Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3409#discussion_r21763663
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala
---
@@ -352,12 +352,28 @@ private[spark] trait ClientBase extends Logging {
if (isLaunchingDriver) {
sparkConf.getOption("spark.driver.extraJavaOptions")
.orElse(sys.env.get("SPARK_JAVA_OPTS"))
+ .map(Utils.splitCommandString).getOrElse(Seq.empty)
.foreach(opts => javaOpts += opts)
val libraryPaths =
Seq(sys.props.get("spark.driver.extraLibraryPath"),
sys.props.get("spark.driver.libraryPath")).flatten
if (libraryPaths.nonEmpty) {
prefixEnv = Some(Utils.libraryPathEnvPrefix(libraryPaths))
--- End diff --
I'm not strictly against the warning, but that would print a log for every
app whenever someone tries to configure things by default for all use cases by
setting both options in spark-defaults.conf...
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