,20 +133,26 @@ trait TestSuiteBase extends FunSuite with BeforeAndAfter with Logging { // Whether to actually wait in real time before changing manual clock def actuallyWait = false + //// A SparkConf to use in tests. Can be modified before calling setupStreams to configure things. + val conf = new SparkConf() + .setMaster(master) + .setAppName(framework) + .set("spark.cleaner.ttl", "3600") + // Default before function for any streaming test suite. Override this // if you want to add your stuff to "before" (i.e., don't call before { } ) def beforeFunction() { + //if (useManualClock) { + // System.setProperty( + // "spark.streaming.clock", + // "org.apache.spark.streaming.util.ManualClock" + // ) + //} else { + // System.clearProperty("spark.streaming.clock") + //} if (useManualClock) { - System.setProperty( - "spark.streaming.clock", - "org.apache.spark.streaming.util.ManualClock" - ) - } else { - System.clearProperty("spark.streaming.clock") + conf.set("spark.streaming.clock", "org.apache.spark.streaming.util.ManualClock") } - // To avoid Akka rebinding to the same port, since it doesn't unbind immediately on shutdown - System.clearProperty("spark.driver.port") - System.clearProperty("spark.hostPort") } // Default after function for any streaming test suite. Override this @@ -169,9 +175,9 @@ trait TestSuiteBase extends FunSuite with BeforeAndAfter with Logging { operation: DStream[U] => DStream[V], numPartitions: Int = numInputPartitions ): StreamingContext = { - + val sc = new SparkContext(conf) // Create StreamingContext - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(sc, batchDuration) if (checkpointDir != null) { ssc.checkpoint(checkpointDir) } @@ -195,9 +201,9 @@ trait TestSuiteBase extends FunSuite with BeforeAndAfter with Logging { input2: Seq[Seq[V]], operation: (DStream[U], DStream[V]) => DStream[W] ): StreamingContext = { - + val sc = new SparkContext(conf) // Create StreamingContext - val ssc = new StreamingContext(master, framework, batchDuration) + val ssc = new StreamingContext(sc, batchDuration) if (checkpointDir != null) { ssc.checkpoint(checkpointDir) } diff --git a/streaming/src/test/scala/org/apache/spark/streaming/WindowOperationsSuite.scala b/streaming/src/test/scala/org/apache/spark/streaming/WindowOperationsSuite.scala index 6b4aaefcdf..c39abfc21b 100644 --- a/streaming/src/test/scala/org/apache/spark/streaming/WindowOperationsSuite.scala +++ b/streaming/src/test/scala/org/apache/spark/streaming/WindowOperationsSuite.scala @@ -18,7 +18,6 @@ package org.apache.spark.streaming import org.apache.spark.streaming.StreamingContext._ -import collection.mutable.ArrayBuffer class WindowOperationsSuite extends TestSuiteBase { @@ -225,9 +224,7 @@ class WindowOperationsSuite extends TestSuiteBase { val slideDuration = Seconds(1) val numBatches = expectedOutput.size * (slideDuration / batchDuration).toInt val operation = (s: DStream[(String, Int)]) => { - s.groupByKeyAndWindow(windowDuration, slideDuration) - .map(x => (x._1, x._2.toSet)) - .persist() + s.groupByKeyAndWindow(windowDuration, slideDuration).map(x => (x._1, x._2.toSet)) } testOperation(input, operation, expectedOutput, numBatches, true) } diff --git a/yarn/README.md b/yarn/README.md new file mode 100644 index 0000000000..65ee85447e --- /dev/null +++ b/yarn/README.md @@ -0,0 +1,12 @@ +# YARN DIRECTORY LAYOUT + +Hadoop Yarn related codes are organized in separate directories to minimize duplicated code. + + * common : Common codes that do not depending on specific version of Hadoop. + + * alpha / stable : Codes that involve specific version of Hadoop YARN API. + + alpha represents 0.23 and 2.0.x + stable represents 2.2 and later, until the API changes again. + +alpha / stable will build together with common dir into a single jar diff --git a/yarn/alpha/pom.xml b/yarn/alpha/pom.xml new file mode 100644 index 0000000000..8291e9e7a3 --- /dev/null +++ b/yarn/alpha/pom.xml @@ -0,0 +1,32 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + ~ Licensed to the Apache Software Foundation (ASF) under one or more + ~ contributor license agreements. See the NOTICE file distributed with + ~ this work for additional information regarding copyright ownership. + ~ The ASF licenses this file to You under the Apache License, Version 2.0 + ~ (the "License"); you may not use this file except in compliance with + ~ the License. You may obtain a copy of the License at + ~ + ~ http://www.apache.org/licenses/LICENSE-2.0 + ~ + ~ Unless required by applicable law or agreed to in writing, software + ~ distributed under the License is distributed on an "AS IS" BASIS, + ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + ~ See the License for the specific language governing permissions and + ~ limitations under the License. + --> +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.spark</groupId> + <artifactId>yarn-parent_2.10</artifactId> + <version>0.9.0-incubating-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <groupId>org.apache.spark</groupId> + <artifactId>spark-yarn-alpha_2.10</artifactId> + <packaging>jar</packaging> + <name>Spark Project YARN Alpha API</name> + +</project> diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala index 240ed8b32a..2bb11e54c5 100644 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala +++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala @@ -36,15 +36,18 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{ConverterUtils, Records} -import org.apache.spark.{SparkContext, Logging} +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.util.Utils +class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration, + sparkConf: SparkConf) extends Logging { -class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) extends Logging { + def this(args: ApplicationMasterArguments, sparkConf: SparkConf) = + this(args, new Configuration(), sparkConf) - def this(args: ApplicationMasterArguments) = this(args, new Configuration()) - - private var rpc: YarnRPC = YarnRPC.create(conf) + def this(args: ApplicationMasterArguments) = this(args, new SparkConf()) + + private val rpc: YarnRPC = YarnRPC.create(conf) private var resourceManager: AMRMProtocol = _ private var appAttemptId: ApplicationAttemptId = _ private var userThread: Thread = _ @@ -57,18 +60,23 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e private val maxAppAttempts: Int = conf.getInt(YarnConfiguration.RM_AM_MAX_RETRIES, YarnConfiguration.DEFAULT_RM_AM_MAX_RETRIES) private var isLastAMRetry: Boolean = true - // default to numWorkers * 2, with minimum of 3 - private val maxNumWorkerFailures = System.getProperty("spark.yarn.max.worker.failures", - math.max(args.numWorkers * 2, 3).toString()).toInt + + // Default to numWorkers * 2, with minimum of 3 + private val maxNumWorkerFailures = sparkConf.getInt("spark.yarn.max.worker.failures", + math.max(args.numWorkers * 2, 3)) def run() { // Setup the directories so things go to yarn approved directories rather // then user specified and /tmp. System.setProperty("spark.local.dir", getLocalDirs()) + // set the web ui port to be ephemeral for yarn so we don't conflict with + // other spark processes running on the same box + System.setProperty("spark.ui.port", "0") + // Use priority 30 as its higher then HDFS. Its same priority as MapReduce is using. ShutdownHookManager.get().addShutdownHook(new AppMasterShutdownHook(this), 30) - + appAttemptId = getApplicationAttemptId() isLastAMRetry = appAttemptId.getAttemptId() >= maxAppAttempts resourceManager = registerWithResourceManager() @@ -92,24 +100,22 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // } //} // org.apache.hadoop.io.compress.CompressionCodecFactory.getCodecClasses(conf) - + ApplicationMaster.register(this) // Start the user's JAR userThread = startUserClass() - + // This a bit hacky, but we need to wait until the spark.driver.port property has // been set by the Thread executing the user class. - waitForSparkMaster() - waitForSparkContextInitialized() // Do this after spark master is up and SparkContext is created so that we can register UI Url val appMasterResponse: RegisterApplicationMasterResponse = registerApplicationMaster() - + // Allocate all containers allocateWorkers() - - // Wait for the user class to Finish + + // Wait for the user class to Finish userThread.join() System.exit(0) @@ -122,14 +128,14 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // LOCAL_DIRS => 2.X, YARN_LOCAL_DIRS => 0.23.X val localDirs = Option(System.getenv("YARN_LOCAL_DIRS")) .getOrElse(Option(System.getenv("LOCAL_DIRS")) - .getOrElse("")) + .getOrElse("")) if (localDirs.isEmpty()) { throw new Exception("Yarn Local dirs can't be empty") } localDirs } - + private def getApplicationAttemptId(): ApplicationAttemptId = { val envs = System.getenv() val containerIdString = envs.get(ApplicationConstants.AM_CONTAINER_ID_ENV) @@ -138,7 +144,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e logInfo("ApplicationAttemptId: " + appAttemptId) appAttemptId } - + private def registerWithResourceManager(): AMRMProtocol = { val rmAddress = NetUtils.createSocketAddr(yarnConf.get( YarnConfiguration.RM_SCHEDULER_ADDRESS, @@ -146,50 +152,26 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e logInfo("Connecting to ResourceManager at " + rmAddress) rpc.getProxy(classOf[AMRMProtocol], rmAddress, conf).asInstanceOf[AMRMProtocol] } - + private def registerApplicationMaster(): RegisterApplicationMasterResponse = { logInfo("Registering the ApplicationMaster") val appMasterRequest = Records.newRecord(classOf[RegisterApplicationMasterRequest]) .asInstanceOf[RegisterApplicationMasterRequest] appMasterRequest.setApplicationAttemptId(appAttemptId) // Setting this to master host,port - so that the ApplicationReport at client has some - // sensible info. + // sensible info. // Users can then monitor stderr/stdout on that node if required. appMasterRequest.setHost(Utils.localHostName()) appMasterRequest.setRpcPort(0) appMasterRequest.setTrackingUrl(uiAddress) resourceManager.registerApplicationMaster(appMasterRequest) } - - private def waitForSparkMaster() { - logInfo("Waiting for spark driver to be reachable.") - var driverUp = false - var tries = 0 - val numTries = System.getProperty("spark.yarn.applicationMaster.waitTries", "10").toInt - while(!driverUp && tries < numTries) { - val driverHost = System.getProperty("spark.driver.host") - val driverPort = System.getProperty("spark.driver.port") - try { - val socket = new Socket(driverHost, driverPort.toInt) - socket.close() - logInfo("Driver now available: %s:%s".format(driverHost, driverPort)) - driverUp = true - } catch { - case e: Exception => { - logWarning("Failed to connect to driver at %s:%s, retrying ...". - format(driverHost, driverPort)) - Thread.sleep(100) - tries = tries + 1 - } - } - } - } - private def startUserClass(): Thread = { + private def startUserClass(): Thread = { logInfo("Starting the user JAR in a separate Thread") val mainMethod = Class.forName( args.userClass, - false /* initialize */, + false /* initialize */ , Thread.currentThread.getContextClassLoader).getMethod("main", classOf[Array[String]]) val t = new Thread { override def run() { @@ -226,7 +208,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e ApplicationMaster.sparkContextRef.synchronized { var count = 0 val waitTime = 10000L - val numTries = System.getProperty("spark.yarn.ApplicationMaster.waitTries", "10").toInt + val numTries = sparkConf.getInt("spark.yarn.ApplicationMaster.waitTries", 10) while (ApplicationMaster.sparkContextRef.get() == null && count < numTries) { logInfo("Waiting for spark context initialization ... " + count) count = count + 1 @@ -241,8 +223,9 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e yarnConf, resourceManager, appAttemptId, - args, - sparkContext.preferredNodeLocationData) + args, + sparkContext.preferredNodeLocationData, + sparkContext.getConf) } else { logWarning("Unable to retrieve sparkContext inspite of waiting for %d, numTries = %d". format(count * waitTime, numTries)) @@ -250,7 +233,8 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e yarnConf, resourceManager, appAttemptId, - args) + args, + sparkContext.getConf) } } } finally { @@ -294,7 +278,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // we want to be reasonably responsive without causing too many requests to RM. val schedulerInterval = - System.getProperty("spark.yarn.scheduler.heartbeat.interval-ms", "5000").toLong + sparkConf.getLong("spark.yarn.scheduler.heartbeat.interval-ms", 5000) // must be <= timeoutInterval / 2. val interval = math.min(timeoutInterval / 2, schedulerInterval) @@ -304,7 +288,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e } private def launchReporterThread(_sleepTime: Long): Thread = { - val sleepTime = if (_sleepTime <= 0 ) 0 else _sleepTime + val sleepTime = if (_sleepTime <= 0) 0 else _sleepTime val t = new Thread { override def run() { @@ -342,11 +326,11 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e for (container <- containers) { logInfo("Launching shell command on a new container." + ", containerId=" + container.getId() - + ", containerNode=" + container.getNodeId().getHost() + + ", containerNode=" + container.getNodeId().getHost() + ":" + container.getNodeId().getPort() + ", containerNodeURI=" + container.getNodeHttpAddress() + ", containerState" + container.getState() - + ", containerResourceMemory" + + ", containerResourceMemory" + container.getResource().getMemory()) } } @@ -372,12 +356,12 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e } /** - * Clean up the staging directory. + * Clean up the staging directory. */ - private def cleanupStagingDir() { + private def cleanupStagingDir() { var stagingDirPath: Path = null try { - val preserveFiles = System.getProperty("spark.yarn.preserve.staging.files", "false").toBoolean + val preserveFiles = sparkConf.get("spark.yarn.preserve.staging.files", "false").toBoolean if (!preserveFiles) { stagingDirPath = new Path(System.getenv("SPARK_YARN_STAGING_DIR")) if (stagingDirPath == null) { @@ -393,7 +377,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e } } - // The shutdown hook that runs when a signal is received AND during normal close of the JVM. + // The shutdown hook that runs when a signal is received AND during normal close of the JVM. class AppMasterShutdownHook(appMaster: ApplicationMaster) extends Runnable { def run() { @@ -403,6 +387,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e if (appMaster.isLastAMRetry) appMaster.cleanupStagingDir() } } + } object ApplicationMaster { @@ -412,6 +397,7 @@ object ApplicationMaster { // TODO: Currently, task to container is computed once (TaskSetManager) - which need not be // optimal as more containers are available. Might need to handle this better. private val ALLOCATOR_LOOP_WAIT_COUNT = 30 + def incrementAllocatorLoop(by: Int) { val count = yarnAllocatorLoop.getAndAdd(by) if (count >= ALLOCATOR_LOOP_WAIT_COUNT) { @@ -446,19 +432,20 @@ object ApplicationMaster { // Note that this will unfortunately not properly clean up the staging files because it gets // called too late, after the filesystem is already shutdown. if (modified) { - Runtime.getRuntime().addShutdownHook(new Thread with Logging { + Runtime.getRuntime().addShutdownHook(new Thread with Logging { // This is not only logs, but also ensures that log system is initialized for this instance // when we are actually 'run'-ing. logInfo("Adding shutdown hook for context " + sc) - override def run() { - logInfo("Invoking sc stop from shutdown hook") - sc.stop() + + override def run() { + logInfo("Invoking sc stop from shutdown hook") + sc.stop() // Best case ... for (master <- applicationMasters) { master.finishApplicationMaster(FinalApplicationStatus.SUCCEEDED) } - } - } ) + } + }) } // Wait for initialization to complete and atleast 'some' nodes can get allocated. diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/Client.scala index 79dd038065..6abb4d5017 100644 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala +++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/Client.scala @@ -40,14 +40,18 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{Apps, Records} -import org.apache.spark.Logging +import org.apache.spark.{Logging, SparkConf} import org.apache.spark.util.Utils import org.apache.spark.deploy.SparkHadoopUtil -class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl with Logging { +class Client(args: ClientArguments, conf: Configuration, sparkConf: SparkConf) + extends YarnClientImpl with Logging { - def this(args: ClientArguments) = this(new Configuration(), args) + def this(args: ClientArguments, sparkConf: SparkConf) = + this(args, new Configuration(), sparkConf) + + def this(args: ClientArguments) = this(args, new SparkConf()) var rpc: YarnRPC = YarnRPC.create(conf) val yarnConf: YarnConfiguration = new YarnConfiguration(conf) @@ -59,7 +63,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val STAGING_DIR_PERMISSION: FsPermission = FsPermission.createImmutable(0700:Short) // App files are world-wide readable and owner writable -> rw-r--r-- - val APP_FILE_PERMISSION: FsPermission = FsPermission.createImmutable(0644:Short) + val APP_FILE_PERMISSION: FsPermission = FsPermission.createImmutable(0644:Short) // for client user who want to monitor app status by itself. def runApp() = { @@ -103,7 +107,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl "greater than: " + YarnAllocationHandler.MEMORY_OVERHEAD), (args.workerMemory <= YarnAllocationHandler.MEMORY_OVERHEAD) -> ("Error: Worker memory size " + "must be greater than: " + YarnAllocationHandler.MEMORY_OVERHEAD) - ).foreach { case(cond, errStr) => + ).foreach { case(cond, errStr) => if (cond) { logError(errStr) args.printUsageAndExit(1) @@ -121,7 +125,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl clusterMetrics.getNumNodeManagers) val queueInfo: QueueInfo = super.getQueueInfo(args.amQueue) - logInfo("""Queue info ... queueName = %s, queueCurrentCapacity = %s, queueMaxCapacity = %s, + logInfo( """Queue info ... queueName = %s, queueCurrentCapacity = %s, queueMaxCapacity = %s, queueApplicationCount = %s, queueChildQueueCount = %s""".format( queueInfo.getQueueName, queueInfo.getCurrentCapacity, @@ -130,7 +134,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl queueInfo.getChildQueues.size)) } - def verifyClusterResources(app: GetNewApplicationResponse) = { + def verifyClusterResources(app: GetNewApplicationResponse) = { val maxMem = app.getMaximumResourceCapability().getMemory() logInfo("Max mem capabililty of a single resource in this cluster " + maxMem) @@ -141,12 +145,12 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } val amMem = args.amMemory + YarnAllocationHandler.MEMORY_OVERHEAD if (amMem > maxMem) { - logError("AM size is to large to run on this cluster " + amMem) + logError("AM size is to large to run on this cluster " + amMem) System.exit(1) } // We could add checks to make sure the entire cluster has enough resources but that involves - // getting all the node reports and computing ourselves + // getting all the node reports and computing ourselves } def createApplicationSubmissionContext(appId: ApplicationId): ApplicationSubmissionContext = { @@ -207,7 +211,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl FileUtil.copy(remoteFs, originalPath, fs, newPath, false, conf) fs.setReplication(newPath, replication) if (setPerms) fs.setPermission(newPath, new FsPermission(APP_FILE_PERMISSION)) - } + } // Resolve any symlinks in the URI path so using a "current" symlink to point to a specific // version shows the specific version in the distributed cache configuration val qualPath = fs.makeQualified(newPath) @@ -230,7 +234,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } } val dst = new Path(fs.getHomeDirectory(), appStagingDir) - val replication = System.getProperty("spark.yarn.submit.file.replication", "3").toShort + val replication = sparkConf.getInt("spark.yarn.submit.file.replication", 3).toShort if (UserGroupInformation.isSecurityEnabled()) { val dstFs = dst.getFileSystem(conf) @@ -241,7 +245,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - Map(Client.SPARK_JAR -> System.getenv("SPARK_JAR"), Client.APP_JAR -> args.userJar, + Map(Client.SPARK_JAR -> System.getenv("SPARK_JAR"), Client.APP_JAR -> args.userJar, Client.LOG4J_PROP -> System.getenv("SPARK_LOG4J_CONF")) .foreach { case(destName, _localPath) => val localPath: String = if (_localPath != null) _localPath.trim() else "" @@ -253,7 +257,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } val setPermissions = if (destName.equals(Client.APP_JAR)) true else false val destPath = copyRemoteFile(dst, new Path(localURI), replication, setPermissions) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, destName, statCache) } } @@ -265,7 +269,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val localPath = new Path(localURI) val linkname = Option(localURI.getFragment()).getOrElse(localPath.getName()) val destPath = copyRemoteFile(dst, localPath, replication) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, linkname, statCache, true) } } @@ -277,7 +281,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val localPath = new Path(localURI) val linkname = Option(localURI.getFragment()).getOrElse(localPath.getName()) val destPath = copyRemoteFile(dst, localPath, replication) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, linkname, statCache) } } @@ -289,7 +293,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val localPath = new Path(localURI) val linkname = Option(localURI.getFragment()).getOrElse(localPath.getName()) val destPath = copyRemoteFile(dst, localPath, replication) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, linkname, statCache) } } @@ -299,14 +303,14 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } def setupLaunchEnv( - localResources: HashMap[String, LocalResource], + localResources: HashMap[String, LocalResource], stagingDir: String): HashMap[String, String] = { logInfo("Setting up the launch environment") val log4jConfLocalRes = localResources.getOrElse(Client.LOG4J_PROP, null) val env = new HashMap[String, String]() - Client.populateClasspath(yarnConf, log4jConfLocalRes != null, env) + Client.populateClasspath(yarnConf, sparkConf, log4jConfLocalRes != null, env) env("SPARK_YARN_MODE") = "true" env("SPARK_YARN_STAGING_DIR") = stagingDir @@ -326,7 +330,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val prefix = " --args " val args = clientArgs.userArgs val retval = new StringBuilder() - for (arg <- args){ + for (arg <- args) { retval.append(prefix).append(" '").append(arg).append("' ") } retval.toString @@ -354,7 +358,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl // Add Xmx for am memory JAVA_OPTS += "-Xmx" + amMemory + "m " - JAVA_OPTS += " -Djava.io.tmpdir=" + + JAVA_OPTS += " -Djava.io.tmpdir=" + new Path(Environment.PWD.$(), YarnConfiguration.DEFAULT_CONTAINER_TEMP_DIR) + " " // Commenting it out for now - so that people can refer to the properties if required. Remove @@ -387,11 +391,11 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl javaCommand = Environment.JAVA_HOME.$() + "/bin/java" } - val commands = List[String](javaCommand + + val commands = List[String](javaCommand + " -server " + JAVA_OPTS + " " + args.amClass + - " --class " + args.userClass + + " --class " + args.userClass + " --jar " + args.userJar + userArgsToString(args) + " --worker-memory " + args.workerMemory + @@ -421,9 +425,11 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl super.submitApplication(appContext) } - def monitorApplication(appId: ApplicationId): Boolean = { + def monitorApplication(appId: ApplicationId): Boolean = { + val interval = sparkConf.getLong("spark.yarn.report.interval", 1000) + while (true) { - Thread.sleep(1000) + Thread.sleep(interval) val report = super.getApplicationReport(appId) logInfo("Application report from ASM: \n" + @@ -443,7 +449,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val state = report.getYarnApplicationState() val dsStatus = report.getFinalApplicationStatus() - if (state == YarnApplicationState.FINISHED || + if (state == YarnApplicationState.FINISHED || state == YarnApplicationState.FAILED || state == YarnApplicationState.KILLED) { return true @@ -463,9 +469,10 @@ object Client { // Note that anything with SPARK prefix gets propagated to all (remote) processes System.setProperty("SPARK_YARN_MODE", "true") - val args = new ClientArguments(argStrings) + val sparkConf = new SparkConf + val args = new ClientArguments(argStrings, sparkConf) - new Client(args).run + new Client(args, sparkConf).run } // Based on code from org.apache.hadoop.mapreduce.v2.util.MRApps @@ -475,29 +482,28 @@ object Client { } } - def populateClasspath(conf: Configuration, addLog4j: Boolean, env: HashMap[String, String]) { + def populateClasspath(conf: Configuration, sparkConf: SparkConf, addLog4j: Boolean, env: HashMap[String, String]) { Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$()) // If log4j present, ensure ours overrides all others if (addLog4j) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + LOG4J_PROP) } // Normally the users app.jar is last in case conflicts with spark jars - val userClasspathFirst = System.getProperty("spark.yarn.user.classpath.first", "false") - .toBoolean + val userClasspathFirst = sparkConf.get("spark.yarn.user.classpath.first", "false").toBoolean if (userClasspathFirst) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + APP_JAR) } - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + SPARK_JAR) Client.populateHadoopClasspath(conf, env) if (!userClasspathFirst) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + APP_JAR) } - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + "*") } } diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala index 69038844bb..ddfec1a4ac 100644 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala +++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala @@ -29,36 +29,41 @@ import org.apache.hadoop.yarn.util.{ConverterUtils, Records} import akka.actor._ import akka.remote._ import akka.actor.Terminated -import org.apache.spark.{SparkContext, Logging} +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.util.{Utils, AkkaUtils} import org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend import org.apache.spark.scheduler.SplitInfo -class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) extends Logging { +class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration, sparkConf: SparkConf) + extends Logging { - def this(args: ApplicationMasterArguments) = this(args, new Configuration()) + def this(args: ApplicationMasterArguments, sparkConf: SparkConf) = this(args, new Configuration(), sparkConf) + + def this(args: ApplicationMasterArguments) = this(args, new SparkConf()) private val rpc: YarnRPC = YarnRPC.create(conf) - private var resourceManager: AMRMProtocol = null - private var appAttemptId: ApplicationAttemptId = null - private var reporterThread: Thread = null + private var resourceManager: AMRMProtocol = _ + private var appAttemptId: ApplicationAttemptId = _ + private var reporterThread: Thread = _ private val yarnConf: YarnConfiguration = new YarnConfiguration(conf) - private var yarnAllocator: YarnAllocationHandler = null + private var yarnAllocator: YarnAllocationHandler = _ private var driverClosed:Boolean = false - val actorSystem : ActorSystem = AkkaUtils.createActorSystem("sparkYarnAM", Utils.localHostName, 0)._1 - var actor: ActorRef = null + val actorSystem : ActorSystem = AkkaUtils.createActorSystem("sparkYarnAM", Utils.localHostName, 0, + conf = sparkConf)._1 + var actor: ActorRef = _ // This actor just working as a monitor to watch on Driver Actor. class MonitorActor(driverUrl: String) extends Actor { - var driver: ActorSelection = null + var driver: ActorSelection = _ override def preStart() { logInfo("Listen to driver: " + driverUrl) driver = context.actorSelection(driverUrl) - driver ! "hello" + // Send a hello message thus the connection is actually established, thus we can monitor Lifecycle Events. + driver ! "Hello" context.system.eventStream.subscribe(self, classOf[RemotingLifecycleEvent]) } @@ -162,8 +167,8 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte Thread.sleep(100) } } - System.setProperty("spark.driver.host", driverHost) - System.setProperty("spark.driver.port", driverPort.toString) + sparkConf.set("spark.driver.host", driverHost) + sparkConf.set("spark.driver.port", driverPort.toString) val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( driverHost, driverPort.toString, CoarseGrainedSchedulerBackend.ACTOR_NAME) @@ -175,9 +180,11 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte private def allocateWorkers() { // Fixme: should get preferredNodeLocationData from SparkContext, just fake a empty one for now. - val preferredNodeLocationData: scala.collection.Map[String, scala.collection.Set[SplitInfo]] = scala.collection.immutable.Map() + val preferredNodeLocationData: scala.collection.Map[String, scala.collection.Set[SplitInfo]] = + scala.collection.immutable.Map() - yarnAllocator = YarnAllocationHandler.newAllocator(yarnConf, resourceManager, appAttemptId, args, preferredNodeLocationData) + yarnAllocator = YarnAllocationHandler.newAllocator(yarnConf, resourceManager, appAttemptId, + args, preferredNodeLocationData, sparkConf) logInfo("Allocating " + args.numWorkers + " workers.") // Wait until all containers have finished diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala index 6a90cc51cf..132630e5ef 100644 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala +++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala @@ -37,12 +37,13 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{Apps, ConverterUtils, Records, ProtoUtils} -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} class WorkerRunnable( container: Container, conf: Configuration, + sparkConf: SparkConf, masterAddress: String, slaveId: String, hostname: String, @@ -51,7 +52,7 @@ class WorkerRunnable( extends Runnable with Logging { var rpc: YarnRPC = YarnRPC.create(conf) - var cm: ContainerManager = null + var cm: ContainerManager = _ val yarnConf: YarnConfiguration = new YarnConfiguration(conf) def run = { @@ -200,7 +201,7 @@ class WorkerRunnable( def prepareEnvironment: HashMap[String, String] = { val env = new HashMap[String, String]() - Client.populateClasspath(yarnConf, System.getenv("SPARK_YARN_LOG4J_PATH") != null, env) + Client.populateClasspath(yarnConf, sparkConf, System.getenv("SPARK_YARN_LOG4J_PATH") != null, env) // Allow users to specify some environment variables Apps.setEnvFromInputString(env, System.getenv("SPARK_YARN_USER_ENV")) diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala index 9ab2073529..e91257be8e 100644 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala +++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala @@ -26,9 +26,9 @@ import scala.collection import scala.collection.JavaConversions._ import scala.collection.mutable.{ArrayBuffer, HashMap, HashSet} -import org.apache.spark.Logging -import org.apache.spark.scheduler.SplitInfo -import org.apache.spark.scheduler.cluster.{ClusterScheduler, CoarseGrainedSchedulerBackend} +import org.apache.spark.{Logging, SparkConf} +import org.apache.spark.scheduler.{SplitInfo,TaskSchedulerImpl} +import org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend import org.apache.spark.util.Utils import org.apache.hadoop.conf.Configuration @@ -62,7 +62,8 @@ private[yarn] class YarnAllocationHandler( val workerMemory: Int, val workerCores: Int, val preferredHostToCount: Map[String, Int], - val preferredRackToCount: Map[String, Int]) + val preferredRackToCount: Map[String, Int], + val sparkConf: SparkConf) extends Logging { // These three are locked on allocatedHostToContainersMap. Complementary data structures // allocatedHostToContainersMap : containers which are running : host, Set<containerid> @@ -214,9 +215,9 @@ private[yarn] class YarnAllocationHandler( // host if there are sufficiently large number of hosts/containers. val allocatedContainers = new ArrayBuffer[Container](_allocatedContainers.size) - allocatedContainers ++= ClusterScheduler.prioritizeContainers(dataLocalContainers) - allocatedContainers ++= ClusterScheduler.prioritizeContainers(rackLocalContainers) - allocatedContainers ++= ClusterScheduler.prioritizeContainers(offRackContainers) + allocatedContainers ++= TaskSchedulerImpl.prioritizeContainers(dataLocalContainers) + allocatedContainers ++= TaskSchedulerImpl.prioritizeContainers(rackLocalContainers) + allocatedContainers ++= TaskSchedulerImpl.prioritizeContainers(offRackContainers) // Run each of the allocated containers for (container <- allocatedContainers) { @@ -239,7 +240,7 @@ private[yarn] class YarnAllocationHandler( // (workerIdCounter) val workerId = workerIdCounter.incrementAndGet().toString val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( - System.getProperty("spark.driver.host"), System.getProperty("spark.driver.port"), + sparkConf.get("spark.driver.host"), sparkConf.get("spark.driver.port"), CoarseGrainedSchedulerBackend.ACTOR_NAME) logInfo("launching container on " + containerId + " host " + workerHostname) @@ -260,7 +261,7 @@ private[yarn] class YarnAllocationHandler( } new Thread( - new WorkerRunnable(container, conf, driverUrl, workerId, + new WorkerRunnable(container, conf, sparkConf, driverUrl, workerId, workerHostname, workerMemory, workerCores) ).start() } @@ -552,7 +553,8 @@ object YarnAllocationHandler { conf: Configuration, resourceManager: AMRMProtocol, appAttemptId: ApplicationAttemptId, - args: ApplicationMasterArguments): YarnAllocationHandler = { + args: ApplicationMasterArguments, + sparkConf: SparkConf): YarnAllocationHandler = { new YarnAllocationHandler( conf, @@ -562,7 +564,8 @@ object YarnAllocationHandler { args.workerMemory, args.workerCores, Map[String, Int](), - Map[String, Int]()) + Map[String, Int](), + sparkConf) } def newAllocator( @@ -571,7 +574,8 @@ object YarnAllocationHandler { appAttemptId: ApplicationAttemptId, args: ApplicationMasterArguments, map: collection.Map[String, - collection.Set[SplitInfo]]): YarnAllocationHandler = { + collection.Set[SplitInfo]], + sparkConf: SparkConf): YarnAllocationHandler = { val (hostToCount, rackToCount) = generateNodeToWeight(conf, map) new YarnAllocationHandler( @@ -582,7 +586,8 @@ object YarnAllocationHandler { args.workerMemory, args.workerCores, hostToCount, - rackToCount) + rackToCount, + sparkConf) } def newAllocator( @@ -592,7 +597,8 @@ object YarnAllocationHandler { maxWorkers: Int, workerMemory: Int, workerCores: Int, - map: collection.Map[String, collection.Set[SplitInfo]]): YarnAllocationHandler = { + map: collection.Map[String, collection.Set[SplitInfo]], + sparkConf: SparkConf): YarnAllocationHandler = { val (hostToCount, rackToCount) = generateNodeToWeight(conf, map) @@ -604,7 +610,8 @@ object YarnAllocationHandler { workerMemory, workerCores, hostToCount, - rackToCount) + rackToCount, + sparkConf) } // A simple method to copy the split info map. diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala index f76a5ddd39..f76a5ddd39 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala +++ b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala index 70be15d0a3..1419f215c7 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala +++ b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala @@ -19,13 +19,14 @@ package org.apache.spark.deploy.yarn import scala.collection.mutable.{ArrayBuffer, HashMap} +import org.apache.spark.SparkConf import org.apache.spark.scheduler.{InputFormatInfo, SplitInfo} import org.apache.spark.util.IntParam import org.apache.spark.util.MemoryParam // TODO: Add code and support for ensuring that yarn resource 'tasks' are location aware ! -class ClientArguments(val args: Array[String]) { +class ClientArguments(val args: Array[String], val sparkConf: SparkConf) { var addJars: String = null var files: String = null var archives: String = null @@ -35,7 +36,7 @@ class ClientArguments(val args: Array[String]) { var workerMemory = 1024 // MB var workerCores = 1 var numWorkers = 2 - var amQueue = System.getProperty("QUEUE", "default") + var amQueue = sparkConf.get("QUEUE", "default") var amMemory: Int = 512 // MB var amClass: String = "org.apache.spark.deploy.yarn.ApplicationMaster" var appName: String = "Spark" diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala index 5f159b073f..5f159b073f 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala +++ b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala index 2ba2366ead..2ba2366ead 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala +++ b/yarn/common/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala diff --git a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala index 63a0449e5a..522e0a9ad7 100644 --- a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala +++ b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientClusterScheduler.scala @@ -20,13 +20,14 @@ package org.apache.spark.scheduler.cluster import org.apache.spark._ import org.apache.hadoop.conf.Configuration import org.apache.spark.deploy.yarn.YarnAllocationHandler +import org.apache.spark.scheduler.TaskSchedulerImpl import org.apache.spark.util.Utils /** * * This scheduler launch worker through Yarn - by call into Client to launch WorkerLauncher as AM. */ -private[spark] class YarnClientClusterScheduler(sc: SparkContext, conf: Configuration) extends ClusterScheduler(sc) { +private[spark] class YarnClientClusterScheduler(sc: SparkContext, conf: Configuration) extends TaskSchedulerImpl(sc) { def this(sc: SparkContext) = this(sc, new Configuration()) diff --git a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala index b206780c78..324ef4616f 100644 --- a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala +++ b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClientSchedulerBackend.scala @@ -20,9 +20,10 @@ package org.apache.spark.scheduler.cluster import org.apache.hadoop.yarn.api.records.{ApplicationId, YarnApplicationState} import org.apache.spark.{SparkException, Logging, SparkContext} import org.apache.spark.deploy.yarn.{Client, ClientArguments} +import org.apache.spark.scheduler.TaskSchedulerImpl private[spark] class YarnClientSchedulerBackend( - scheduler: ClusterScheduler, + scheduler: TaskSchedulerImpl, sc: SparkContext) extends CoarseGrainedSchedulerBackend(scheduler, sc.env.actorSystem) with Logging { @@ -52,8 +53,8 @@ private[spark] class YarnClientSchedulerBackend( if (workerNumber == null) workerNumber = defaultWorkerNumber - val driverHost = System.getProperty("spark.driver.host") - val driverPort = System.getProperty("spark.driver.port") + val driverHost = conf.get("spark.driver.host") + val driverPort = conf.get("spark.driver.port") val hostport = driverHost + ":" + driverPort val argsArray = Array[String]( @@ -66,8 +67,8 @@ private[spark] class YarnClientSchedulerBackend( "--master-class", "org.apache.spark.deploy.yarn.WorkerLauncher" ) - val args = new ClientArguments(argsArray) - client = new Client(args) + val args = new ClientArguments(argsArray, conf) + client = new Client(args, conf) appId = client.runApp() waitForApp() } diff --git a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala index 29b3f22e13..a4638cc863 100644 --- a/new-yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala +++ b/yarn/common/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala @@ -19,6 +19,7 @@ package org.apache.spark.scheduler.cluster import org.apache.spark._ import org.apache.spark.deploy.yarn.{ApplicationMaster, YarnAllocationHandler} +import org.apache.spark.scheduler.TaskSchedulerImpl import org.apache.spark.util.Utils import org.apache.hadoop.conf.Configuration @@ -26,7 +27,7 @@ import org.apache.hadoop.conf.Configuration * * This is a simple extension to ClusterScheduler - to ensure that appropriate initialization of ApplicationMaster, etc is done */ -private[spark] class YarnClusterScheduler(sc: SparkContext, conf: Configuration) extends ClusterScheduler(sc) { +private[spark] class YarnClusterScheduler(sc: SparkContext, conf: Configuration) extends TaskSchedulerImpl(sc) { logInfo("Created YarnClusterScheduler") diff --git a/new-yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala b/yarn/common/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala index 2941356bc5..2941356bc5 100644 --- a/new-yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala +++ b/yarn/common/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala diff --git a/yarn/pom.xml b/yarn/pom.xml index bc64a190fd..aea8b0cdde 100644 --- a/yarn/pom.xml +++ b/yarn/pom.xml @@ -25,11 +25,10 @@ </parent> <groupId>org.apache.spark</groupId> - <artifactId>spark-yarn_2.10</artifactId> - <packaging>jar</packaging> - <name>Spark Project YARN Support</name> - <url>http://spark.incubator.apache.org/</url> - + <artifactId>yarn-parent_2.10</artifactId> + <packaging>pom</packaging> + <name>Spark Project YARN Parent POM</name> + <dependencies> <dependency> <groupId>org.apache.spark</groupId> @@ -73,45 +72,52 @@ </dependency> </dependencies> + <profiles> + <profile> + <id>yarn-alpha</id> + <modules> + <module>alpha</module> + </modules> + </profile> + + <profile> + <id>yarn</id> + <modules> + <module>stable</module> + </modules> + </profile> + </profiles> + <build> - <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> - <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> <plugins> <plugin> - <groupId>org.apache.maven.plugins</groupId> - <artifactId>maven-shade-plugin</artifactId> - <configuration> - <shadedArtifactAttached>false</shadedArtifactAttached> - <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-shaded.jar</outputFile> - <artifactSet> - <includes> - <include>*:*</include> - </includes> - </artifactSet> - <filters> - <filter> - <artifact>*:*</artifact> - <excludes> - <exclude>META-INF/*.SF</exclude> - <exclude>META-INF/*.DSA</exclude> - <exclude>META-INF/*.RSA</exclude> - </excludes> - </filter> - </filters> - </configuration> + <groupId>org.codehaus.mojo</groupId> + <artifactId>build-helper-maven-plugin</artifactId> <executions> <execution> - <phase>package</phase> + <id>add-scala-sources</id> + <phase>generate-sources</phase> + <goals> + <goal>add-source</goal> + </goals> + <configuration> + <sources> + <source>src/main/scala</source> + <source>../common/src/main/scala</source> + </sources> + </configuration> + </execution> + <execution> + <id>add-scala-test-sources</id> + <phase>generate-test-sources</phase> <goals> - <goal>shade</goal> + <goal>add-test-source</goal> </goals> <configuration> - <transformers> - <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" /> - <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer"> - <resource>reference.conf</resource> - </transformer> - </transformers> + <sources> + <source>src/test/scala</source> + <source>../common/src/test/scala</source> + </sources> </configuration> </execution> </executions> @@ -150,12 +156,16 @@ <artifactId>scalatest-maven-plugin</artifactId> <configuration> <environmentVariables> - <SPARK_HOME>${basedir}/..</SPARK_HOME> + <SPARK_HOME>${basedir}/../..</SPARK_HOME> <SPARK_TESTING>1</SPARK_TESTING> <SPARK_CLASSPATH>${spark.classpath}</SPARK_CLASSPATH> </environmentVariables> </configuration> </plugin> </plugins> + + <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory> + <testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory> </build> + </project> diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala b/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala deleted file mode 100644 index f76a5ddd39..0000000000 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMasterArguments.scala +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.deploy.yarn - -import org.apache.spark.util.IntParam -import collection.mutable.ArrayBuffer - -class ApplicationMasterArguments(val args: Array[String]) { - var userJar: String = null - var userClass: String = null - var userArgs: Seq[String] = Seq[String]() - var workerMemory = 1024 - var workerCores = 1 - var numWorkers = 2 - - parseArgs(args.toList) - - private def parseArgs(inputArgs: List[String]): Unit = { - val userArgsBuffer = new ArrayBuffer[String]() - - var args = inputArgs - - while (! args.isEmpty) { - - args match { - case ("--jar") :: value :: tail => - userJar = value - args = tail - - case ("--class") :: value :: tail => - userClass = value - args = tail - - case ("--args") :: value :: tail => - userArgsBuffer += value - args = tail - - case ("--num-workers") :: IntParam(value) :: tail => - numWorkers = value - args = tail - - case ("--worker-memory") :: IntParam(value) :: tail => - workerMemory = value - args = tail - - case ("--worker-cores") :: IntParam(value) :: tail => - workerCores = value - args = tail - - case Nil => - if (userJar == null || userClass == null) { - printUsageAndExit(1) - } - - case _ => - printUsageAndExit(1, args) - } - } - - userArgs = userArgsBuffer.readOnly - } - - def printUsageAndExit(exitCode: Int, unknownParam: Any = null) { - if (unknownParam != null) { - System.err.println("Unknown/unsupported param " + unknownParam) - } - System.err.println( - "Usage: org.apache.spark.deploy.yarn.ApplicationMaster [options] \n" + - "Options:\n" + - " --jar JAR_PATH Path to your application's JAR file (required)\n" + - " --class CLASS_NAME Name of your application's main class (required)\n" + - " --args ARGS Arguments to be passed to your application's main class.\n" + - " Mutliple invocations are possible, each will be passed in order.\n" + - " --num-workers NUM Number of workers to start (Default: 2)\n" + - " --worker-cores NUM Number of cores for the workers (Default: 1)\n" + - " --worker-memory MEM Memory per Worker (e.g. 1000M, 2G) (Default: 1G)\n") - System.exit(exitCode) - } -} diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala b/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala deleted file mode 100644 index b3a7886d93..0000000000 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.deploy.yarn - -import org.apache.spark.util.MemoryParam -import org.apache.spark.util.IntParam -import collection.mutable.{ArrayBuffer, HashMap} -import org.apache.spark.scheduler.{InputFormatInfo, SplitInfo} - -// TODO: Add code and support for ensuring that yarn resource 'asks' are location aware ! -class ClientArguments(val args: Array[String]) { - var addJars: String = null - var files: String = null - var archives: String = null - var userJar: String = null - var userClass: String = null - var userArgs: Seq[String] = Seq[String]() - var workerMemory = 1024 - var workerCores = 1 - var numWorkers = 2 - var amQueue = System.getProperty("QUEUE", "default") - var amMemory: Int = 512 - var amClass: String = "org.apache.spark.deploy.yarn.ApplicationMaster" - var appName: String = "Spark" - // TODO - var inputFormatInfo: List[InputFormatInfo] = null - - parseArgs(args.toList) - - private def parseArgs(inputArgs: List[String]): Unit = { - val userArgsBuffer: ArrayBuffer[String] = new ArrayBuffer[String]() - val inputFormatMap: HashMap[String, InputFormatInfo] = new HashMap[String, InputFormatInfo]() - - var args = inputArgs - - while (! args.isEmpty) { - - args match { - case ("--jar") :: value :: tail => - userJar = value - args = tail - - case ("--class") :: value :: tail => - userClass = value - args = tail - - case ("--args") :: value :: tail => - userArgsBuffer += value - args = tail - - case ("--master-class") :: value :: tail => - amClass = value - args = tail - - case ("--master-memory") :: MemoryParam(value) :: tail => - amMemory = value - args = tail - - case ("--worker-memory") :: MemoryParam(value) :: tail => - workerMemory = value - args = tail - - case ("--num-workers") :: IntParam(value) :: tail => - numWorkers = value - args = tail - - case ("--worker-cores") :: IntParam(value) :: tail => - workerCores = value - args = tail - - case ("--queue") :: value :: tail => - amQueue = value - args = tail - - case ("--name") :: value :: tail => - appName = value - args = tail - - case ("--addJars") :: value :: tail => - addJars = value - args = tail - - case ("--files") :: value :: tail => - files = value - args = tail - - case ("--archives") :: value :: tail => - archives = value - args = tail - - case Nil => - if (userJar == null || userClass == null) { - printUsageAndExit(1) - } - - case _ => - printUsageAndExit(1, args) - } - } - - userArgs = userArgsBuffer.readOnly - inputFormatInfo = inputFormatMap.values.toList - } - - - def printUsageAndExit(exitCode: Int, unknownParam: Any = null) { - if (unknownParam != null) { - System.err.println("Unknown/unsupported param " + unknownParam) - } - System.err.println( - "Usage: org.apache.spark.deploy.yarn.Client [options] \n" + - "Options:\n" + - " --jar JAR_PATH Path to your application's JAR file (required)\n" + - " --class CLASS_NAME Name of your application's main class (required)\n" + - " --args ARGS Arguments to be passed to your application's main class.\n" + - " Mutliple invocations are possible, each will be passed in order.\n" + - " --num-workers NUM Number of workers to start (Default: 2)\n" + - " --worker-cores NUM Number of cores for the workers (Default: 1). This is unsused right now.\n" + - " --master-class CLASS_NAME Class Name for Master (Default: spark.deploy.yarn.ApplicationMaster)\n" + - " --master-memory MEM Memory for Master (e.g. 1000M, 2G) (Default: 512 Mb)\n" + - " --worker-memory MEM Memory per Worker (e.g. 1000M, 2G) (Default: 1G)\n" + - " --name NAME The name of your application (Default: Spark)\n" + - " --queue QUEUE The hadoop queue to use for allocation requests (Default: 'default')\n" + - " --addJars jars Comma separated list of local jars that want SparkContext.addJar to work with.\n" + - " --files files Comma separated list of files to be distributed with the job.\n" + - " --archives archives Comma separated list of archives to be distributed with the job." - ) - System.exit(exitCode) - } - -} diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala b/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala deleted file mode 100644 index 5f159b073f..0000000000 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManager.scala +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.deploy.yarn - -import java.net.URI - -import org.apache.hadoop.conf.Configuration -import org.apache.hadoop.fs.FileStatus -import org.apache.hadoop.fs.FileSystem -import org.apache.hadoop.fs.Path -import org.apache.hadoop.fs.permission.FsAction -import org.apache.hadoop.yarn.api.records.LocalResource -import org.apache.hadoop.yarn.api.records.LocalResourceVisibility -import org.apache.hadoop.yarn.api.records.LocalResourceType -import org.apache.hadoop.yarn.util.{Records, ConverterUtils} - -import org.apache.spark.Logging - -import scala.collection.mutable.HashMap -import scala.collection.mutable.LinkedHashMap -import scala.collection.mutable.Map - - -/** Client side methods to setup the Hadoop distributed cache */ -class ClientDistributedCacheManager() extends Logging { - private val distCacheFiles: Map[String, Tuple3[String, String, String]] = - LinkedHashMap[String, Tuple3[String, String, String]]() - private val distCacheArchives: Map[String, Tuple3[String, String, String]] = - LinkedHashMap[String, Tuple3[String, String, String]]() - - - /** - * Add a resource to the list of distributed cache resources. This list can - * be sent to the ApplicationMaster and possibly the workers so that it can - * be downloaded into the Hadoop distributed cache for use by this application. - * Adds the LocalResource to the localResources HashMap passed in and saves - * the stats of the resources to they can be sent to the workers and verified. - * - * @param fs FileSystem - * @param conf Configuration - * @param destPath path to the resource - * @param localResources localResource hashMap to insert the resource into - * @param resourceType LocalResourceType - * @param link link presented in the distributed cache to the destination - * @param statCache cache to store the file/directory stats - * @param appMasterOnly Whether to only add the resource to the app master - */ - def addResource( - fs: FileSystem, - conf: Configuration, - destPath: Path, - localResources: HashMap[String, LocalResource], - resourceType: LocalResourceType, - link: String, - statCache: Map[URI, FileStatus], - appMasterOnly: Boolean = false) = { - val destStatus = fs.getFileStatus(destPath) - val amJarRsrc = Records.newRecord(classOf[LocalResource]).asInstanceOf[LocalResource] - amJarRsrc.setType(resourceType) - val visibility = getVisibility(conf, destPath.toUri(), statCache) - amJarRsrc.setVisibility(visibility) - amJarRsrc.setResource(ConverterUtils.getYarnUrlFromPath(destPath)) - amJarRsrc.setTimestamp(destStatus.getModificationTime()) - amJarRsrc.setSize(destStatus.getLen()) - if (link == null || link.isEmpty()) throw new Exception("You must specify a valid link name") - localResources(link) = amJarRsrc - - if (appMasterOnly == false) { - val uri = destPath.toUri() - val pathURI = new URI(uri.getScheme(), uri.getAuthority(), uri.getPath(), null, link) - if (resourceType == LocalResourceType.FILE) { - distCacheFiles(pathURI.toString()) = (destStatus.getLen().toString(), - destStatus.getModificationTime().toString(), visibility.name()) - } else { - distCacheArchives(pathURI.toString()) = (destStatus.getLen().toString(), - destStatus.getModificationTime().toString(), visibility.name()) - } - } - } - - /** - * Adds the necessary cache file env variables to the env passed in - * @param env - */ - def setDistFilesEnv(env: Map[String, String]) = { - val (keys, tupleValues) = distCacheFiles.unzip - val (sizes, timeStamps, visibilities) = tupleValues.unzip3 - - if (keys.size > 0) { - env("SPARK_YARN_CACHE_FILES") = keys.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_FILES_TIME_STAMPS") = - timeStamps.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_FILES_FILE_SIZES") = - sizes.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_FILES_VISIBILITIES") = - visibilities.reduceLeft[String] { (acc,n) => acc + "," + n } - } - } - - /** - * Adds the necessary cache archive env variables to the env passed in - * @param env - */ - def setDistArchivesEnv(env: Map[String, String]) = { - val (keys, tupleValues) = distCacheArchives.unzip - val (sizes, timeStamps, visibilities) = tupleValues.unzip3 - - if (keys.size > 0) { - env("SPARK_YARN_CACHE_ARCHIVES") = keys.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_ARCHIVES_TIME_STAMPS") = - timeStamps.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_ARCHIVES_FILE_SIZES") = - sizes.reduceLeft[String] { (acc,n) => acc + "," + n } - env("SPARK_YARN_CACHE_ARCHIVES_VISIBILITIES") = - visibilities.reduceLeft[String] { (acc,n) => acc + "," + n } - } - } - - /** - * Returns the local resource visibility depending on the cache file permissions - * @param conf - * @param uri - * @param statCache - * @return LocalResourceVisibility - */ - def getVisibility(conf: Configuration, uri: URI, statCache: Map[URI, FileStatus]): - LocalResourceVisibility = { - if (isPublic(conf, uri, statCache)) { - return LocalResourceVisibility.PUBLIC - } - return LocalResourceVisibility.PRIVATE - } - - /** - * Returns a boolean to denote whether a cache file is visible to all(public) - * or not - * @param conf - * @param uri - * @param statCache - * @return true if the path in the uri is visible to all, false otherwise - */ - def isPublic(conf: Configuration, uri: URI, statCache: Map[URI, FileStatus]): Boolean = { - val fs = FileSystem.get(uri, conf) - val current = new Path(uri.getPath()) - //the leaf level file should be readable by others - if (!checkPermissionOfOther(fs, current, FsAction.READ, statCache)) { - return false - } - return ancestorsHaveExecutePermissions(fs, current.getParent(), statCache) - } - - /** - * Returns true if all ancestors of the specified path have the 'execute' - * permission set for all users (i.e. that other users can traverse - * the directory heirarchy to the given path) - * @param fs - * @param path - * @param statCache - * @return true if all ancestors have the 'execute' permission set for all users - */ - def ancestorsHaveExecutePermissions(fs: FileSystem, path: Path, - statCache: Map[URI, FileStatus]): Boolean = { - var current = path - while (current != null) { - //the subdirs in the path should have execute permissions for others - if (!checkPermissionOfOther(fs, current, FsAction.EXECUTE, statCache)) { - return false - } - current = current.getParent() - } - return true - } - - /** - * Checks for a given path whether the Other permissions on it - * imply the permission in the passed FsAction - * @param fs - * @param path - * @param action - * @param statCache - * @return true if the path in the uri is visible to all, false otherwise - */ - def checkPermissionOfOther(fs: FileSystem, path: Path, - action: FsAction, statCache: Map[URI, FileStatus]): Boolean = { - val status = getFileStatus(fs, path.toUri(), statCache) - val perms = status.getPermission() - val otherAction = perms.getOtherAction() - if (otherAction.implies(action)) { - return true - } - return false - } - - /** - * Checks to see if the given uri exists in the cache, if it does it - * returns the existing FileStatus, otherwise it stats the uri, stores - * it in the cache, and returns the FileStatus. - * @param fs - * @param uri - * @param statCache - * @return FileStatus - */ - def getFileStatus(fs: FileSystem, uri: URI, statCache: Map[URI, FileStatus]): FileStatus = { - val stat = statCache.get(uri) match { - case Some(existstat) => existstat - case None => - val newStat = fs.getFileStatus(new Path(uri)) - statCache.put(uri, newStat) - newStat - } - return stat - } -} diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala b/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala deleted file mode 100644 index 2ba2366ead..0000000000 --- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.deploy.yarn - -import org.apache.spark.deploy.SparkHadoopUtil -import org.apache.hadoop.mapred.JobConf -import org.apache.hadoop.security.UserGroupInformation -import org.apache.hadoop.yarn.conf.YarnConfiguration -import org.apache.hadoop.conf.Configuration - -/** - * Contains util methods to interact with Hadoop from spark. - */ -class YarnSparkHadoopUtil extends SparkHadoopUtil { - - // Note that all params which start with SPARK are propagated all the way through, so if in yarn mode, this MUST be set to true. - override def isYarnMode(): Boolean = { true } - - // Return an appropriate (subclass) of Configuration. Creating config can initializes some hadoop subsystems - // Always create a new config, dont reuse yarnConf. - override def newConfiguration(): Configuration = new YarnConfiguration(new Configuration()) - - // add any user credentials to the job conf which are necessary for running on a secure Hadoop cluster - override def addCredentials(conf: JobConf) { - val jobCreds = conf.getCredentials() - jobCreds.mergeAll(UserGroupInformation.getCurrentUser().getCredentials()) - } -} diff --git a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala b/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala deleted file mode 100644 index 4e988b8017..0000000000 --- a/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterScheduler.scala +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.scheduler.cluster - -import org.apache.hadoop.conf.Configuration - -import org.apache.spark._ -import org.apache.spark.deploy.yarn.{ApplicationMaster, YarnAllocationHandler} -import org.apache.spark.scheduler.ClusterScheduler -import org.apache.spark.util.Utils - -/** - * - * This is a simple extension to ClusterScheduler - to ensure that appropriate initialization of - * ApplicationMaster, etc. is done - */ -private[spark] class YarnClusterScheduler(sc: SparkContext, conf: Configuration) - extends ClusterScheduler(sc) { - - logInfo("Created YarnClusterScheduler") - - def this(sc: SparkContext) = this(sc, new Configuration()) - - // Nothing else for now ... initialize application master : which needs sparkContext to determine how to allocate - // Note that only the first creation of SparkContext influences (and ideally, there must be only one SparkContext, right ?) - // Subsequent creations are ignored - since nodes are already allocated by then. - - - // By default, rack is unknown - override def getRackForHost(hostPort: String): Option[String] = { - val host = Utils.parseHostPort(hostPort)._1 - val retval = YarnAllocationHandler.lookupRack(conf, host) - if (retval != null) Some(retval) else None - } - - override def postStartHook() { - val sparkContextInitialized = ApplicationMaster.sparkContextInitialized(sc) - if (sparkContextInitialized){ - // Wait for a few seconds for the slaves to bootstrap and register with master - best case attempt - Thread.sleep(3000L) - } - logInfo("YarnClusterScheduler.postStartHook done") - } -} diff --git a/yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala b/yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala deleted file mode 100644 index 2941356bc5..0000000000 --- a/yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientDistributedCacheManagerSuite.scala +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.spark.deploy.yarn - -import java.net.URI - -import org.scalatest.FunSuite -import org.scalatest.mock.MockitoSugar -import org.mockito.Mockito.when - -import org.apache.hadoop.conf.Configuration -import org.apache.hadoop.fs.FileStatus -import org.apache.hadoop.fs.FileSystem -import org.apache.hadoop.fs.Path -import org.apache.hadoop.fs.permission.FsAction -import org.apache.hadoop.yarn.api.records.LocalResource -import org.apache.hadoop.yarn.api.records.LocalResourceVisibility -import org.apache.hadoop.yarn.api.records.LocalResourceType -import org.apache.hadoop.yarn.util.{Records, ConverterUtils} - -import scala.collection.mutable.HashMap -import scala.collection.mutable.Map - - -class ClientDistributedCacheManagerSuite extends FunSuite with MockitoSugar { - - class MockClientDistributedCacheManager extends ClientDistributedCacheManager { - override def getVisibility(conf: Configuration, uri: URI, statCache: Map[URI, FileStatus]): - LocalResourceVisibility = { - return LocalResourceVisibility.PRIVATE - } - } - - test("test getFileStatus empty") { - val distMgr = new ClientDistributedCacheManager() - val fs = mock[FileSystem] - val uri = new URI("/tmp/testing") - when(fs.getFileStatus(new Path(uri))).thenReturn(new FileStatus()) - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - val stat = distMgr.getFileStatus(fs, uri, statCache) - assert(stat.getPath() === null) - } - - test("test getFileStatus cached") { - val distMgr = new ClientDistributedCacheManager() - val fs = mock[FileSystem] - val uri = new URI("/tmp/testing") - val realFileStatus = new FileStatus(10, false, 1, 1024, 10, 10, null, "testOwner", - null, new Path("/tmp/testing")) - when(fs.getFileStatus(new Path(uri))).thenReturn(new FileStatus()) - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus](uri -> realFileStatus) - val stat = distMgr.getFileStatus(fs, uri, statCache) - assert(stat.getPath().toString() === "/tmp/testing") - } - - test("test addResource") { - val distMgr = new MockClientDistributedCacheManager() - val fs = mock[FileSystem] - val conf = new Configuration() - val destPath = new Path("file:///foo.invalid.com:8080/tmp/testing") - val localResources = HashMap[String, LocalResource]() - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - when(fs.getFileStatus(destPath)).thenReturn(new FileStatus()) - - distMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, "link", - statCache, false) - val resource = localResources("link") - assert(resource.getVisibility() === LocalResourceVisibility.PRIVATE) - assert(ConverterUtils.getPathFromYarnURL(resource.getResource()) === destPath) - assert(resource.getTimestamp() === 0) - assert(resource.getSize() === 0) - assert(resource.getType() === LocalResourceType.FILE) - - val env = new HashMap[String, String]() - distMgr.setDistFilesEnv(env) - assert(env("SPARK_YARN_CACHE_FILES") === "file:/foo.invalid.com:8080/tmp/testing#link") - assert(env("SPARK_YARN_CACHE_FILES_TIME_STAMPS") === "0") - assert(env("SPARK_YARN_CACHE_FILES_FILE_SIZES") === "0") - assert(env("SPARK_YARN_CACHE_FILES_VISIBILITIES") === LocalResourceVisibility.PRIVATE.name()) - - distMgr.setDistArchivesEnv(env) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_TIME_STAMPS") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_FILE_SIZES") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_VISIBILITIES") === None) - - //add another one and verify both there and order correct - val realFileStatus = new FileStatus(20, false, 1, 1024, 10, 30, null, "testOwner", - null, new Path("/tmp/testing2")) - val destPath2 = new Path("file:///foo.invalid.com:8080/tmp/testing2") - when(fs.getFileStatus(destPath2)).thenReturn(realFileStatus) - distMgr.addResource(fs, conf, destPath2, localResources, LocalResourceType.FILE, "link2", - statCache, false) - val resource2 = localResources("link2") - assert(resource2.getVisibility() === LocalResourceVisibility.PRIVATE) - assert(ConverterUtils.getPathFromYarnURL(resource2.getResource()) === destPath2) - assert(resource2.getTimestamp() === 10) - assert(resource2.getSize() === 20) - assert(resource2.getType() === LocalResourceType.FILE) - - val env2 = new HashMap[String, String]() - distMgr.setDistFilesEnv(env2) - val timestamps = env2("SPARK_YARN_CACHE_FILES_TIME_STAMPS").split(',') - val files = env2("SPARK_YARN_CACHE_FILES").split(',') - val sizes = env2("SPARK_YARN_CACHE_FILES_FILE_SIZES").split(',') - val visibilities = env2("SPARK_YARN_CACHE_FILES_VISIBILITIES") .split(',') - assert(files(0) === "file:/foo.invalid.com:8080/tmp/testing#link") - assert(timestamps(0) === "0") - assert(sizes(0) === "0") - assert(visibilities(0) === LocalResourceVisibility.PRIVATE.name()) - - assert(files(1) === "file:/foo.invalid.com:8080/tmp/testing2#link2") - assert(timestamps(1) === "10") - assert(sizes(1) === "20") - assert(visibilities(1) === LocalResourceVisibility.PRIVATE.name()) - } - - test("test addResource link null") { - val distMgr = new MockClientDistributedCacheManager() - val fs = mock[FileSystem] - val conf = new Configuration() - val destPath = new Path("file:///foo.invalid.com:8080/tmp/testing") - val localResources = HashMap[String, LocalResource]() - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - when(fs.getFileStatus(destPath)).thenReturn(new FileStatus()) - - intercept[Exception] { - distMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, null, - statCache, false) - } - assert(localResources.get("link") === None) - assert(localResources.size === 0) - } - - test("test addResource appmaster only") { - val distMgr = new MockClientDistributedCacheManager() - val fs = mock[FileSystem] - val conf = new Configuration() - val destPath = new Path("file:///foo.invalid.com:8080/tmp/testing") - val localResources = HashMap[String, LocalResource]() - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - val realFileStatus = new FileStatus(20, false, 1, 1024, 10, 30, null, "testOwner", - null, new Path("/tmp/testing")) - when(fs.getFileStatus(destPath)).thenReturn(realFileStatus) - - distMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, "link", - statCache, true) - val resource = localResources("link") - assert(resource.getVisibility() === LocalResourceVisibility.PRIVATE) - assert(ConverterUtils.getPathFromYarnURL(resource.getResource()) === destPath) - assert(resource.getTimestamp() === 10) - assert(resource.getSize() === 20) - assert(resource.getType() === LocalResourceType.ARCHIVE) - - val env = new HashMap[String, String]() - distMgr.setDistFilesEnv(env) - assert(env.get("SPARK_YARN_CACHE_FILES") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_TIME_STAMPS") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_FILE_SIZES") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_VISIBILITIES") === None) - - distMgr.setDistArchivesEnv(env) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_TIME_STAMPS") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_FILE_SIZES") === None) - assert(env.get("SPARK_YARN_CACHE_ARCHIVES_VISIBILITIES") === None) - } - - test("test addResource archive") { - val distMgr = new MockClientDistributedCacheManager() - val fs = mock[FileSystem] - val conf = new Configuration() - val destPath = new Path("file:///foo.invalid.com:8080/tmp/testing") - val localResources = HashMap[String, LocalResource]() - val statCache: Map[URI, FileStatus] = HashMap[URI, FileStatus]() - val realFileStatus = new FileStatus(20, false, 1, 1024, 10, 30, null, "testOwner", - null, new Path("/tmp/testing")) - when(fs.getFileStatus(destPath)).thenReturn(realFileStatus) - - distMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, "link", - statCache, false) - val resource = localResources("link") - assert(resource.getVisibility() === LocalResourceVisibility.PRIVATE) - assert(ConverterUtils.getPathFromYarnURL(resource.getResource()) === destPath) - assert(resource.getTimestamp() === 10) - assert(resource.getSize() === 20) - assert(resource.getType() === LocalResourceType.ARCHIVE) - - val env = new HashMap[String, String]() - - distMgr.setDistArchivesEnv(env) - assert(env("SPARK_YARN_CACHE_ARCHIVES") === "file:/foo.invalid.com:8080/tmp/testing#link") - assert(env("SPARK_YARN_CACHE_ARCHIVES_TIME_STAMPS") === "10") - assert(env("SPARK_YARN_CACHE_ARCHIVES_FILE_SIZES") === "20") - assert(env("SPARK_YARN_CACHE_ARCHIVES_VISIBILITIES") === LocalResourceVisibility.PRIVATE.name()) - - distMgr.setDistFilesEnv(env) - assert(env.get("SPARK_YARN_CACHE_FILES") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_TIME_STAMPS") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_FILE_SIZES") === None) - assert(env.get("SPARK_YARN_CACHE_FILES_VISIBILITIES") === None) - } - - -} diff --git a/yarn/stable/pom.xml b/yarn/stable/pom.xml new file mode 100644 index 0000000000..62fe3e2742 --- /dev/null +++ b/yarn/stable/pom.xml @@ -0,0 +1,32 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + ~ Licensed to the Apache Software Foundation (ASF) under one or more + ~ contributor license agreements. See the NOTICE file distributed with + ~ this work for additional information regarding copyright ownership. + ~ The ASF licenses this file to You under the Apache License, Version 2.0 + ~ (the "License"); you may not use this file except in compliance with + ~ the License. You may obtain a copy of the License at + ~ + ~ http://www.apache.org/licenses/LICENSE-2.0 + ~ + ~ Unless required by applicable law or agreed to in writing, software + ~ distributed under the License is distributed on an "AS IS" BASIS, + ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + ~ See the License for the specific language governing permissions and + ~ limitations under the License. + --> +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.spark</groupId> + <artifactId>yarn-parent_2.10</artifactId> + <version>0.9.0-incubating-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <groupId>org.apache.spark</groupId> + <artifactId>spark-yarn_2.10</artifactId> + <packaging>jar</packaging> + <name>Spark Project YARN Stable API</name> + +</project> diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala index eeeca3ea8a..69ae14ce83 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala +++ b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala @@ -38,15 +38,18 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{ConverterUtils, Records} -import org.apache.spark.{SparkContext, Logging} +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.util.Utils -class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) extends Logging { +class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration, + sparkConf: SparkConf) extends Logging { + + def this(args: ApplicationMasterArguments, sparkConf: SparkConf) = + this(args, new Configuration(), sparkConf) + + def this(args: ApplicationMasterArguments) = this(args, new SparkConf()) - def this(args: ApplicationMasterArguments) = this(args, new Configuration()) - - private var rpc: YarnRPC = YarnRPC.create(conf) private val yarnConf: YarnConfiguration = new YarnConfiguration(conf) private var appAttemptId: ApplicationAttemptId = _ private var userThread: Thread = _ @@ -61,14 +64,18 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e private var amClient: AMRMClient[ContainerRequest] = _ // Default to numWorkers * 2, with minimum of 3 - private val maxNumWorkerFailures = System.getProperty("spark.yarn.max.worker.failures", - math.max(args.numWorkers * 2, 3).toString()).toInt + private val maxNumWorkerFailures = sparkConf.getInt("spark.yarn.max.worker.failures", + math.max(args.numWorkers * 2, 3)) def run() { // Setup the directories so things go to YARN approved directories rather // than user specified and /tmp. System.setProperty("spark.local.dir", getLocalDirs()) + // set the web ui port to be ephemeral for yarn so we don't conflict with + // other spark processes running on the same box + System.setProperty("spark.ui.port", "0") + // Use priority 30 as it's higher then HDFS. It's same priority as MapReduce is using. ShutdownHookManager.get().addShutdownHook(new AppMasterShutdownHook(this), 30) @@ -81,16 +88,14 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // Workaround until hadoop moves to something which has // https://issues.apache.org/jira/browse/HADOOP-8406 - fixed in (2.0.2-alpha but no 0.23 line) // org.apache.hadoop.io.compress.CompressionCodecFactory.getCodecClasses(conf) - + ApplicationMaster.register(this) // Start the user's JAR userThread = startUserClass() - + // This a bit hacky, but we need to wait until the spark.driver.port property has // been set by the Thread executing the user class. - waitForSparkMaster() - waitForSparkContextInitialized() // Do this after Spark master is up and SparkContext is created so that we can register UI Url. @@ -99,7 +104,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // Allocate all containers allocateWorkers() - // Wait for the user class to Finish + // Wait for the user class to Finish userThread.join() System.exit(0) @@ -112,14 +117,14 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // LOCAL_DIRS => 2.X, YARN_LOCAL_DIRS => 0.23.X val localDirs = Option(System.getenv("YARN_LOCAL_DIRS")) .getOrElse(Option(System.getenv("LOCAL_DIRS")) - .getOrElse("")) + .getOrElse("")) if (localDirs.isEmpty()) { throw new Exception("Yarn Local dirs can't be empty") } localDirs } - + private def getApplicationAttemptId(): ApplicationAttemptId = { val envs = System.getenv() val containerIdString = envs.get(ApplicationConstants.Environment.CONTAINER_ID.name()) @@ -128,41 +133,17 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e logInfo("ApplicationAttemptId: " + appAttemptId) appAttemptId } - + private def registerApplicationMaster(): RegisterApplicationMasterResponse = { logInfo("Registering the ApplicationMaster") amClient.registerApplicationMaster(Utils.localHostName(), 0, uiAddress) } - - private def waitForSparkMaster() { - logInfo("Waiting for Spark driver to be reachable.") - var driverUp = false - var tries = 0 - val numTries = System.getProperty("spark.yarn.applicationMaster.waitTries", "10").toInt - while (!driverUp && tries < numTries) { - val driverHost = System.getProperty("spark.driver.host") - val driverPort = System.getProperty("spark.driver.port") - try { - val socket = new Socket(driverHost, driverPort.toInt) - socket.close() - logInfo("Driver now available: %s:%s".format(driverHost, driverPort)) - driverUp = true - } catch { - case e: Exception => { - logWarning("Failed to connect to driver at %s:%s, retrying ...". - format(driverHost, driverPort)) - Thread.sleep(100) - tries = tries + 1 - } - } - } - } - private def startUserClass(): Thread = { + private def startUserClass(): Thread = { logInfo("Starting the user JAR in a separate Thread") val mainMethod = Class.forName( args.userClass, - false /* initialize */, + false /* initialize */ , Thread.currentThread.getContextClassLoader).getMethod("main", classOf[Array[String]]) val t = new Thread { override def run() { @@ -199,7 +180,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e ApplicationMaster.sparkContextRef.synchronized { var numTries = 0 val waitTime = 10000L - val maxNumTries = System.getProperty("spark.yarn.ApplicationMaster.waitTries", "10").toInt + val maxNumTries = sparkConf.getInt("spark.yarn.applicationMaster.waitTries", 10) while (ApplicationMaster.sparkContextRef.get() == null && numTries < maxNumTries) { logInfo("Waiting for Spark context initialization ... " + numTries) numTries = numTries + 1 @@ -214,8 +195,9 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e yarnConf, amClient, appAttemptId, - args, - sparkContext.preferredNodeLocationData) + args, + sparkContext.preferredNodeLocationData, + sparkContext.getConf) } else { logWarning("Unable to retrieve SparkContext inspite of waiting for %d, maxNumTries = %d". format(numTries * waitTime, maxNumTries)) @@ -223,7 +205,8 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e yarnConf, amClient, appAttemptId, - args) + args, + sparkContext.getConf) } } } finally { @@ -265,7 +248,8 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e // we want to be reasonably responsive without causing too many requests to RM. val schedulerInterval = - System.getProperty("spark.yarn.scheduler.heartbeat.interval-ms", "5000").toLong + sparkConf.getLong("spark.yarn.scheduler.heartbeat.interval-ms", 5000) + // must be <= timeoutInterval / 2. val interval = math.min(timeoutInterval / 2, schedulerInterval) @@ -275,7 +259,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e } private def launchReporterThread(_sleepTime: Long): Thread = { - val sleepTime = if (_sleepTime <= 0 ) 0 else _sleepTime + val sleepTime = if (_sleepTime <= 0) 0 else _sleepTime val t = new Thread { override def run() { @@ -314,11 +298,11 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e for (container <- containers) { logInfo("Launching shell command on a new container." + ", containerId=" + container.getId() - + ", containerNode=" + container.getNodeId().getHost() + + ", containerNode=" + container.getNodeId().getHost() + ":" + container.getNodeId().getPort() + ", containerNodeURI=" + container.getNodeHttpAddress() + ", containerState" + container.getState() - + ", containerResourceMemory" + + ", containerResourceMemory" + container.getResource().getMemory()) } } @@ -334,16 +318,16 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e logInfo("finishApplicationMaster with " + status) // Set tracking URL to empty since we don't have a history server. - amClient.unregisterApplicationMaster(status, "" /* appMessage */, "" /* appTrackingUrl */) + amClient.unregisterApplicationMaster(status, "" /* appMessage */ , "" /* appTrackingUrl */) } /** - * Clean up the staging directory. + * Clean up the staging directory. */ - private def cleanupStagingDir() { + private def cleanupStagingDir() { var stagingDirPath: Path = null try { - val preserveFiles = System.getProperty("spark.yarn.preserve.staging.files", "false").toBoolean + val preserveFiles = sparkConf.get("spark.yarn.preserve.staging.files", "false").toBoolean if (!preserveFiles) { stagingDirPath = new Path(System.getenv("SPARK_YARN_STAGING_DIR")) if (stagingDirPath == null) { @@ -359,7 +343,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e } } - // The shutdown hook that runs when a signal is received AND during normal close of the JVM. + // The shutdown hook that runs when a signal is received AND during normal close of the JVM. class AppMasterShutdownHook(appMaster: ApplicationMaster) extends Runnable { def run() { @@ -369,6 +353,7 @@ class ApplicationMaster(args: ApplicationMasterArguments, conf: Configuration) e if (appMaster.isLastAMRetry) appMaster.cleanupStagingDir() } } + } object ApplicationMaster { @@ -415,19 +400,20 @@ object ApplicationMaster { // Note that this will unfortunately not properly clean up the staging files because it gets // called too late, after the filesystem is already shutdown. if (modified) { - Runtime.getRuntime().addShutdownHook(new Thread with Logging { + Runtime.getRuntime().addShutdownHook(new Thread with Logging { // This is not only logs, but also ensures that log system is initialized for this instance // when we are actually 'run'-ing. logInfo("Adding shutdown hook for context " + sc) - override def run() { - logInfo("Invoking sc stop from shutdown hook") - sc.stop() + + override def run() { + logInfo("Invoking sc stop from shutdown hook") + sc.stop() // Best case ... for (master <- applicationMasters) { master.finishApplicationMaster(FinalApplicationStatus.SUCCEEDED) } - } - } ) + } + }) } // Wait for initialization to complete and atleast 'some' nodes can get allocated. diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/Client.scala index 94678815e8..440ad5cde5 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala +++ b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/Client.scala @@ -40,7 +40,7 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{Apps, Records} -import org.apache.spark.Logging +import org.apache.spark.{Logging, SparkConf} import org.apache.spark.util.Utils import org.apache.spark.deploy.SparkHadoopUtil @@ -50,7 +50,13 @@ import org.apache.spark.deploy.SparkHadoopUtil * Client submits an application to the global ResourceManager to launch Spark's ApplicationMaster, * which will launch a Spark master process and negotiate resources throughout its duration. */ -class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl with Logging { +class Client(args: ClientArguments, conf: Configuration, sparkConf: SparkConf) + extends YarnClientImpl with Logging { + + def this(args: ClientArguments, sparkConf: SparkConf) = + this(args, new Configuration(), sparkConf) + + def this(args: ClientArguments) = this(args, new SparkConf()) var rpc: YarnRPC = YarnRPC.create(conf) val yarnConf: YarnConfiguration = new YarnConfiguration(conf) @@ -63,8 +69,6 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl // App files are world-wide readable and owner writable -> rw-r--r-- val APP_FILE_PERMISSION: FsPermission = FsPermission.createImmutable(0644: Short) - def this(args: ClientArguments) = this(new Configuration(), args) - def runApp(): ApplicationId = { validateArgs() // Initialize and start the client service. @@ -141,7 +145,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl clusterMetrics.getNumNodeManagers) val queueInfo: QueueInfo = super.getQueueInfo(args.amQueue) - logInfo("""Queue info ... queueName: %s, queueCurrentCapacity: %s, queueMaxCapacity: %s, + logInfo( """Queue info ... queueName: %s, queueCurrentCapacity: %s, queueMaxCapacity: %s, queueApplicationCount = %s, queueChildQueueCount = %s""".format( queueInfo.getQueueName, queueInfo.getCurrentCapacity, @@ -150,7 +154,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl queueInfo.getChildQueues.size)) } - def verifyClusterResources(app: GetNewApplicationResponse) = { + def verifyClusterResources(app: GetNewApplicationResponse) = { val maxMem = app.getMaximumResourceCapability().getMemory() logInfo("Max mem capabililty of a single resource in this cluster " + maxMem) @@ -221,7 +225,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl FileUtil.copy(remoteFs, originalPath, fs, newPath, false, conf) fs.setReplication(newPath, replication) if (setPerms) fs.setPermission(newPath, new FsPermission(APP_FILE_PERMISSION)) - } + } // Resolve any symlinks in the URI path so using a "current" symlink to point to a specific // version shows the specific version in the distributed cache configuration val qualPath = fs.makeQualified(newPath) @@ -244,7 +248,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } } val dst = new Path(fs.getHomeDirectory(), appStagingDir) - val replication = System.getProperty("spark.yarn.submit.file.replication", "3").toShort + val replication = sparkConf.getInt("spark.yarn.submit.file.replication", 3).toShort if (UserGroupInformation.isSecurityEnabled()) { val dstFs = dst.getFileSystem(conf) @@ -269,7 +273,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } val setPermissions = if (destName.equals(Client.APP_JAR)) true else false val destPath = copyRemoteFile(dst, new Path(localURI), replication, setPermissions) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, destName, statCache) } } @@ -283,7 +287,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val destPath = copyRemoteFile(dst, localPath, replication) // Only add the resource to the Spark ApplicationMaster. val appMasterOnly = true - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, linkname, statCache, appMasterOnly) } } @@ -295,7 +299,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val localPath = new Path(localURI) val linkname = Option(localURI.getFragment()).getOrElse(localPath.getName()) val destPath = copyRemoteFile(dst, localPath, replication) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.FILE, linkname, statCache) } } @@ -307,7 +311,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val localPath = new Path(localURI) val linkname = Option(localURI.getFragment()).getOrElse(localPath.getName()) val destPath = copyRemoteFile(dst, localPath, replication) - distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, + distCacheMgr.addResource(fs, conf, destPath, localResources, LocalResourceType.ARCHIVE, linkname, statCache) } } @@ -317,14 +321,14 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } def setupLaunchEnv( - localResources: HashMap[String, LocalResource], + localResources: HashMap[String, LocalResource], stagingDir: String): HashMap[String, String] = { logInfo("Setting up the launch environment") val log4jConfLocalRes = localResources.getOrElse(Client.LOG4J_PROP, null) val env = new HashMap[String, String]() - Client.populateClasspath(yarnConf, log4jConfLocalRes != null, env) + Client.populateClasspath(yarnConf, sparkConf, log4jConfLocalRes != null, env) env("SPARK_YARN_MODE") = "true" env("SPARK_YARN_STAGING_DIR") = stagingDir @@ -345,7 +349,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val prefix = " --args " val args = clientArgs.userArgs val retval = new StringBuilder() - for (arg <- args){ + for (arg <- args) { retval.append(prefix).append(" '").append(arg).append("' ") } retval.toString @@ -406,11 +410,11 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl } val commands = List[String]( - javaCommand + + javaCommand + " -server " + JAVA_OPTS + " " + args.amClass + - " --class " + args.userClass + + " --class " + args.userClass + " --jar " + args.userJar + userArgsToString(args) + " --worker-memory " + args.workerMemory + @@ -436,9 +440,11 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl super.submitApplication(appContext) } - def monitorApplication(appId: ApplicationId): Boolean = { + def monitorApplication(appId: ApplicationId): Boolean = { + val interval = sparkConf.getLong("spark.yarn.report.interval", 1000) + while (true) { - Thread.sleep(1000) + Thread.sleep(interval) val report = super.getApplicationReport(appId) logInfo("Application report from ASM: \n" + @@ -458,7 +464,7 @@ class Client(conf: Configuration, args: ClientArguments) extends YarnClientImpl val state = report.getYarnApplicationState() val dsStatus = report.getFinalApplicationStatus() - if (state == YarnApplicationState.FINISHED || + if (state == YarnApplicationState.FINISHED || state == YarnApplicationState.FAILED || state == YarnApplicationState.KILLED) { return true @@ -478,10 +484,10 @@ object Client { // Note: anything env variable with SPARK_ prefix gets propagated to all (remote) processes - // see Client#setupLaunchEnv(). System.setProperty("SPARK_YARN_MODE", "true") + val sparkConf = new SparkConf() + val args = new ClientArguments(argStrings, sparkConf) - val args = new ClientArguments(argStrings) - - (new Client(args)).run() + new Client(args, sparkConf).run() } // Based on code from org.apache.hadoop.mapreduce.v2.util.MRApps @@ -491,29 +497,29 @@ object Client { } } - def populateClasspath(conf: Configuration, addLog4j: Boolean, env: HashMap[String, String]) { + def populateClasspath(conf: Configuration, sparkConf: SparkConf, addLog4j: Boolean, env: HashMap[String, String]) { Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$()) // If log4j present, ensure ours overrides all others if (addLog4j) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + LOG4J_PROP) } // Normally the users app.jar is last in case conflicts with spark jars - val userClasspathFirst = System.getProperty("spark.yarn.user.classpath.first", "false") + val userClasspathFirst = sparkConf.get("spark.yarn.user.classpath.first", "false") .toBoolean if (userClasspathFirst) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + APP_JAR) } - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + SPARK_JAR) Client.populateHadoopClasspath(conf, env) if (!userClasspathFirst) { - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + APP_JAR) } - Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + + Apps.addToEnvironment(env, Environment.CLASSPATH.name, Environment.PWD.$() + Path.SEPARATOR + "*") } } diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala index bc31bb2eb0..49248a8516 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala +++ b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/WorkerLauncher.scala @@ -28,16 +28,20 @@ import org.apache.hadoop.yarn.util.{ConverterUtils, Records} import akka.actor._ import akka.remote._ import akka.actor.Terminated -import org.apache.spark.{SparkContext, Logging} +import org.apache.spark.{SparkConf, SparkContext, Logging} import org.apache.spark.util.{Utils, AkkaUtils} import org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend import org.apache.spark.scheduler.SplitInfo import org.apache.hadoop.yarn.client.api.AMRMClient import org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest -class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) extends Logging { +class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration, sparkConf: SparkConf) + extends Logging { - def this(args: ApplicationMasterArguments) = this(args, new Configuration()) + def this(args: ApplicationMasterArguments, sparkConf: SparkConf) = + this(args, new Configuration(), sparkConf) + + def this(args: ApplicationMasterArguments) = this(args, new SparkConf()) private var appAttemptId: ApplicationAttemptId = _ private var reporterThread: Thread = _ @@ -48,23 +52,26 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte private var amClient: AMRMClient[ContainerRequest] = _ - val actorSystem : ActorSystem = AkkaUtils.createActorSystem("sparkYarnAM", Utils.localHostName, 0)._1 + val actorSystem: ActorSystem = AkkaUtils.createActorSystem("sparkYarnAM", Utils.localHostName, 0, + conf = sparkConf)._1 var actor: ActorRef = _ // This actor just working as a monitor to watch on Driver Actor. class MonitorActor(driverUrl: String) extends Actor { - var driver: ActorSelection = null + var driver: ActorSelection = _ override def preStart() { logInfo("Listen to driver: " + driverUrl) driver = context.actorSelection(driverUrl) + // Send a hello message thus the connection is actually established, thus we can monitor Lifecycle Events. + driver ! "Hello" context.system.eventStream.subscribe(self, classOf[RemotingLifecycleEvent]) } override def receive = { case x: DisassociatedEvent => - logInfo("Driver terminated or disconnected! Shutting down.") + logInfo(s"Driver terminated or disconnected! Shutting down. $x") driverClosed = true } } @@ -90,7 +97,7 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte // must be <= timeoutInterval/ 2. // On other hand, also ensure that we are reasonably responsive without causing too many requests to RM. // so atleast 1 minute or timeoutInterval / 10 - whichever is higher. - val interval = math.min(timeoutInterval / 2, math.max(timeoutInterval/ 10, 60000L)) + val interval = math.min(timeoutInterval / 2, math.max(timeoutInterval / 10, 60000L)) reporterThread = launchReporterThread(interval) // Wait for the reporter thread to Finish. @@ -136,8 +143,8 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte Thread.sleep(100) } } - System.setProperty("spark.driver.host", driverHost) - System.setProperty("spark.driver.port", driverPort.toString) + sparkConf.set("spark.driver.host", driverHost) + sparkConf.set("spark.driver.port", driverPort.toString) val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( driverHost, driverPort.toString, CoarseGrainedSchedulerBackend.ACTOR_NAME) @@ -157,7 +164,8 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte amClient, appAttemptId, args, - preferredNodeLocationData) + preferredNodeLocationData, + sparkConf) logInfo("Allocating " + args.numWorkers + " workers.") // Wait until all containers have finished @@ -165,7 +173,7 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte // TODO: Handle container failure yarnAllocator.addResourceRequests(args.numWorkers) - while(yarnAllocator.getNumWorkersRunning < args.numWorkers) { + while (yarnAllocator.getNumWorkersRunning < args.numWorkers) { yarnAllocator.allocateResources() Thread.sleep(100) } @@ -176,7 +184,7 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte // TODO: We might want to extend this to allocate more containers in case they die ! private def launchReporterThread(_sleepTime: Long): Thread = { - val sleepTime = if (_sleepTime <= 0 ) 0 else _sleepTime + val sleepTime = if (_sleepTime <= 0) 0 else _sleepTime val t = new Thread { override def run() { @@ -208,7 +216,7 @@ class WorkerLauncher(args: ApplicationMasterArguments, conf: Configuration) exte def finishApplicationMaster(status: FinalApplicationStatus) { logInfo("finish ApplicationMaster with " + status) - amClient.unregisterApplicationMaster(status, "" /* appMessage */, "" /* appTrackingUrl */) + amClient.unregisterApplicationMaster(status, "" /* appMessage */ , "" /* appTrackingUrl */) } } diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala index 9f5523c4b9..b7699050bb 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala +++ b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/WorkerRunnable.scala @@ -39,12 +39,13 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration import org.apache.hadoop.yarn.ipc.YarnRPC import org.apache.hadoop.yarn.util.{Apps, ConverterUtils, Records} -import org.apache.spark.Logging +import org.apache.spark.{SparkConf, Logging} class WorkerRunnable( container: Container, conf: Configuration, + sparkConf: SparkConf, masterAddress: String, slaveId: String, hostname: String, @@ -197,7 +198,7 @@ class WorkerRunnable( def prepareEnvironment: HashMap[String, String] = { val env = new HashMap[String, String]() - Client.populateClasspath(yarnConf, System.getenv("SPARK_YARN_LOG4J_PATH") != null, env) + Client.populateClasspath(yarnConf, sparkConf, System.getenv("SPARK_YARN_LOG4J_PATH") != null, env) // Allow users to specify some environment variables Apps.setEnvFromInputString(env, System.getenv("SPARK_YARN_USER_ENV")) diff --git a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala index c27257cda4..738ff986d8 100644 --- a/new-yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala +++ b/yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala @@ -26,9 +26,9 @@ import scala.collection import scala.collection.JavaConversions._ import scala.collection.mutable.{ArrayBuffer, HashMap, HashSet} -import org.apache.spark.Logging -import org.apache.spark.scheduler.SplitInfo -import org.apache.spark.scheduler.cluster.{ClusterScheduler, CoarseGrainedSchedulerBackend} +import org.apache.spark.{Logging, SparkConf} +import org.apache.spark.scheduler.{SplitInfo,TaskSchedulerImpl} +import org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend import org.apache.spark.util.Utils import org.apache.hadoop.conf.Configuration @@ -42,7 +42,7 @@ import org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest import org.apache.hadoop.yarn.util.{RackResolver, Records} -object AllocationType extends Enumeration ("HOST", "RACK", "ANY") { +object AllocationType extends Enumeration { type AllocationType = Value val HOST, RACK, ANY = Value } @@ -64,7 +64,8 @@ private[yarn] class YarnAllocationHandler( val workerMemory: Int, val workerCores: Int, val preferredHostToCount: Map[String, Int], - val preferredRackToCount: Map[String, Int]) + val preferredRackToCount: Map[String, Int], + val sparkConf: SparkConf) extends Logging { // These three are locked on allocatedHostToContainersMap. Complementary data structures // allocatedHostToContainersMap : containers which are running : host, Set<containerid> @@ -233,9 +234,9 @@ private[yarn] class YarnAllocationHandler( // Note that the list we create below tries to ensure that not all containers end up within // a host if there is a sufficiently large number of hosts/containers. val allocatedContainersToProcess = new ArrayBuffer[Container](allocatedContainers.size) - allocatedContainersToProcess ++= ClusterScheduler.prioritizeContainers(dataLocalContainers) - allocatedContainersToProcess ++= ClusterScheduler.prioritizeContainers(rackLocalContainers) - allocatedContainersToProcess ++= ClusterScheduler.prioritizeContainers(offRackContainers) + allocatedContainersToProcess ++= TaskSchedulerImpl.prioritizeContainers(dataLocalContainers) + allocatedContainersToProcess ++= TaskSchedulerImpl.prioritizeContainers(rackLocalContainers) + allocatedContainersToProcess ++= TaskSchedulerImpl.prioritizeContainers(offRackContainers) // Run each of the allocated containers. for (container <- allocatedContainersToProcess) { @@ -254,8 +255,8 @@ private[yarn] class YarnAllocationHandler( } else { val workerId = workerIdCounter.incrementAndGet().toString val driverUrl = "akka.tcp://spark@%s:%s/user/%s".format( - System.getProperty("spark.driver.host"), - System.getProperty("spark.driver.port"), + sparkConf.get("spark.driver.host"), + sparkConf.get("spark.driver.port"), CoarseGrainedSchedulerBackend.ACTOR_NAME) logInfo("Launching container %s for on host %s".format(containerId, workerHostname)) @@ -279,6 +280,7 @@ private[yarn] class YarnAllocationHandler( val workerRunnable = new WorkerRunnable( container, conf, + sparkConf, driverUrl, workerId, workerHostname, @@ -565,7 +567,8 @@ object YarnAllocationHandler { conf: Configuration, amClient: AMRMClient[ContainerRequest], appAttemptId: ApplicationAttemptId, - args: ApplicationMasterArguments + args: ApplicationMasterArguments, + sparkConf: SparkConf ): YarnAllocationHandler = { new YarnAllocationHandler( conf, @@ -575,7 +578,8 @@ object YarnAllocationHandler { args.workerMemory, args.workerCores, Map[String, Int](), - Map[String, Int]()) + Map[String, Int](), + sparkConf) } def newAllocator( @@ -584,7 +588,8 @@ object YarnAllocationHandler { appAttemptId: ApplicationAttemptId, args: ApplicationMasterArguments, map: collection.Map[String, - collection.Set[SplitInfo]] + collection.Set[SplitInfo]], + sparkConf: SparkConf ): YarnAllocationHandler = { val (hostToSplitCount, rackToSplitCount) = generateNodeToWeight(conf, map) new YarnAllocationHandler( @@ -595,7 +600,8 @@ object YarnAllocationHandler { args.workerMemory, args.workerCores, hostToSplitCount, - rackToSplitCount) + rackToSplitCount, + sparkConf) } def newAllocator( @@ -605,7 +611,8 @@ object YarnAllocationHandler { maxWorkers: Int, workerMemory: Int, workerCores: Int, - map: collection.Map[String, collection.Set[SplitInfo]] + map: collection.Map[String, collection.Set[SplitInfo]], + sparkConf: SparkConf ): YarnAllocationHandler = { val (hostToCount, rackToCount) = generateNodeToWeight(conf, map) new YarnAllocationHandler( @@ -616,7 +623,8 @@ object YarnAllocationHandler { workerMemory, workerCores, hostToCount, - rackToCount) + rackToCount, + sparkConf) } // A simple method to copy the split info map. |