Github user ksakellis commented on a diff in the pull request:
https://github.com/apache/spark/pull/4192#discussion_r23569025
--- 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 --
So won't this override any user supplied loglevel for RackResolver? What if
the user legitimately wants to see the messages?
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