Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/299#discussion_r11236051
--- Diff:
yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala ---
@@ -340,8 +341,22 @@ trait ClientBase extends Logging {
JAVA_OPTS += " -XX:CMSIncrementalDutyCycle=10 "
}
- if (env.isDefinedAt("SPARK_JAVA_OPTS")) {
- JAVA_OPTS += " " + env("SPARK_JAVA_OPTS")
+
--- End diff --
cron as in periodically run via oozie or just normal cron.
so not manually triggered, and so failure of those jobs wont even be
noticed for a while (and only after they have already impacted other things)
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