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SPARK-1746: Support setting SPARK_JAVA_OPTS on executors for backwards compatibility #676

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SPARK-1746: Support setting SPARK_JAVA_OPTS on executors for backwards compatibility #676

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11 changes: 9 additions & 2 deletions core/src/main/scala/org/apache/spark/deploy/worker/CommandUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,16 @@ object CommandUtils extends Logging {
*/
def buildJavaOpts(command: Command, memory: Int, sparkHome: String): Seq[String] = {
val memoryOpts = Seq(s"-Xms${memory}M", s"-Xmx${memory}M")
// Note, this will coalesce multiple options into a single command component
val extraOpts = command.extraJavaOptions.map(Utils.splitCommandString).getOrElse(Seq())

// Exists for backwards compatibility with older Spark versions
val workerLocalOpts = Option(getenv("SPARK_JAVA_OPTS")).map(Utils.splitCommandString)
.getOrElse(Nil)
if (workerLocalOpts.length > 0) {
logWarning("SPARK_JAVA_OPTS was set on the worker. It is deprecated in Spark 1.0.")
logWarning("Set SPARK_LOCAL_DIRS for node-specific storage locations.")
}

val libraryOpts =
if (command.libraryPathEntries.size > 0) {
val joined = command.libraryPathEntries.mkString(File.pathSeparator)
Expand All @@ -66,7 +73,7 @@ object CommandUtils extends Logging {
val userClassPath = command.classPathEntries ++ Seq(classPath)

Seq("-cp", userClassPath.filterNot(_.isEmpty).mkString(File.pathSeparator)) ++
libraryOpts ++ extraOpts ++ memoryOpts
libraryOpts ++ extraOpts ++ workerLocalOpts ++ memoryOpts
}

/** Spawn a thread that will redirect a given stream to a file */
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