diff options
107 files changed, 845 insertions, 283 deletions
diff --git a/.gitignore b/.gitignore index 399362f7d3..39635d7eef 100644 --- a/.gitignore +++ b/.gitignore @@ -4,6 +4,7 @@ *.iml *.iws .idea/ +sbt/*.jar .settings .cache /build/ @@ -13,9 +13,11 @@ This README file only contains basic setup instructions. ## Building Spark requires Scala 2.10. The project is built using Simple Build Tool (SBT), -which can be obtained [here](http://www.scala-sbt.org). To build Spark and its example programs, run: +which can be obtained [here](http://www.scala-sbt.org). If SBT is installed we +will use the system version of sbt otherwise we will attempt to download it +automatically. To build Spark and its example programs, run: - sbt assembly + ./sbt/sbt assembly Once you've built Spark, the easiest way to start using it is the shell: @@ -41,7 +43,7 @@ locally with one thread, or "local[N]" to run locally with N threads. Testing first requires [Building](#Building) Spark. Once Spark is built, tests can be run using: -`sbt test` +`./sbt/sbt test` ## A Note About Hadoop Versions @@ -55,22 +57,22 @@ 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 assembly + $ SPARK_HADOOP_VERSION=1.2.1 sbt/sbt assembly # Cloudera CDH 4.2.0 with MapReduce v1 - $ SPARK_HADOOP_VERSION=2.0.0-mr1-cdh4.2.0 sbt assembly + $ SPARK_HADOOP_VERSION=2.0.0-mr1-cdh4.2.0 sbt/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 assembly + $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/sbt assembly # Cloudera CDH 4.2.0 with MapReduce v2 - $ SPARK_HADOOP_VERSION=2.0.0-cdh4.2.0 SPARK_YARN=true sbt assembly + $ SPARK_HADOOP_VERSION=2.0.0-cdh4.2.0 SPARK_YARN=true sbt/sbt assembly # Apache Hadoop 2.2.X and newer - $ SPARK_HADOOP_VERSION=2.2.0 SPARK_YARN=true sbt assembly + $ SPARK_HADOOP_VERSION=2.2.0 SPARK_YARN=true sbt/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/pom.xml b/assembly/pom.xml index 9b70812c64..54a25910ce 100644 --- a/assembly/pom.xml +++ b/assembly/pom.xml @@ -108,12 +108,12 @@ <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer"> <resource>META-INF/services/org.apache.hadoop.fs.FileSystem</resource> </transformer> - </transformers> - <transformers> - <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" /> <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer"> <resource>reference.conf</resource> </transformer> + <transformer implementation="org.apache.maven.plugins.shade.resource.DontIncludeResourceTransformer"> + <resource>log4j.properties</resource> + </transformer> </transformers> </configuration> </execution> diff --git a/bin/pyspark b/bin/pyspark index f97dfa7e2f..d6810f4686 100755 --- a/bin/pyspark +++ b/bin/pyspark @@ -31,7 +31,7 @@ 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 $FWDIR/assembly/target" >&2 - echo "You need to build Spark with sbt assembly before running this program" >&2 + echo "You need to build Spark with sbt/sbt assembly before running this program" >&2 exit 1 fi fi diff --git a/bin/run-example b/bin/run-example index dfb4bf7baf..6c5d4a6a8f 100755 --- a/bin/run-example +++ b/bin/run-example @@ -55,7 +55,7 @@ if [ -e "$EXAMPLES_DIR"/target/spark-examples*[0-9Tg].jar ]; then fi if [[ -z $SPARK_EXAMPLES_JAR ]]; then echo "Failed to find Spark examples assembly in $FWDIR/examples/target" >&2 - echo "You need to build Spark with sbt assembly before running this program" >&2 + echo "You need to build Spark with sbt/sbt assembly before running this program" >&2 exit 1 fi diff --git a/bin/spark-class b/bin/spark-class index 49b0bef0bd..c4225a392d 100755 --- a/bin/spark-class +++ b/bin/spark-class @@ -104,7 +104,7 @@ if [ ! -f "$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 assembly' before running this program." >&2 + echo "You need to build Spark with 'sbt/sbt assembly' before running this program." >&2 exit 1 fi if [ "$num_jars" -gt "1" ]; then diff --git a/conf/spark-env.sh.template b/conf/spark-env.sh.template index 0a35ee7c79..e2071e2ade 100755 --- a/conf/spark-env.sh.template +++ b/conf/spark-env.sh.template @@ -18,4 +18,4 @@ # - SPARK_WORKER_MEMORY, to set how much memory to use (e.g. 1000m, 2g) # - SPARK_WORKER_PORT / SPARK_WORKER_WEBUI_PORT # - SPARK_WORKER_INSTANCES, to set the number of worker processes per node - +# - SPARK_WORKER_DIR, to set the working directory of worker processes 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 46d61503bc..d2d778b756 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 @@ -31,7 +31,8 @@ import java.util.concurrent.TimeUnit; class FileClient { - private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); + private static final Logger LOG = LoggerFactory.getLogger(FileClient.class.getName()); + private final FileClientHandler handler; private Channel channel = null; private Bootstrap bootstrap = null; @@ -39,7 +40,7 @@ class FileClient { private final int connectTimeout; private final int sendTimeout = 60; // 1 min - public FileClient(FileClientHandler handler, int connectTimeout) { + FileClient(FileClientHandler handler, int connectTimeout) { this.handler = handler; this.connectTimeout = connectTimeout; } 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 fb61be1c12..264cf97d02 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 @@ -25,7 +25,7 @@ class FileClientChannelInitializer extends ChannelInitializer<SocketChannel> { private final FileClientHandler fhandler; - public FileClientChannelInitializer(FileClientHandler handler) { + FileClientChannelInitializer(FileClientHandler handler) { fhandler = handler; } 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 aea7534459..c93425e278 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 @@ -33,15 +33,14 @@ import org.slf4j.LoggerFactory; */ class FileServer { - private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); + private static final Logger LOG = LoggerFactory.getLogger(FileServer.class.getName()); private EventLoopGroup bossGroup = null; private EventLoopGroup workerGroup = null; private ChannelFuture channelFuture = null; private int port = 0; - private Thread blockingThread = null; - public FileServer(PathResolver pResolver, int port) { + FileServer(PathResolver pResolver, int port) { InetSocketAddress addr = new InetSocketAddress(port); // Configure the server. @@ -70,7 +69,8 @@ class FileServer { * Start the file server asynchronously in a new thread. */ public void start() { - blockingThread = new Thread() { + Thread blockingThread = new Thread() { + @Override public void run() { try { channelFuture.channel().closeFuture().sync(); 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 3f15ff898f..46efec8f8d 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 @@ -25,9 +25,9 @@ import io.netty.handler.codec.string.StringDecoder; class FileServerChannelInitializer extends ChannelInitializer<SocketChannel> { - PathResolver pResolver; + private final PathResolver pResolver; - public FileServerChannelInitializer(PathResolver pResolver) { + FileServerChannelInitializer(PathResolver pResolver) { this.pResolver = 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 e2d9391b4c..3ac045f944 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 @@ -31,11 +31,11 @@ import org.slf4j.LoggerFactory; class FileServerHandler extends SimpleChannelInboundHandler<String> { - private Logger LOG = LoggerFactory.getLogger(this.getClass().getName()); + private static final Logger LOG = LoggerFactory.getLogger(FileServerHandler.class.getName()); private final PathResolver pResolver; - public FileServerHandler(PathResolver pResolver){ + FileServerHandler(PathResolver pResolver){ this.pResolver = pResolver; } @@ -61,7 +61,7 @@ class FileServerHandler extends SimpleChannelInboundHandler<String> { ctx.flush(); return; } - int len = new Long(length).intValue(); + int len = (int) length; ctx.write((new FileHeader(len, blockId)).buffer()); try { ctx.write(new DefaultFileRegion(new FileInputStream(file) diff --git a/core/src/main/java/org/apache/spark/network/netty/PathResolver.java b/core/src/main/java/org/apache/spark/network/netty/PathResolver.java index 9f7ced44cf..7ad8d03efb 100755 --- a/core/src/main/java/org/apache/spark/network/netty/PathResolver.java +++ b/core/src/main/java/org/apache/spark/network/netty/PathResolver.java @@ -1,26 +1,26 @@ -/*
- * 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.network.netty;
-
-import org.apache.spark.storage.BlockId;
-import org.apache.spark.storage.FileSegment;
-
-public interface PathResolver {
- /** Get the file segment in which the given block resides. */
- public FileSegment getBlockLocation(BlockId blockId);
-}
+/* + * 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.network.netty; + +import org.apache.spark.storage.BlockId; +import org.apache.spark.storage.FileSegment; + +public interface PathResolver { + /** Get the file segment in which the given block resides. */ + FileSegment getBlockLocation(BlockId blockId); +} diff --git a/core/src/main/resources/org/apache/spark/default-log4j.properties b/core/src/main/resources/org/apache/spark/log4j-defaults.properties index d72dbadc39..d72dbadc39 100644 --- a/core/src/main/resources/org/apache/spark/default-log4j.properties +++ b/core/src/main/resources/org/apache/spark/log4j-defaults.properties diff --git a/core/src/main/scala/org/apache/spark/Logging.scala b/core/src/main/scala/org/apache/spark/Logging.scala index d519fc5a29..4a34989e50 100644 --- a/core/src/main/scala/org/apache/spark/Logging.scala +++ b/core/src/main/scala/org/apache/spark/Logging.scala @@ -104,13 +104,15 @@ trait Logging { // 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 defaultLogProps = "org/apache/spark/log4j-defaults.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") + case Some(url) => + PropertyConfigurator.configure(url) + log.info(s"Using Spark's default log4j profile: $defaultLogProps") + 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 diff --git a/core/src/main/scala/org/apache/spark/SparkConf.scala b/core/src/main/scala/org/apache/spark/SparkConf.scala index 98343e9532..2de32231e8 100644 --- a/core/src/main/scala/org/apache/spark/SparkConf.scala +++ b/core/src/main/scala/org/apache/spark/SparkConf.scala @@ -24,7 +24,7 @@ import com.typesafe.config.ConfigFactory * * @param loadDefaults whether to load values from the system properties and classpath */ -class SparkConf(loadDefaults: Boolean) extends Serializable with Cloneable { +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) @@ -67,7 +67,8 @@ class SparkConf(loadDefaults: Boolean) extends Serializable with Cloneable { /** Set JAR files to distribute to the cluster. */ def setJars(jars: Seq[String]): SparkConf = { - set("spark.jars", jars.mkString(",")) + 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.) */ @@ -164,6 +165,11 @@ class SparkConf(loadDefaults: Boolean) extends Serializable with Cloneable { getOption(key).map(_.toDouble).getOrElse(defaultValue) } + /** Get a parameter as a boolean, falling back to a default if not set */ + def getBoolean(key: String, defaultValue: Boolean): Boolean = { + getOption(key).map(_.toBoolean).getOrElse(defaultValue) + } + /** Get all executor environment variables set on this SparkConf */ def getExecutorEnv: Seq[(String, String)] = { val prefix = "spark.executorEnv." @@ -171,6 +177,9 @@ class SparkConf(loadDefaults: Boolean) extends Serializable with Cloneable { .map{case (k, v) => (k.substring(prefix.length), v)} } + /** Get all akka conf variables set on this SparkConf */ + def getAkkaConf: Seq[(String, String)] = getAll.filter {case (k, v) => k.startsWith("akka.")} + /** Does the configuration contain a given parameter? */ def contains(key: String): Boolean = settings.contains(key) diff --git a/core/src/main/scala/org/apache/spark/SparkContext.scala b/core/src/main/scala/org/apache/spark/SparkContext.scala index e80e43af6d..0e47f4e442 100644 --- a/core/src/main/scala/org/apache/spark/SparkContext.scala +++ b/core/src/main/scala/org/apache/spark/SparkContext.scala @@ -116,6 +116,10 @@ class SparkContext( throw new SparkException("An application must be set in your configuration") } + if (conf.get("spark.logConf", "false").toBoolean) { + logInfo("Spark configuration:\n" + conf.toDebugString) + } + // Set Spark driver host and port system properties conf.setIfMissing("spark.driver.host", Utils.localHostName()) conf.setIfMissing("spark.driver.port", "0") 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 5be5317f40..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 @@ -431,4 +431,10 @@ 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/deploy/ApplicationDescription.scala b/core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.scala index 19d393a0db..e38459b883 100644 --- a/core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.scala +++ b/core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.scala @@ -19,7 +19,7 @@ package org.apache.spark.deploy private[spark] class ApplicationDescription( val name: String, - val maxCores: Int, /* Integer.MAX_VALUE denotes an unlimited number of cores */ + val maxCores: Option[Int], val memoryPerSlave: Int, val command: Command, val sparkHome: String, diff --git a/core/src/main/scala/org/apache/spark/deploy/client/Client.scala b/core/src/main/scala/org/apache/spark/deploy/client/Client.scala index 9bbd635ab9..481026eaa2 100644 --- a/core/src/main/scala/org/apache/spark/deploy/client/Client.scala +++ b/core/src/main/scala/org/apache/spark/deploy/client/Client.scala @@ -24,7 +24,8 @@ import scala.concurrent.duration._ import akka.actor._ import akka.pattern.ask -import akka.remote.{DisassociatedEvent, RemotingLifecycleEvent} +import akka.remote.{AssociationErrorEvent, DisassociatedEvent, RemotingLifecycleEvent} + import org.apache.spark.{Logging, SparkConf, SparkException} import org.apache.spark.deploy.{ApplicationDescription, ExecutorState} import org.apache.spark.deploy.DeployMessages._ @@ -110,6 +111,12 @@ private[spark] class Client( } } + 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_ @@ -145,6 +152,9 @@ private[spark] class Client( 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 StopClient => markDead() sender ! true 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 ef649fd80c..28ebbdc66b 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 @@ -48,7 +48,7 @@ private[spark] object TestClient { 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()), + "TestClient", Some(1), 512, Command("spark.deploy.client.TestExecutor", Seq(), Map()), "dummy-spark-home", "ignored") val listener = new TestListener val client = new Client(actorSystem, Array(url), desc, listener, new SparkConf) diff --git a/core/src/main/scala/org/apache/spark/deploy/master/ApplicationInfo.scala b/core/src/main/scala/org/apache/spark/deploy/master/ApplicationInfo.scala index 5150b7c7de..3e26379166 100644 --- a/core/src/main/scala/org/apache/spark/deploy/master/ApplicationInfo.scala +++ b/core/src/main/scala/org/apache/spark/deploy/master/ApplicationInfo.scala @@ -28,7 +28,8 @@ private[spark] class ApplicationInfo( val desc: ApplicationDescription, val submitDate: Date, val driver: ActorRef, - val appUiUrl: String) + val appUiUrl: String, + defaultCores: Int) extends Serializable { @transient var state: ApplicationState.Value = _ @@ -81,7 +82,9 @@ private[spark] class ApplicationInfo( } } - def coresLeft: Int = desc.maxCores - coresGranted + private val myMaxCores = desc.maxCores.getOrElse(defaultCores) + + def coresLeft: Int = myMaxCores - coresGranted private var _retryCount = 0 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 7b696cfcca..6617b7100f 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 @@ -88,7 +88,13 @@ 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 = conf.get("spark.deploy.spreadOut", "true").toBoolean + val spreadOutApps = conf.getBoolean("spark.deploy.spreadOut", true) + + // Default maxCores for applications that don't specify it (i.e. pass Int.MaxValue) + val defaultCores = conf.getInt("spark.deploy.defaultCores", Int.MaxValue) + if (defaultCores < 1) { + throw new SparkException("spark.deploy.defaultCores must be positive") + } override def preStart() { logInfo("Starting Spark master at " + masterUrl) @@ -426,7 +432,8 @@ private[spark] class Master(host: String, port: Int, webUiPort: Int) extends Act def createApplication(desc: ApplicationDescription, driver: ActorRef): ApplicationInfo = { val now = System.currentTimeMillis() val date = new Date(now) - new ApplicationInfo(now, newApplicationId(date), desc, date, driver, desc.appUiUrl) + new ApplicationInfo( + now, newApplicationId(date), desc, date, driver, desc.appUiUrl, defaultCores) } def registerApplication(app: ApplicationInfo): Unit = { 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 9858717d13..73fc37444e 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 @@ -38,7 +38,7 @@ private[spark] class SparkDeploySchedulerBackend( var stopping = false var shutdownCallback : (SparkDeploySchedulerBackend) => Unit = _ - val maxCores = conf.get("spark.cores.max", Int.MaxValue.toString).toInt + val maxCores = conf.getOption("spark.cores.max").map(_.toInt) override def start() { super.start() 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 22465272f3..36a37af4f8 100644 --- a/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala +++ b/core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala @@ -27,6 +27,7 @@ import org.apache.spark.SparkConf * 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 = _ @@ -53,8 +54,18 @@ private[spark] class SerializerManager { if (serializer == null) { val clsLoader = Thread.currentThread.getContextClassLoader val cls = Class.forName(clsName, true, clsLoader) - val constructor = cls.getConstructor(classOf[SparkConf]) - serializer = constructor.newInstance(conf).asInstanceOf[Serializer] + + // 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/util/AkkaUtils.scala b/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala index b4c4e1dbbc..3f009a8998 100644 --- a/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala +++ b/core/src/main/scala/org/apache/spark/util/AkkaUtils.scala @@ -17,10 +17,13 @@ package org.apache.spark.util +import scala.collection.JavaConversions.mapAsJavaMap 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 /** @@ -47,15 +50,23 @@ private[spark] object AkkaUtils { val akkaTimeout = conf.get("spark.akka.timeout", "100").toInt val akkaFrameSize = conf.get("spark.akka.frameSize", "10").toInt - val lifecycleEvents = - if (conf.get("spark.akka.logLifecycleEvents", "false").toBoolean) "on" else "off" + 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 logAkkaConfig = if (conf.get("spark.akka.logAkkaConfig", "false").toBoolean) "on" else "off" val akkaHeartBeatPauses = conf.get("spark.akka.heartbeat.pauses", "600").toInt val akkaFailureDetector = conf.get("spark.akka.failure-detector.threshold", "300.0").toDouble val akkaHeartBeatInterval = conf.get("spark.akka.heartbeat.interval", "1000").toInt - val akkaConf = ConfigFactory.parseString( + val akkaConf = ConfigFactory.parseMap(conf.getAkkaConf.toMap[String, String]).withFallback( + ConfigFactory.parseString( s""" |akka.daemonic = on |akka.loggers = [""akka.event.slf4j.Slf4jLogger""] @@ -73,8 +84,11 @@ 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 - """.stripMargin) + |akka.log-dead-letters = $lifecycleEvents + |akka.log-dead-letters-during-shutdown = $lifecycleEvents + """.stripMargin)) val actorSystem = if (indestructible) { IndestructibleActorSystem(name, akkaConf) diff --git a/core/src/test/scala/org/apache/spark/deploy/JsonProtocolSuite.scala b/core/src/test/scala/org/apache/spark/deploy/JsonProtocolSuite.scala index 0b38e239f9..331fa3a642 100644 --- a/core/src/test/scala/org/apache/spark/deploy/JsonProtocolSuite.scala +++ b/core/src/test/scala/org/apache/spark/deploy/JsonProtocolSuite.scala @@ -70,10 +70,11 @@ class JsonProtocolSuite extends FunSuite { def createAppDesc() : ApplicationDescription = { val cmd = new Command("mainClass", List("arg1", "arg2"), Map()) - new ApplicationDescription("name", 4, 1234, cmd, "sparkHome", "appUiUrl") + new ApplicationDescription("name", Some(4), 1234, cmd, "sparkHome", "appUiUrl") } def createAppInfo() : ApplicationInfo = { - new ApplicationInfo(3, "id", createAppDesc(), new Date(123456789), null, "appUriStr") + new ApplicationInfo( + 3, "id", createAppDesc(), new Date(123456789), null, "appUriStr", Int.MaxValue) } def createWorkerInfo() : WorkerInfo = { new WorkerInfo("id", "host", 8080, 4, 1234, null, 80, "publicAddress") 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 f58b1ee05a..be93074b7b 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 @@ -26,8 +26,8 @@ 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.get("SPARK_HOME").orElse(sys.env.get("spark.home")).get - val appDesc = new ApplicationDescription("app name", 8, 500, Command("foo", Seq(),Map()), + val sparkHome = sys.env.get("SPARK_HOME").orElse(sys.props.get("spark.home")).get + val appDesc = new ApplicationDescription("app name", Some(8), 500, Command("foo", Seq(),Map()), sparkHome, "appUiUrl") val appId = "12345-worker321-9876" val er = new ExecutorRunner(appId, 1, appDesc, 8, 500, null, "blah", "worker321", f(sparkHome), 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 032c2f2f69..f60ce270c7 100644 --- a/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala +++ b/core/src/test/scala/org/apache/spark/storage/BlockManagerSuite.scala @@ -40,8 +40,6 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT var actorSystem: ActorSystem = null var master: BlockManagerMaster = null var oldArch: String = null - var oldOops: String = null - var oldHeartBeat: String = null // Reuse a serializer across tests to avoid creating a new thread-local buffer on each test conf.set("spark.kryoserializer.buffer.mb", "1") @@ -61,7 +59,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT actorSystem.actorOf(Props(new BlockManagerMasterActor(true, conf))), conf) // Set the arch to 64-bit and compressedOops to true to get a deterministic test-case - System.setProperty("os.arch", "amd64") + oldArch = System.setProperty("os.arch", "amd64") conf.set("os.arch", "amd64") conf.set("spark.test.useCompressedOops", "true") conf.set("spark.storage.disableBlockManagerHeartBeat", "true") @@ -94,11 +92,7 @@ class BlockManagerSuite extends FunSuite with BeforeAndAfter with PrivateMethodT System.clearProperty("os.arch") } - if (oldOops != null) { - conf.set("spark.test.useCompressedOops", oldOops) - } else { - System.clearProperty("spark.test.useCompressedOops") - } + System.clearProperty("spark.test.useCompressedOops") } test("StorageLevel object caching") { diff --git a/docs/README.md b/docs/README.md index e3d6c9a5bc..dfcf753553 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 doc` from the SPARK_PROJECT_ROOT directory. +You can build just the Spark scaladoc by running `sbt/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 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/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/_plugins/copy_api_dirs.rb b/docs/_plugins/copy_api_dirs.rb index ef9912c808..431de909cb 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 doc from " + pwd + "; this may take a few minutes..." - puts `sbt doc` + puts "Running sbt/sbt doc from " + pwd + "; this may take a few minutes..." + puts `sbt/sbt doc` puts "Moving back into docs dir." cd("docs") diff --git a/docs/api.md b/docs/api.md index 11e2c15324..e86d07770a 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 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/sbt doc` from the Spark project home directory. - [Spark](api/core/index.html) - [Spark Examples](api/examples/index.html) diff --git a/docs/configuration.md b/docs/configuration.md index 567aba07f0..1d6c3d1633 100644 --- a/docs/configuration.md +++ b/docs/configuration.md @@ -77,12 +77,14 @@ there are at least five properties that you will commonly want to control: </tr> <tr> <td>spark.cores.max</td> - <td>(infinite)</td> + <td>(not set)</td> <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 - offered by the cluster manager. + sharing mode</a>, the maximum amount of CPU cores to request for the application from + across the cluster (not from each machine). If not set, the default will be + <code>spark.deploy.defaultCores</code> on Spark's standalone cluster manager, or + infinite (all available cores) on Mesos. </td> </tr> </table> @@ -360,6 +362,14 @@ Apart from these, the following properties are also available, and may be useful </td> </tr> <tr> + <td>akka.x.y....</td> + <td>value</td> + <td> + An arbitrary akka configuration can be set directly on spark conf and it is applied for all the ActorSystems created spark wide for that SparkContext and its assigned executors as well. + </td> +</tr> + +<tr> <td>spark.shuffle.consolidateFiles</td> <td>false</td> <td> @@ -394,6 +404,37 @@ Apart from these, the following properties are also available, and may be useful How many times slower a task is than the median to be considered for speculation. </td> </tr> +<tr> + <td>spark.logConf</td> + <td>false</td> + <td> + Log the supplied SparkConf as INFO at start of spark context. + </td> +</tr> +<tr> + <td>spark.deploy.spreadOut</td> + <td>true</td> + <td> + Whether the standalone cluster manager should spread applications out across nodes or try + to consolidate them onto as few nodes as possible. Spreading out is usually better for + data locality in HDFS, but consolidating is more efficient for compute-intensive workloads. <br/> + <b>Note:</b> this setting needs to be configured in the standalone cluster master, not in individual + applications; you can set it through <code>SPARK_JAVA_OPTS</code> in <code>spark-env.sh</code>. + </td> +</tr> +<tr> + <td>spark.deploy.defaultCores</td> + <td>(infinite)</td> + <td> + Default number of cores to give to applications in Spark's standalone mode if they don't + set <code>spark.cores.max</code>. If not set, applications always get all available + cores unless they configure <code>spark.cores.max</code> themselves. + Set this lower on a shared cluster to prevent users from grabbing + the whole cluster by default. <br/> + <b>Note:</b> this setting needs to be configured in the standalone cluster master, not in individual + applications; you can set it through <code>SPARK_JAVA_OPTS</code> in <code>spark-env.sh</code>. + </td> +</tr> </table> ## Viewing Spark Properties diff --git a/docs/css/bootstrap.min.css b/docs/css/bootstrap.min.css index 119bb5dba7..30ea440c00 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. - 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b/docs/hadoop-third-party-distributions.md index 141d475ba6..de6a2b0a43 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 assembly + SPARK_HADOOP_VERSION=1.0.4 sbt/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 bf8d1c3375..86d574daaa 100644 --- a/docs/index.md +++ b/docs/index.md @@ -17,7 +17,7 @@ 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 assembly + sbt/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/). @@ -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 assembly + SPARK_HADOOP_VERSION=2.2.0 sbt/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 assembly + SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/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/job-scheduling.md b/docs/job-scheduling.md index 5951155fe3..df2faa5e41 100644 --- a/docs/job-scheduling.md +++ b/docs/job-scheduling.md @@ -32,9 +32,8 @@ 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` 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. + the number of nodes an application uses by setting the `spark.cores.max` configuration property in it, + or change the default for applications that don't set this setting through `spark.deploy.defaultCores`. 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` configuration property to `true`, diff --git a/docs/python-programming-guide.md b/docs/python-programming-guide.md index 5d48cb676a..dc187b3efe 100644 --- a/docs/python-programming-guide.md +++ b/docs/python-programming-guide.md @@ -69,7 +69,7 @@ The script automatically adds the `bin/pyspark` package to the `PYTHONPATH`. 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 assembly +$ sbt/sbt assembly $ ./bin/pyspark {% endhighlight %} diff --git a/docs/quick-start.md b/docs/quick-start.md index 9b9261cfff..153081bdaa 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 assembly +$ sbt/sbt assembly {% endhighlight %} # Interactive Analysis with the Spark Shell @@ -146,7 +146,7 @@ If you also wish to read data from Hadoop's HDFS, you will also need to add a de libraryDependencies += "org.apache.hadoop" % "hadoop-client" % "<your-hdfs-version>" {% endhighlight %} -Finally, for sbt to work correctly, we'll need to layout `SimpleApp.scala` and `simple.sbt` according to the typical directory structure. Once that is in place, we can create a JAR package containing the application's code, then use `sbt run` to execute our program. +Finally, for sbt to work correctly, we'll need to layout `SimpleApp.scala` and `simple.sbt` according to the typical directory structure. Once that is in place, we can create a JAR package containing the application's code, then use `sbt/sbt run` to execute our program. {% highlight bash %} $ find . @@ -157,8 +157,8 @@ $ find . ./src/main/scala ./src/main/scala/SimpleApp.scala -$ sbt package -$ sbt run +$ sbt/sbt package +$ sbt/sbt run ... Lines with a: 46, Lines with b: 23 {% endhighlight %} diff --git a/docs/running-on-yarn.md b/docs/running-on-yarn.md index a35e003cdc..717071d72c 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 assembly + SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/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 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/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 @@ -72,7 +72,7 @@ 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 assembly + $ SPARK_HADOOP_VERSION=2.0.5-alpha SPARK_YARN=true sbt/sbt assembly # Configure logging $ cp conf/log4j.properties.template conf/log4j.properties diff --git a/docs/scala-programming-guide.md b/docs/scala-programming-guide.md index 3d0e8923d5..c1ef46a1cd 100644 --- a/docs/scala-programming-guide.md +++ b/docs/scala-programming-guide.md @@ -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 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/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: diff --git a/docs/spark-standalone.md b/docs/spark-standalone.md index c851833a18..f47d41f966 100644 --- a/docs/spark-standalone.md +++ b/docs/spark-standalone.md @@ -167,6 +167,16 @@ val conf = new SparkConf() val sc = new SparkContext(conf) {% endhighlight %} +In addition, you can configure `spark.deploy.defaultCores` on the cluster master process to change the +default for applications that don't set `spark.cores.max` to something less than infinite. +Do this by adding the following to `conf/spark-env.sh`: + +{% highlight bash %} +export SPARK_JAVA_OPTS="-Dspark.deploy.defaultCores=<value>" +{% endhighlight %} + +This is useful on shared clusters where users might not have configured a maximum number of cores +individually. # Monitoring and Logging diff --git a/examples/pom.xml b/examples/pom.xml index 7a7032c319..7e41bef252 100644 --- a/examples/pom.xml +++ b/examples/pom.xml @@ -203,6 +203,9 @@ <transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer"> <resource>reference.conf</resource> </transformer> + <transformer implementation="org.apache.maven.plugins.shade.resource.DontIncludeResourceTransformer"> + <resource>log4j.properties</resource> + </transformer> </transformers> </configuration> </execution> 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..d552c47b22 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaHdfsLR.java @@ -24,19 +24,19 @@ import org.apache.spark.api.java.function.Function2; import java.io.Serializable; import java.util.Arrays; -import java.util.StringTokenizer; import java.util.Random; +import java.util.regex.Pattern; /** * Logistic regression based classification. */ -public class JavaHdfsLR { +public final class JavaHdfsLR { - static int D = 10; // Number of dimensions - static Random rand = new Random(42); + private static final int D = 10; // Number of dimensions + private static final Random rand = new Random(42); static class DataPoint implements Serializable { - public DataPoint(double[] x, double y) { + DataPoint(double[] x, double y) { this.x = x; this.y = y; } @@ -46,20 +46,22 @@ public class JavaHdfsLR { } static class ParsePoint extends Function<String, DataPoint> { + private static final Pattern SPACE = Pattern.compile(" "); + + @Override public DataPoint call(String line) { - StringTokenizer tok = new StringTokenizer(line, " "); - double y = Double.parseDouble(tok.nextToken()); + String[] tok = SPACE.split(line); + double y = Double.parseDouble(tok[0]); double[] x = new double[D]; - int i = 0; - while (i < D) { - x[i] = Double.parseDouble(tok.nextToken()); - i += 1; + for (int i = 0; i < D; i++) { + x[i] = Double.parseDouble(tok[i + 1]); } return new DataPoint(x, y); } } static class VectorSum extends Function2<double[], double[], double[]> { + @Override public double[] call(double[] a, double[] b) { double[] result = new double[D]; for (int j = 0; j < D; j++) { @@ -70,12 +72,13 @@ public class JavaHdfsLR { } static class ComputeGradient extends Function<DataPoint, double[]> { - double[] weights; + private final double[] weights; - public ComputeGradient(double[] weights) { + ComputeGradient(double[] weights) { this.weights = weights; } + @Override public double[] call(DataPoint p) { double[] gradient = new double[D]; for (int i = 0; i < D; i++) { @@ -106,7 +109,7 @@ 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..0dc879275a 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaKMeans.java @@ -27,19 +27,24 @@ import org.apache.spark.util.Vector; import java.util.List; import java.util.Map; +import java.util.regex.Pattern; /** * K-means clustering using Java API. */ -public class JavaKMeans { +public final class JavaKMeans { + + private static final Pattern SPACE = Pattern.compile(" "); /** Parses numbers split by whitespace to a vector */ static Vector parseVector(String line) { - String[] splits = line.split(" "); + String[] splits = SPACE.split(line); double[] data = new double[splits.length]; int i = 0; - for (String s : splits) - data[i] = Double.parseDouble(splits[i++]); + for (String s : splits) { + data[i] = Double.parseDouble(s); + i++; + } return new Vector(data); } @@ -74,7 +79,7 @@ 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]); @@ -82,7 +87,7 @@ public class JavaKMeans { JavaRDD<Vector> data = sc.textFile(path).map( new Function<String, Vector>() { @Override - public Vector call(String line) throws Exception { + public Vector call(String line) { return parseVector(line); } } @@ -96,7 +101,7 @@ public class JavaKMeans { JavaPairRDD<Integer, Vector> closest = data.map( new PairFunction<Vector, Integer, Vector>() { @Override - public Tuple2<Integer, Vector> call(Vector vector) throws Exception { + public Tuple2<Integer, Vector> call(Vector vector) { return new Tuple2<Integer, Vector>( closestPoint(vector, centroids), vector); } @@ -107,7 +112,8 @@ public class JavaKMeans { JavaPairRDD<Integer, List<Vector>> pointsGroup = closest.groupByKey(); Map<Integer, Vector> newCentroids = pointsGroup.mapValues( new Function<List<Vector>, Vector>() { - public Vector call(List<Vector> ps) throws Exception { + @Override + public Vector call(List<Vector> ps) { return average(ps); } }).collectAsMap(); @@ -122,8 +128,9 @@ public class JavaKMeans { } while (tempDist > convergeDist); System.out.println("Final centers:"); - for (Vector c : centroids) + for (Vector c : centroids) { System.out.println(c); + } System.exit(0); 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..9eb1cadd71 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaLogQuery.java @@ -35,9 +35,9 @@ import java.util.regex.Pattern; /** * Executes a roll up-style query against Apache logs. */ -public class JavaLogQuery { +public final class JavaLogQuery { - public static List<String> exampleApacheLogs = Lists.newArrayList( + public static final List<String> exampleApacheLogs = Lists.newArrayList( "10.10.10.10 - \"FRED\" [18/Jan/2013:17:56:07 +1100] \"GET http://images.com/2013/Generic.jpg " + "HTTP/1.1\" 304 315 \"http://referall.com/\" \"Mozilla/4.0 (compatible; MSIE 7.0; " + "Windows NT 5.1; GTB7.4; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; " + @@ -51,14 +51,14 @@ public class JavaLogQuery { "3.5.30729; Release=ARP)\" \"UD-1\" - \"image/jpeg\" \"whatever\" 0.352 \"-\" - \"\" 256 977 988 \"\" " + "0 73.23.2.15 images.com 1358492557 - Whatup"); - public static Pattern apacheLogRegex = Pattern.compile( + public static final Pattern apacheLogRegex = Pattern.compile( "^([\\d.]+) (\\S+) (\\S+) \\[([\\w\\d:/]+\\s[+\\-]\\d{4})\\] \"(.+?)\" (\\d{3}) ([\\d\\-]+) \"([^\"]+)\" \"([^\"]+)\".*"); /** Tracks the total query count and number of aggregate bytes for a particular group. */ public static class Stats implements Serializable { - private int count; - private int numBytes; + private final int count; + private final int numBytes; public Stats(int count, int numBytes) { this.count = count; @@ -92,32 +92,32 @@ public class JavaLogQuery { if (m.find()) { int bytes = Integer.parseInt(m.group(7)); return new Stats(1, bytes); - } - else + } else { return new Stats(1, 0); + } } - public static void main(String[] args) throws Exception { + public static void main(String[] args) { if (args.length == 0) { System.err.println("Usage: JavaLogQuery <master> [logFile]"); System.exit(1); } 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); JavaPairRDD<Tuple3<String, String, String>, Stats> extracted = dataSet.map(new PairFunction<String, Tuple3<String, String, String>, Stats>() { @Override - public Tuple2<Tuple3<String, String, String>, Stats> call(String s) throws Exception { + public Tuple2<Tuple3<String, String, String>, Stats> call(String s) { return new Tuple2<Tuple3<String, String, String>, Stats>(extractKey(s), extractStats(s)); } }); JavaPairRDD<Tuple3<String, String, String>, Stats> counts = extracted.reduceByKey(new Function2<Stats, Stats, Stats>() { @Override - public Stats call(Stats stats, Stats stats2) throws Exception { + public Stats call(Stats stats, Stats stats2) { return stats.merge(stats2); } }); 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..a84245b0c7 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaPageRank.java @@ -28,6 +28,7 @@ import org.apache.spark.api.java.function.PairFunction; import java.util.List; import java.util.ArrayList; +import java.util.regex.Pattern; /** * Computes the PageRank of URLs from an input file. Input file should @@ -38,7 +39,9 @@ import java.util.ArrayList; * ... * where URL and their neighbors are separated by space(s). */ -public class JavaPageRank { +public final class JavaPageRank { + private static final Pattern SPACES = Pattern.compile("\\s+"); + private static class Sum extends Function2<Double, Double, Double> { @Override public Double call(Double a, Double b) { @@ -53,7 +56,7 @@ 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 @@ -66,7 +69,7 @@ public class JavaPageRank { JavaPairRDD<String, List<String>> links = lines.map(new PairFunction<String, String, String>() { @Override public Tuple2<String, String> call(String s) { - String[] parts = s.split("\\s+"); + String[] parts = SPACES.split(s); return new Tuple2<String, String>(parts[0], parts[1]); } }).distinct().groupByKey().cache(); @@ -74,7 +77,7 @@ public class JavaPageRank { // Loads all URLs with other URL(s) link to from input file and initialize ranks of them to one. JavaPairRDD<String, Double> ranks = links.mapValues(new Function<List<String>, Double>() { @Override - public Double call(List<String> rs) throws Exception { + public Double call(List<String> rs) { return 1.0; } }); @@ -97,7 +100,7 @@ public class JavaPageRank { // Re-calculates URL ranks based on neighbor contributions. ranks = contribs.reduceByKey(new Sum()).mapValues(new Function<Double, Double>() { @Override - public Double call(Double sum) throws Exception { + public Double call(Double sum) { return 0.15 + sum * 0.85; } }); 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..3ec4a58d48 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaSparkPi.java @@ -26,8 +26,7 @@ import java.util.ArrayList; import java.util.List; /** Computes an approximation to pi */ -public class JavaSparkPi { - +public final class JavaSparkPi { public static void main(String[] args) throws Exception { if (args.length == 0) { @@ -36,26 +35,27 @@ 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; List<Integer> l = new ArrayList<Integer>(n); - for (int i = 0; i < n; i++) + for (int i = 0; i < n; i++) { l.add(i); + } JavaRDD<Integer> dataSet = jsc.parallelize(l, slices); int count = dataSet.map(new Function<Integer, Integer>() { @Override - public Integer call(Integer integer) throws Exception { + public Integer call(Integer integer) { double x = Math.random() * 2 - 1; double y = Math.random() * 2 - 1; return (x * x + y * y < 1) ? 1 : 0; } }).reduce(new Function2<Integer, Integer, Integer>() { @Override - public Integer call(Integer integer, Integer integer2) throws Exception { + public Integer call(Integer integer, Integer integer2) { return integer + integer2; } }); 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..2ceb0fd94b 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaTC.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaTC.java @@ -31,11 +31,11 @@ import java.util.Set; /** * Transitive closure on a graph, implemented in Java. */ -public class JavaTC { +public final class JavaTC { - static int numEdges = 200; - static int numVertices = 100; - static Random rand = new Random(42); + private static final int numEdges = 200; + private static final int numVertices = 100; + private static final Random rand = new Random(42); static List<Tuple2<Integer, Integer>> generateGraph() { Set<Tuple2<Integer, Integer>> edges = new HashSet<Tuple2<Integer, Integer>>(numEdges); @@ -43,15 +43,18 @@ public class JavaTC { int from = rand.nextInt(numVertices); int to = rand.nextInt(numVertices); Tuple2<Integer, Integer> e = new Tuple2<Integer, Integer>(from, to); - if (from != to) edges.add(e); + if (from != to) { + edges.add(e); + } } return new ArrayList<Tuple2<Integer, Integer>>(edges); } static class ProjectFn extends PairFunction<Tuple2<Integer, Tuple2<Integer, Integer>>, Integer, Integer> { - static ProjectFn INSTANCE = new ProjectFn(); + static final ProjectFn INSTANCE = new ProjectFn(); + @Override public Tuple2<Integer, Integer> call(Tuple2<Integer, Tuple2<Integer, Integer>> triple) { return new Tuple2<Integer, Integer>(triple._2()._2(), triple._2()._1()); } @@ -64,7 +67,7 @@ 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(); @@ -76,6 +79,7 @@ public class JavaTC { // Because join() joins on keys, the edges are stored in reversed order. JavaPairRDD<Integer, Integer> edges = tc.map( new PairFunction<Tuple2<Integer, Integer>, Integer, Integer>() { + @Override public Tuple2<Integer, Integer> call(Tuple2<Integer, Integer> e) { return new Tuple2<Integer, Integer>(e._2(), e._1()); } 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..6651f98d56 100644 --- a/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java +++ b/examples/src/main/java/org/apache/spark/examples/JavaWordCount.java @@ -27,8 +27,11 @@ import org.apache.spark.api.java.function.PairFunction; import java.util.Arrays; import java.util.List; +import java.util.regex.Pattern; + +public final class JavaWordCount { + private static final Pattern SPACE = Pattern.compile(" "); -public class JavaWordCount { public static void main(String[] args) throws Exception { if (args.length < 2) { System.err.println("Usage: JavaWordCount <master> <file>"); @@ -36,22 +39,25 @@ 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>() { + @Override public Iterable<String> call(String s) { - return Arrays.asList(s.split(" ")); + return Arrays.asList(SPACE.split(s)); } }); JavaPairRDD<String, Integer> ones = words.map(new PairFunction<String, String, Integer>() { + @Override public Tuple2<String, Integer> call(String s) { return new Tuple2<String, Integer>(s, 1); } }); JavaPairRDD<String, Integer> counts = ones.reduceByKey(new Function2<Integer, Integer, Integer>() { + @Override public Integer call(Integer i1, Integer i2) { return i1 + i2; } 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..435a86e62a 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 @@ -26,28 +26,32 @@ import org.apache.spark.mllib.recommendation.MatrixFactorizationModel; import org.apache.spark.mllib.recommendation.Rating; import java.util.Arrays; -import java.util.StringTokenizer; +import java.util.regex.Pattern; import scala.Tuple2; /** * Example using MLLib ALS from Java. */ -public class JavaALS { +public final class JavaALS { static class ParseRating extends Function<String, Rating> { + private static final Pattern COMMA = Pattern.compile(","); + + @Override public Rating call(String line) { - StringTokenizer tok = new StringTokenizer(line, ","); - int x = Integer.parseInt(tok.nextToken()); - int y = Integer.parseInt(tok.nextToken()); - double rating = Double.parseDouble(tok.nextToken()); + String[] tok = COMMA.split(line); + int x = Integer.parseInt(tok[0]); + int y = Integer.parseInt(tok[1]); + double rating = Double.parseDouble(tok[2]); return new Rating(x, y, rating); } } static class FeaturesToString extends Function<Tuple2<Object, double[]>, String> { + @Override public String call(Tuple2<Object, double[]> element) { - return element._1().toString() + "," + Arrays.toString(element._2()); + return element._1() + "," + Arrays.toString(element._2()); } } @@ -68,7 +72,7 @@ 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..4b2658f257 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 @@ -25,20 +25,22 @@ import org.apache.spark.mllib.clustering.KMeans; import org.apache.spark.mllib.clustering.KMeansModel; import java.util.Arrays; -import java.util.StringTokenizer; +import java.util.regex.Pattern; /** * Example using MLLib KMeans from Java. */ -public class JavaKMeans { +public final class JavaKMeans { static class ParsePoint extends Function<String, double[]> { + private static final Pattern SPACE = Pattern.compile(" "); + + @Override public double[] call(String line) { - StringTokenizer tok = new StringTokenizer(line, " "); - int numTokens = tok.countTokens(); - double[] point = new double[numTokens]; - for (int i = 0; i < numTokens; ++i) { - point[i] = Double.parseDouble(tok.nextToken()); + String[] tok = SPACE.split(line); + double[] point = new double[tok.length]; + for (int i = 0; i < tok.length; ++i) { + point[i] = Double.parseDouble(tok[i]); } return point; } @@ -62,7 +64,7 @@ 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..21586ce817 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 @@ -27,22 +27,25 @@ import org.apache.spark.mllib.classification.LogisticRegressionModel; import org.apache.spark.mllib.regression.LabeledPoint; import java.util.Arrays; -import java.util.StringTokenizer; +import java.util.regex.Pattern; /** * Logistic regression based classification using ML Lib. */ -public class JavaLR { +public final class JavaLR { static class ParsePoint extends Function<String, LabeledPoint> { + private static final Pattern COMMA = Pattern.compile(","); + private static final Pattern SPACE = Pattern.compile(" "); + + @Override public LabeledPoint call(String line) { - String[] parts = line.split(","); + String[] parts = COMMA.split(line); double y = Double.parseDouble(parts[0]); - StringTokenizer tok = new StringTokenizer(parts[1], " "); - int numTokens = tok.countTokens(); - double[] x = new double[numTokens]; - for (int i = 0; i < numTokens; ++i) { - x[i] = Double.parseDouble(tok.nextToken()); + String[] tok = SPACE.split(parts[1]); + double[] x = new double[tok.length]; + for (int i = 0; i < tok.length; ++i) { + x[i] = Double.parseDouble(tok[i]); } return new LabeledPoint(y, x); } @@ -59,7 +62,7 @@ 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..fd683ce0d3 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 @@ -36,7 +36,10 @@ import org.apache.spark.streaming.dstream.SparkFlumeEvent; * creates a server and listens for flume events. * <port> is the port the Flume receiver will listen on. */ -public class JavaFlumeEventCount { +public final class JavaFlumeEventCount { + private JavaFlumeEventCount() { + } + public static void main(String[] args) { if (args.length != 3) { System.err.println("Usage: JavaFlumeEventCount <master> <host> <port>"); @@ -50,7 +53,8 @@ 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 75b588e4b8..d8b4f4dddd 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 @@ -19,6 +19,7 @@ package org.apache.spark.streaming.examples; import java.util.Map; import java.util.HashMap; +import java.util.regex.Pattern; import com.google.common.collect.Lists; import org.apache.spark.api.java.function.FlatMapFunction; @@ -45,7 +46,12 @@ import scala.Tuple2; * zoo03 my-consumer-group topic1,topic2 1` */ -public class JavaKafkaWordCount { +public final class JavaKafkaWordCount { + private static final Pattern SPACE = Pattern.compile(" "); + + private JavaKafkaWordCount() { + } + public static void main(String[] args) { if (args.length < 5) { System.err.println("Usage: KafkaWordCount <master> <zkQuorum> <group> <topics> <numThreads>"); @@ -54,7 +60,8 @@ public class JavaKafkaWordCount { // Create the context with a 1 second batch size JavaStreamingContext ssc = new JavaStreamingContext(args[0], "KafkaWordCount", - new Duration(2000), System.getenv("SPARK_HOME"), System.getenv("SPARK_EXAMPLES_JAR")); + 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>(); @@ -67,7 +74,7 @@ public class JavaKafkaWordCount { JavaDStream<String> lines = messages.map(new Function<Tuple2<String, String>, String>() { @Override - public String call(Tuple2<String, String> tuple2) throws Exception { + public String call(Tuple2<String, String> tuple2) { return tuple2._2(); } }); @@ -75,19 +82,19 @@ public class JavaKafkaWordCount { JavaDStream<String> words = lines.flatMap(new FlatMapFunction<String, String>() { @Override public Iterable<String> call(String x) { - return Lists.newArrayList(x.split(" ")); + return Lists.newArrayList(SPACE.split(x)); } }); JavaPairDStream<String, Integer> wordCounts = words.map( new PairFunction<String, String, Integer>() { @Override - public Tuple2<String, Integer> call(String s) throws Exception { + public Tuple2<String, Integer> call(String s) { return new Tuple2<String, Integer>(s, 1); } }).reduceByKey(new Function2<Integer, Integer, Integer>() { @Override - public Integer call(Integer i1, Integer i2) throws Exception { + public Integer call(Integer i1, Integer i2) { return i1 + i2; } }); 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..1e2efd359c 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 @@ -27,6 +27,8 @@ import org.apache.spark.streaming.api.java.JavaDStream; import org.apache.spark.streaming.api.java.JavaPairDStream; import org.apache.spark.streaming.api.java.JavaStreamingContext; +import java.util.regex.Pattern; + /** * Counts words in UTF8 encoded, '\n' delimited text received from the network every second. * Usage: NetworkWordCount <master> <hostname> <port> @@ -38,7 +40,12 @@ import org.apache.spark.streaming.api.java.JavaStreamingContext; * and then run the example * `$ ./run spark.streaming.examples.JavaNetworkWordCount local[2] localhost 9999` */ -public class JavaNetworkWordCount { +public final class JavaNetworkWordCount { + private static final Pattern SPACE = Pattern.compile(" "); + + private JavaNetworkWordCount() { + } + public static void main(String[] args) { if (args.length < 3) { System.err.println("Usage: NetworkWordCount <master> <hostname> <port>\n" + @@ -48,7 +55,8 @@ 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') @@ -56,18 +64,18 @@ public class JavaNetworkWordCount { JavaDStream<String> words = lines.flatMap(new FlatMapFunction<String, String>() { @Override public Iterable<String> call(String x) { - return Lists.newArrayList(x.split(" ")); + return Lists.newArrayList(SPACE.split(x)); } }); JavaPairDStream<String, Integer> wordCounts = words.map( new PairFunction<String, String, Integer>() { @Override - public Tuple2<String, Integer> call(String s) throws Exception { + public Tuple2<String, Integer> call(String s) { return new Tuple2<String, Integer>(s, 1); } }).reduceByKey(new Function2<Integer, Integer, Integer>() { @Override - public Integer call(Integer i1, Integer i2) throws Exception { + public Integer call(Integer i1, Integer i2) { return i1 + i2; } }); 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..e05551ab83 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 @@ -31,8 +31,11 @@ import java.util.LinkedList; import java.util.List; import java.util.Queue; -public class JavaQueueStream { - public static void main(String[] args) throws InterruptedException { +public final class JavaQueueStream { + private JavaQueueStream() { + } + + public static void main(String[] args) throws Exception { if (args.length < 1) { System.err.println("Usage: JavaQueueStream <master>"); System.exit(1); @@ -40,7 +43,7 @@ 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 @@ -62,14 +65,14 @@ public class JavaQueueStream { JavaPairDStream<Integer, Integer> mappedStream = inputStream.map( new PairFunction<Integer, Integer, Integer>() { @Override - public Tuple2<Integer, Integer> call(Integer i) throws Exception { + public Tuple2<Integer, Integer> call(Integer i) { return new Tuple2<Integer, Integer>(i % 10, 1); } }); JavaPairDStream<Integer, Integer> reducedStream = mappedStream.reduceByKey( new Function2<Integer, Integer, Integer>() { @Override - public Integer call(Integer i1, Integer i2) throws Exception { + public Integer call(Integer i1, Integer i2) { return i1 + i2; } }); 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/streaming/examples/ActorWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala index 3641517934..4e0058cd70 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 @@ -134,9 +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 - * `$ ./bin/run-example spark.streaming.examples.FeederActor 127.0.1.1 9999` + * `$ ./bin/run-example org.apache.spark.streaming.examples.FeederActor 127.0.1.1 9999` * and then run the example - * `$ ./bin/run-example spark.streaming.examples.ActorWordCount local[2] 127.0.1.1 9999` + * `$ ./bin/run-example org.apache.spark.streaming.examples.ActorWordCount local[2] 127.0.1.1 9999` */ object ActorWordCount { def main(args: Array[String]) { @@ -151,7 +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 61be1ce4b1..ea6ea67419 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 - * `$ ./bin/run-example spark.streaming.examples.HdfsWordCount local[2] localdir` + * `$ ./bin/run-example org.apache.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 8dc8a3531a..197461655e 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: - * `./bin/run-example spark.streaming.examples.KafkaWordCount local[2] zoo01,zoo02,zoo03 my-consumer-group topic1,topic2 1` + * `./bin/run-example org.apache.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 ea138f55e8..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 @@ -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 ce8df8c502..6a32c75373 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 - * `$ ./bin/run-example spark.streaming.examples.NetworkWordCount local[2] localhost 9999` + * `$ ./bin/run-example org.apache.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 e55d71edfc..002db57d59 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 - * `$ ./bin/run-example spark.streaming.examples.StatefulNetworkWordCount local[2] localhost 9999` + * `$ ./bin/run-example org.apache.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 2948aa7cc4..beda73a71b 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 - * `$ ./bin/run-example spark.streaming.examples.SimpleZeroMQPublisher tcp://127.0.1.1:1234 foo.bar` + * `$ ./bin/run-example org.apache.spark.streaming.examples.SimpleZeroMQPublisher tcp://127.0.1.1:1234 foo.bar` * and run the example as - * `$ ./bin/run-example spark.streaming.examples.ZeroMQWordCount local[2] tcp://127.0.1.1:1234 foo` + * `$ ./bin/run-example org.apache.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 1a40fdb9a3..4fe57de4a4 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: - * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 - * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 + * $ ./bin/run-example org.apache.spark.streaming.examples.clickstream.PageViewGenerator 44444 10 + * $ ./bin/run-example org.apache.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 968b578487..807af199f4 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: - * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewGenerator 44444 10 - * $ ./bin/run-example spark.streaming.examples.clickstream.PageViewStream errorRatePerZipCode localhost 44444 + * $ ./bin/run-example org.apache.spark.streaming.examples.clickstream.PageViewGenerator 44444 10 + * $ ./bin/run-example org.apache.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 6c466c8a06..1a3a5d0209 100755 --- a/make-distribution.sh +++ b/make-distribution.sh @@ -44,13 +44,16 @@ DISTDIR="$FWDIR/dist" # Get version from SBT export TERM=dumb # Prevents color codes in SBT output -if ! test `which sbt` ;then +VERSIONSTRING=$FWDIR/sbt/sbt "show version" + +if [ $? == -1 ] ;then echo -e "You need sbt installed and available on your path." echo -e "Download sbt from http://www.scala-sbt.org/" exit -1; fi -VERSION=$(sbt "show version" | tail -1 | cut -f 2 | sed 's/^\([a-zA-Z0-9.-]*\).*/\1/') +VERSION=$(echo "${VERSIONSTRING}" | tail -1 | cut -f 2 | sed 's/^\([a-zA-Z0-9.-]*\).*/\1/') +echo "Version is ${VERSION}" # Initialize defaults SPARK_HADOOP_VERSION=1.0.4 @@ -92,7 +95,7 @@ export SPARK_HADOOP_VERSION export SPARK_YARN cd $FWDIR -"sbt" "assembly/assembly" +"sbt/sbt" "assembly/assembly" # Make directories rm -rf "$DISTDIR" 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 index 8247c1ebc5..2d8623392e 100644 --- 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 @@ -197,6 +197,7 @@ class PythonMLLibAPI extends Serializable { return ret } + /** Unpack a Rating object from an array of bytes */ private def unpackRating(ratingBytes: Array[Byte]): Rating = { val bb = ByteBuffer.wrap(ratingBytes) bb.order(ByteOrder.nativeOrder()) @@ -206,6 +207,35 @@ class PythonMLLibAPI extends Serializable { return new Rating(user, product, rating) } + /** Unpack a tuple of Ints from an array of bytes */ + private[spark] def unpackTuple(tupleBytes: Array[Byte]): (Int, Int) = { + val bb = ByteBuffer.wrap(tupleBytes) + bb.order(ByteOrder.nativeOrder()) + val v1 = bb.getInt() + val v2 = bb.getInt() + (v1, v2) + } + + /** + * Serialize a Rating object into an array of bytes. + * It can be deserialized using RatingDeserializer(). + * + * @param rate + * @return + */ + private[spark] def serializeRating(rate: Rating): Array[Byte] = { + val len = 3 + val bytes = new Array[Byte](4 + 8 * len) + val bb = ByteBuffer.wrap(bytes) + bb.order(ByteOrder.nativeOrder()) + bb.putInt(len) + val db = bb.asDoubleBuffer() + db.put(rate.user.toDouble) + db.put(rate.product.toDouble) + db.put(rate.rating) + bytes + } + /** * 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 diff --git a/mllib/src/main/scala/org/apache/spark/mllib/optimization/Gradient.scala b/mllib/src/main/scala/org/apache/spark/mllib/optimization/Gradient.scala index 749e7364f4..c590492e7a 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/optimization/Gradient.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/optimization/Gradient.scala @@ -50,8 +50,8 @@ class LogisticGradient extends Gradient { val gradient = data.mul(gradientMultiplier) val loss = - if (margin > 0) { - math.log(1 + math.exp(0 - margin)) + if (label > 0) { + math.log(1 + math.exp(margin)) } else { math.log(1 + math.exp(margin)) - margin } diff --git a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala index af43d89c70..443fc5de5b 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala @@ -19,8 +19,11 @@ package org.apache.spark.mllib.recommendation import org.apache.spark.rdd.RDD import org.apache.spark.SparkContext._ +import org.apache.spark.mllib.api.python.PythonMLLibAPI import org.jblas._ +import org.apache.spark.api.java.JavaRDD + /** * Model representing the result of matrix factorization. @@ -44,6 +47,39 @@ class MatrixFactorizationModel( userVector.dot(productVector) } - // TODO: Figure out what good bulk prediction methods would look like. + /** + * Predict the rating of many users for many products. + * The output RDD has an element per each element in the input RDD (including all duplicates) + * unless a user or product is missing in the training set. + * + * @param usersProducts RDD of (user, product) pairs. + * @return RDD of Ratings. + */ + def predict(usersProducts: RDD[(Int, Int)]): RDD[Rating] = { + val users = userFeatures.join(usersProducts).map{ + case (user, (uFeatures, product)) => (product, (user, uFeatures)) + } + users.join(productFeatures).map { + case (product, ((user, uFeatures), pFeatures)) => + val userVector = new DoubleMatrix(uFeatures) + val productVector = new DoubleMatrix(pFeatures) + Rating(user, product, userVector.dot(productVector)) + } + } + + /** + * Predict the rating of many users for many products. + * This is a Java stub for python predictAll() + * + * @param usersProductsJRDD A JavaRDD with serialized tuples (user, product) + * @return JavaRDD of serialized Rating objects. + */ + def predict(usersProductsJRDD: JavaRDD[Array[Byte]]): JavaRDD[Array[Byte]] = { + val pythonAPI = new PythonMLLibAPI() + val usersProducts = usersProductsJRDD.rdd.map(xBytes => pythonAPI.unpackTuple(xBytes)) + predict(usersProducts).map(rate => pythonAPI.serializeRating(rate)) + } + + // TODO: Figure out what other good bulk prediction methods would look like. // Probably want a way to get the top users for a product or vice-versa. } diff --git a/mllib/src/test/scala/org/apache/spark/mllib/optimization/GradientDescentSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/optimization/GradientDescentSuite.scala new file mode 100644 index 0000000000..a6028a1e98 --- /dev/null +++ b/mllib/src/test/scala/org/apache/spark/mllib/optimization/GradientDescentSuite.scala @@ -0,0 +1,116 @@ +/* + * 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.optimization + +import scala.util.Random +import scala.collection.JavaConversions._ + +import org.scalatest.BeforeAndAfterAll +import org.scalatest.FunSuite +import org.scalatest.matchers.ShouldMatchers + +import org.apache.spark.SparkContext +import org.apache.spark.mllib.regression._ + +object GradientDescentSuite { + + def generateLogisticInputAsList( + offset: Double, + scale: Double, + nPoints: Int, + seed: Int): java.util.List[LabeledPoint] = { + seqAsJavaList(generateGDInput(offset, scale, nPoints, seed)) + } + + // Generate input of the form Y = logistic(offset + scale * X) + def generateGDInput( + offset: Double, + scale: Double, + nPoints: Int, + seed: Int): Seq[LabeledPoint] = { + val rnd = new Random(seed) + val x1 = Array.fill[Double](nPoints)(rnd.nextGaussian()) + + val unifRand = new scala.util.Random(45) + val rLogis = (0 until nPoints).map { i => + val u = unifRand.nextDouble() + math.log(u) - math.log(1.0-u) + } + + val y: Seq[Int] = (0 until nPoints).map { i => + val yVal = offset + scale * x1(i) + rLogis(i) + if (yVal > 0) 1 else 0 + } + + val testData = (0 until nPoints).map(i => LabeledPoint(y(i), Array(x1(i)))) + testData + } +} + +class GradientDescentSuite extends FunSuite with BeforeAndAfterAll with ShouldMatchers { + @transient private var sc: SparkContext = _ + + override def beforeAll() { + sc = new SparkContext("local", "test") + } + + override def afterAll() { + sc.stop() + System.clearProperty("spark.driver.port") + } + + test("Assert the loss is decreasing.") { + val nPoints = 10000 + val A = 2.0 + val B = -1.5 + + val initialB = -1.0 + val initialWeights = Array(initialB) + + val gradient = new LogisticGradient() + val updater = new SimpleUpdater() + val stepSize = 1.0 + val numIterations = 10 + val regParam = 0 + val miniBatchFrac = 1.0 + + // Add a extra variable consisting of all 1.0's for the intercept. + val testData = GradientDescentSuite.generateGDInput(A, B, nPoints, 42) + val data = testData.map { case LabeledPoint(label, features) => + label -> Array(1.0, features: _*) + } + + val dataRDD = sc.parallelize(data, 2).cache() + val initialWeightsWithIntercept = Array(1.0, initialWeights: _*) + + val (_, loss) = GradientDescent.runMiniBatchSGD( + dataRDD, + gradient, + updater, + stepSize, + numIterations, + regParam, + miniBatchFrac, + initialWeightsWithIntercept) + + assert(loss.last - loss.head < 0, "loss isn't decreasing.") + + val lossDiff = loss.init.zip(loss.tail).map { case (lhs, rhs) => lhs - rhs } + assert(lossDiff.count(_ > 0).toDouble / lossDiff.size > 0.8) + } +} diff --git a/mllib/src/test/scala/org/apache/spark/mllib/recommendation/ALSSuite.scala b/mllib/src/test/scala/org/apache/spark/mllib/recommendation/ALSSuite.scala index fafc5ec5f2..e683a90f57 100644 --- a/mllib/src/test/scala/org/apache/spark/mllib/recommendation/ALSSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/mllib/recommendation/ALSSuite.scala @@ -90,18 +90,34 @@ class ALSSuite extends FunSuite with BeforeAndAfterAll { testALS(50, 100, 1, 15, 0.7, 0.3) } + test("rank-1 matrices bulk") { + testALS(50, 100, 1, 15, 0.7, 0.3, false, true) + } + test("rank-2 matrices") { testALS(100, 200, 2, 15, 0.7, 0.3) } + test("rank-2 matrices bulk") { + testALS(100, 200, 2, 15, 0.7, 0.3, false, true) + } + test("rank-1 matrices implicit") { testALS(80, 160, 1, 15, 0.7, 0.4, true) } + test("rank-1 matrices implicit bulk") { + testALS(80, 160, 1, 15, 0.7, 0.4, true, true) + } + test("rank-2 matrices implicit") { testALS(100, 200, 2, 15, 0.7, 0.4, true) } + test("rank-2 matrices implicit bulk") { + testALS(100, 200, 2, 15, 0.7, 0.4, true, true) + } + /** * Test if we can correctly factorize R = U * P where U and P are of known rank. * @@ -111,9 +127,12 @@ class ALSSuite extends FunSuite with BeforeAndAfterAll { * @param iterations number of iterations to run * @param samplingRate what fraction of the user-product pairs are known * @param matchThreshold max difference allowed to consider a predicted rating correct + * @param implicitPrefs flag to test implicit feedback + * @param bulkPredict flag to test bulk prediciton */ def testALS(users: Int, products: Int, features: Int, iterations: Int, - samplingRate: Double, matchThreshold: Double, implicitPrefs: Boolean = false) + samplingRate: Double, matchThreshold: Double, implicitPrefs: Boolean = false, + bulkPredict: Boolean = false) { val (sampledRatings, trueRatings, truePrefs) = ALSSuite.generateRatings(users, products, features, samplingRate, implicitPrefs) @@ -130,7 +149,17 @@ class ALSSuite extends FunSuite with BeforeAndAfterAll { for ((p, vec) <- model.productFeatures.collect(); i <- 0 until features) { predictedP.put(p, i, vec(i)) } - val predictedRatings = predictedU.mmul(predictedP.transpose) + val predictedRatings = bulkPredict match { + case false => predictedU.mmul(predictedP.transpose) + case true => + val allRatings = new DoubleMatrix(users, products) + val usersProducts = for (u <- 0 until users; p <- 0 until products) yield (u, p) + val userProductsRDD = sc.parallelize(usersProducts) + model.predict(userProductsRDD).collect().foreach { elem => + allRatings.put(elem.user, elem.product, elem.rating) + } + allRatings + } if (!implicitPrefs) { for (u <- 0 until users; p <- 0 until products) { @@ -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> @@ -727,7 +727,6 @@ <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> diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala index a6c560d5c6..051e5105f3 100644 --- a/project/SparkBuild.scala +++ b/project/SparkBuild.scala @@ -70,9 +70,7 @@ object SparkBuild extends Build { 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") - System.setProperty("spark.home", sparkHome) - System.setProperty("spark.testing", "1") - + // Allows build configuration to be set through environment variables lazy val hadoopVersion = Properties.envOrElse("SPARK_HADOOP_VERSION", DEFAULT_HADOOP_VERSION) lazy val isNewHadoop = Properties.envOrNone("SPARK_IS_NEW_HADOOP") match { @@ -115,8 +113,8 @@ object SparkBuild extends Build { // Fork new JVMs for tests and set Java options for those fork := true, - javaOptions += "-Dspark.home=" + sparkHome, - javaOptions += "-Dspark.testing=1", + 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"), @@ -230,7 +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), diff --git a/project/build.properties b/project/build.properties index 9647277162..839f5fbb0c 100644 --- a/project/build.properties +++ b/project/build.properties @@ -14,5 +14,4 @@ # See the License for the specific language governing permissions and # limitations under the License. # - sbt.version=0.12.4 diff --git a/python/pyspark/mllib/_common.py b/python/pyspark/mllib/_common.py index e74ba0fabc..769d88dfb9 100644 --- a/python/pyspark/mllib/_common.py +++ b/python/pyspark/mllib/_common.py @@ -18,6 +18,9 @@ from numpy import ndarray, copyto, float64, int64, int32, ones, array_equal, array, dot, shape from pyspark import SparkContext +from pyspark.serializers import Serializer +import struct + # Double vector format: # # [8-byte 1] [8-byte length] [length*8 bytes of data] @@ -213,6 +216,28 @@ def _serialize_rating(r): intpart[0], intpart[1], doublepart[0] = r return ba +class RatingDeserializer(Serializer): + def loads(self, stream): + length = struct.unpack("!i", stream.read(4))[0] + ba = stream.read(length) + res = ndarray(shape=(3, ), buffer=ba, dtype="float64", offset=4) + return int(res[0]), int(res[1]), res[2] + + def load_stream(self, stream): + while True: + try: + yield self.loads(stream) + except struct.error: + return + except EOFError: + return + +def _serialize_tuple(t): + ba = bytearray(8) + intpart = ndarray(shape=[2], buffer=ba, dtype=int32) + intpart[0], intpart[1] = t + return ba + def _test(): import doctest globs = globals().copy() diff --git a/python/pyspark/mllib/recommendation.py b/python/pyspark/mllib/recommendation.py index 14d06cba21..0eeb5bb66b 100644 --- a/python/pyspark/mllib/recommendation.py +++ b/python/pyspark/mllib/recommendation.py @@ -20,7 +20,9 @@ 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 + _get_initial_weights, _serialize_rating, _regression_train_wrapper, \ + _serialize_tuple, RatingDeserializer +from pyspark.rdd import RDD class MatrixFactorizationModel(object): """A matrix factorisation model trained by regularized alternating @@ -33,6 +35,9 @@ class MatrixFactorizationModel(object): >>> model = ALS.trainImplicit(sc, ratings, 1) >>> model.predict(2,2) is not None True + >>> testset = sc.parallelize([(1, 2), (1, 1)]) + >>> model.predictAll(testset).count == 2 + True """ def __init__(self, sc, java_model): @@ -45,6 +50,11 @@ class MatrixFactorizationModel(object): def predict(self, user, product): return self._java_model.predict(user, product) + def predictAll(self, usersProducts): + usersProductsJRDD = _get_unmangled_rdd(usersProducts, _serialize_tuple) + return RDD(self._java_model.predict(usersProductsJRDD._jrdd), + self._context, RatingDeserializer()) + class ALS(object): @classmethod def train(cls, sc, ratings, rank, iterations=5, lambda_=0.01, blocks=-1): diff --git a/repl/src/main/scala/org/apache/spark/repl/SparkCommandLine.scala b/repl/src/main/scala/org/apache/spark/repl/SparkCommandLine.scala new file mode 100644 index 0000000000..05816941b5 --- /dev/null +++ b/repl/src/main/scala/org/apache/spark/repl/SparkCommandLine.scala @@ -0,0 +1,37 @@ +/* + * 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.repl + +import scala.tools.nsc.{Settings, CompilerCommand} +import scala.Predef._ + +/** + * Command class enabling Spark-specific command line options (provided by + * <i>org.apache.spark.repl.SparkRunnerSettings</i>). + */ +class SparkCommandLine(args: List[String], override val settings: Settings) + extends CompilerCommand(args, settings) { + + def this(args: List[String], error: String => Unit) { + this(args, new SparkRunnerSettings(error)) + } + + def this(args: List[String]) { + this(args, str => Console.println("Error: " + str)) + } +} 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 7e54421b52..87d94d51be 100644 --- a/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala +++ b/repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala @@ -835,7 +835,7 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, // runs :load `file` on any files passed via -i def loadFiles(settings: Settings) = settings match { - case settings: GenericRunnerSettings => + case settings: SparkRunnerSettings => for (filename <- settings.loadfiles.value) { val cmd = ":load " + filename command(cmd) @@ -902,7 +902,6 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, addThunk(printWelcome()) addThunk(initializeSpark()) - loadFiles(settings) // it is broken on startup; go ahead and exit if (intp.reporter.hasErrors) return false @@ -922,6 +921,8 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, } // printWelcome() + loadFiles(settings) + try loop() catch AbstractOrMissingHandler() finally closeInterpreter() @@ -957,7 +958,7 @@ class SparkILoop(in0: Option[BufferedReader], protected val out: JPrintWriter, /** process command-line arguments and do as they request */ def process(args: Array[String]): Boolean = { - val command = new CommandLine(args.toList, echo) + val command = new SparkCommandLine(args.toList, msg => echo(msg)) def neededHelp(): String = (if (command.settings.help.value) command.usageMsg + "\n" else "") + (if (command.settings.Xhelp.value) command.xusageMsg + "\n" else "") diff --git a/repl/src/main/scala/org/apache/spark/repl/SparkRunnerSettings.scala b/repl/src/main/scala/org/apache/spark/repl/SparkRunnerSettings.scala new file mode 100644 index 0000000000..7fd5fbb424 --- /dev/null +++ b/repl/src/main/scala/org/apache/spark/repl/SparkRunnerSettings.scala @@ -0,0 +1,32 @@ +/* + * 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.repl + +import scala.tools.nsc.Settings + +/** + * <i>scala.tools.nsc.Settings</i> implementation adding Spark-specific REPL + * command line options. + */ +class SparkRunnerSettings(error: String => Unit) extends Settings(error){ + + val loadfiles = MultiStringSetting( + "-i", + "file", + "load a file (assumes the code is given interactively)") +} diff --git a/sbin/stop-slaves.sh b/sbin/stop-slaves.sh index c6b0b6ab66..eb803b4900 100755 --- a/sbin/stop-slaves.sh +++ b/sbin/stop-slaves.sh @@ -17,8 +17,8 @@ # limitations under the License. # -bin=`dirname "$0"` -bin=`cd "$sbin"; pwd` +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` . "$sbin/spark-config.sh" diff --git a/sbt/sbt b/sbt/sbt new file mode 100755 index 0000000000..7f47d90cf1 --- /dev/null +++ b/sbt/sbt @@ -0,0 +1,61 @@ +#!/bin/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. +# + +# This script launches sbt for this project. If present it uses the system +# version of sbt. If there is no system version of sbt it attempts to download +# sbt locally. +SBT_VERSION=`awk -F "=" '/sbt\\.version/ {print $2}' ./project/build.properties` +URL1=http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar +URL2=http://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar +JAR=sbt/sbt-launch-${SBT_VERSION}.jar + +printf "Checking for system sbt [" +if hash sbt 2>/dev/null; then + printf "FOUND]\n" + # Use System SBT + sbt "$@" +else + printf "NOT FOUND]\n" + # Download sbt or use already downloaded + if [ ! -d .sbtlib ]; then + mkdir .sbtlib + fi + if [ ! -f ${JAR} ]; then + # Download + printf "Attempting to fetch sbt\n" + if hash curl 2>/dev/null; then + curl --progress-bar ${URL1} > ${JAR} || curl --progress-bar ${URL2} > ${JAR} + elif hash wget 2>/dev/null; then + wget --progress=bar ${URL1} -O ${JAR} || wget --progress=bar ${URL2} -O ${JAR} + else + printf "You do not have curl or wget installed, please install sbt manually from http://www.scala-sbt.org/\n" + exit -1 + fi + fi + if [ ! -f ${JAR} ]; then + # We failed to download + printf "Our attempt to download sbt locally to ${JAR} failed. Please install sbt manually from http://www.scala-sbt.org/\n" + exit -1 + fi + printf "Launching sbt from ${JAR}\n" + java \ + -Xmx1200m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=256m \ + -jar ${JAR} \ + "$@" +fi 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 304986f187..b3a7cf08b9 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala @@ -595,6 +595,12 @@ 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. 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 b79173c6aa..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 @@ -17,29 +17,27 @@ 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.SparkConf import org.apache.spark.streaming.scheduler.StreamingListener /** @@ -716,5 +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 } |