Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/3409#discussion_r20864416
--- Diff: conf/spark-defaults.conf.template ---
@@ -8,3 +8,4 @@
# spark.serializer
org.apache.spark.serializer.KryoSerializer
# spark.driver.memory 5g
# spark.executor.extraJavaOptions -XX:+PrintGCDetails -Dkey=value
-Dnumbers="one two three"
+# spark.yarn.am.extraJavaOptions -XX:+PrintGCDetails -Dkey=value
-Dnumbers="one two three"
--- End diff --
I would remove this from here since its yarn specific.
Can you also please document it in the docs/running-on-yarn.md. We should
be clear on what mode this applies to since this will only be different from
driver extraJavaOptions in Client mode, correct?
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