From 0435de9e8710ffd2d24a65ef4371529e79d3bf3c Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei@eecs.berkeley.edu>
Date: Mon, 19 Jul 2010 18:00:30 -0700
Subject: Made it possible to set various Spark options and environment
 variables in general through a conf/spark-env.sh script.

---
 run | 39 ++++++++++++++++++++++++++-------------
 1 file changed, 26 insertions(+), 13 deletions(-)

(limited to 'run')

diff --git a/run b/run
index e6723ccd7c..36fbd9d23d 100755
--- a/run
+++ b/run
@@ -3,26 +3,39 @@
 # Figure out where the Scala framework is installed
 FWDIR=`dirname $0`
 
-# Set JAVA_OPTS to be able to load libnexus.so and set various other misc options
-export JAVA_OPTS="-Djava.library.path=$FWDIR/third_party:$FWDIR/src/native -Xms100m -Xmx750m"
+# Load environment variables from conf/spark-env.sh, if it exists
+if [ -e $FWDIR/conf/spark-env.sh ] ; then
+  . $FWDIR/conf/spark-env.sh
+fi
+
+if [ "$SPARK_MEM" == "" ] ; then
+  SPARK_MEM="200m"
+fi
+
+# Set JAVA_OPTS to be able to load native libraries and to set heap size
+JAVA_OPTS="$SPARK_JAVA_OPTS"
+JAVA_OPTS+=" -Djava.library.path=$SPARK_LIBRARY_PATH:$FWDIR/third_party:$FWDIR/src/native"
+JAVA_OPTS+=" -Xms$SPARK_MEM -Xmx$SPARK_MEM"
+# Load extra JAVA_OPTS from conf/java-opts, if it exists
 if [ -e $FWDIR/conf/java-opts ] ; then
   JAVA_OPTS+=" `cat $FWDIR/conf/java-opts`"
 fi
 export JAVA_OPTS
 
 # Build up classpath
-CLASSPATH=$FWDIR/build/classes
-CLASSPATH+=:$FWDIR/third_party/nexus.jar
-CLASSPATH+=:$FWDIR/third_party/asm-3.2/lib/all/asm-all-3.2.jar
-CLASSPATH+=:$FWDIR/third_party/colt.jar
-CLASSPATH+=:$FWDIR/third_party/google-collect-1.0-rc5/google-collect-1.0-rc5.jar
-CLASSPATH+=:$FWDIR/third_party/hadoop-0.20.0/hadoop-0.20.0-core.jar
-CLASSPATH+=:third_party/scalatest-1.2-for-scala-2.8.0.RC3-SNAPSHOT.jar
-CLASSPATH+=:third_party/scalacheck_2.8.0.RC3-1.7.jar
+SPARK_CLASSPATH="$SPARK_CLASSPATH:$FWDIR/build/classes"
+SPARK_CLASSPATH+=:$FWDIR/third_party/nexus.jar
+SPARK_CLASSPATH+=:$FWDIR/third_party/asm-3.2/lib/all/asm-all-3.2.jar
+SPARK_CLASSPATH+=:$FWDIR/third_party/colt.jar
+SPARK_CLASSPATH+=:$FWDIR/third_party/google-collect-1.0-rc5/google-collect-1.0-rc5.jar
+SPARK_CLASSPATH+=:$FWDIR/third_party/hadoop-0.20.0/hadoop-0.20.0-core.jar
+SPARK_CLASSPATH+=:third_party/scalatest-1.2-for-scala-2.8.0.RC3-SNAPSHOT.jar
+SPARK_CLASSPATH+=:third_party/scalacheck_2.8.0.RC3-1.7.jar
 for jar in $FWDIR/third_party/hadoop-0.20.0/lib/*.jar; do
-  CLASSPATH+=:$jar
+  SPARK_CLASSPATH+=:$jar
 done
-export CLASSPATH
+export SPARK_CLASSPATH
+export CLASSPATH=$SPARK_CLASSPATH # Needed for spark-shell
 
 if [ -n "$SCALA_HOME" ]; then
   SCALA=${SCALA_HOME}/bin/scala
@@ -30,4 +43,4 @@ else
   SCALA=scala
 fi
 
-exec $SCALA -cp $CLASSPATH $@
+exec $SCALA -cp $SPARK_CLASSPATH $@
-- 
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