[GitHub] [spark] cloud-fan commented on a change in pull request #24549: [MINOR][TEST] Fix two minor test annoyances in jenkins

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cloud-fan commented on a change in pull request #24549: [MINOR][TEST] Fix two minor test annoyances in jenkins
URL: https://github.com/apache/spark/pull/24549#discussion_r281904397
 
 

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 File path: core/src/main/scala/org/apache/spark/util/AccumulatorV2.scala
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 @@ -268,7 +268,7 @@ private[spark] object AccumulatorContext extends Logging {
       // Since we are storing weak references, warn when the underlying data is not valid.
       val acc = ref.get
       if (acc eq null) {
-        logWarning(s"Attempted to access garbage collected accumulator $id")
+        logInfo(s"Attempted to access garbage collected accumulator $id")
 
 Review comment:
   At first, I thought this won't happen frequently. Maybe I was wrong. @ericl can you give more details here? e.g. why it happens so frequently in the tests.

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