100 lines
2.9 KiB
Bash
Executable file
100 lines
2.9 KiB
Bash
Executable file
#!/bin/bash
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# Figure out where the Scala framework is installed
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FWDIR="$(cd `dirname $0`; pwd)"
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# Export this as SPARK_HOME
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export SPARK_HOME="$FWDIR"
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# Load environment variables from conf/spark-env.sh, if it exists
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if [ -e $FWDIR/conf/spark-env.sh ] ; then
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. $FWDIR/conf/spark-env.sh
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fi
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if [ -z "$1" ]; then
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echo "Usage: run <spark-class> [<args>]" >&2
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exit 1
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fi
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# If this is a standalone cluster daemon, reset SPARK_JAVA_OPTS and SPARK_MEM to reasonable
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# values for that; it doesn't need a lot
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if [ "$1" = "spark.deploy.master.Master" -o "$1" = "spark.deploy.worker.Worker" ]; then
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SPARK_MEM=${SPARK_DAEMON_MEMORY:-512m}
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SPARK_DAEMON_JAVA_OPTS="$SPARK_DAEMON_JAVA_OPTS -Dspark.akka.logLifecycleEvents=true"
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SPARK_JAVA_OPTS=$SPARK_DAEMON_JAVA_OPTS # Empty by default
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fi
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# Add java opts for master, worker, executor. The opts maybe null
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case "$1" in
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'spark.deploy.master.Master')
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SPARK_JAVA_OPTS="$SPARK_JAVA_OPTS $SPARK_MASTER_OPTS"
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;;
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'spark.deploy.worker.Worker')
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SPARK_JAVA_OPTS="$SPARK_JAVA_OPTS $SPARK_WORKER_OPTS"
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;;
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'spark.executor.StandaloneExecutorBackend')
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SPARK_JAVA_OPTS="$SPARK_JAVA_OPTS $SPARK_EXECUTOR_OPTS"
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;;
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'spark.executor.MesosExecutorBackend')
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SPARK_JAVA_OPTS="$SPARK_JAVA_OPTS $SPARK_EXECUTOR_OPTS"
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;;
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'spark.repl.Main')
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SPARK_JAVA_OPTS="$SPARK_JAVA_OPTS $SPARK_REPL_OPTS"
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;;
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esac
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# Figure out how much memory to use per executor and set it as an environment
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# variable so that our process sees it and can report it to Mesos
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if [ -z "$SPARK_MEM" ] ; then
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SPARK_MEM="512m"
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fi
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export SPARK_MEM
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# Set JAVA_OPTS to be able to load native libraries and to set heap size
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JAVA_OPTS="$SPARK_JAVA_OPTS"
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JAVA_OPTS="$JAVA_OPTS -Djava.library.path=$SPARK_LIBRARY_PATH"
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JAVA_OPTS="$JAVA_OPTS -Xms$SPARK_MEM -Xmx$SPARK_MEM"
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# Load extra JAVA_OPTS from conf/java-opts, if it exists
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if [ -e $FWDIR/conf/java-opts ] ; then
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JAVA_OPTS="$JAVA_OPTS `cat $FWDIR/conf/java-opts`"
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fi
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export JAVA_OPTS
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# Check if this is a binary distribution or source distribution
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# and build up the classpath appropriately
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if [ -f "$FWDIR/RELEASE" ]; then
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echo "This is a binary distribution"
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if [ `command -v java` ]; then
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RUNNER="java"
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else
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if [ -z "$JAVA_HOME" ]; then
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echo "JAVA_HOME is not set" >&2
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exit 1
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fi
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RUNNER="${JAVA_HOME}/bin/java"
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fi
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CLASSPATH="$SPARK_CLASSPATH:$FWDIR/jars/*"
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# The JVM doesn't read JAVA_OPTS by default so we need to pass it in
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EXTRA_ARGS="$JAVA_OPTS"
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else
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echo "This is a source distribution"
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. "$FWDIR/set-dev-classpath.sh"
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fi
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# Add hadoop conf dir - else FileSystem.*, etc fail !
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# Note, this assumes that there is either a HADOOP_CONF_DIR or YARN_CONF_DIR which hosts
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# the configurtion files.
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if [ "x" != "x$HADOOP_CONF_DIR" ]; then
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CLASSPATH="$CLASSPATH:$HADOOP_CONF_DIR"
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fi
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if [ "x" != "x$YARN_CONF_DIR" ]; then
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CLASSPATH="$CLASSPATH:$YARN_CONF_DIR"
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fi
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export CLASSPATH # Needed for spark-shell
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exec "$RUNNER" -cp "$CLASSPATH" $EXTRA_ARGS "$@"
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