Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3607#discussion_r22680079
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/ClientArguments.scala ---
@@ -87,6 +92,21 @@ private[spark] class ClientArguments(args:
Array[String], sparkConf: SparkConf)
throw new IllegalArgumentException(
"You must specify at least 1 executor!\n" + getUsageMessage())
}
+ if (isClusterMode) {
+ for (key <- Seq(amMemKey, amMemOverheadKey)) {
+ if (sparkConf.getOption(key).isDefined) {
+ println(s"$key is set but does not apply in cluster mode.")
--- End diff --
I don't think you want to use `println` here. Also, I'm always a little
conflicted about these logs, since they'll show up when you set these values in
the default conf file (which would apply to a lot of different jobs unless they
explicitly override the conf file). But not a big deal.
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