Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4192#discussion_r23551779
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -60,6 +62,9 @@ private[yarn] class YarnAllocator(
import YarnAllocator._
+ // RackResolver logs an INFO message whenever it resolves a rack, which
is way too often.
+ Logger.getLogger(classOf[RackResolver]).setLevel(Level.WARN)
--- End diff --
Can you explain in the commit message why the log4j configuration doesn't
work? From just peeking at the code it seems like both approaches should be the
same.
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