bozhang2820 commented on code in PR #46302:
URL: https://github.com/apache/spark/pull/46302#discussion_r1689933300
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sql/core/src/main/scala/org/apache/spark/sql/execution/SQLExecution.scala:
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@@ -177,7 +177,9 @@ object SQLExecution extends Logging {
shuffleIds.foreach { shuffleId =>
queryExecution.shuffleCleanupMode match {
case RemoveShuffleFiles =>
- SparkEnv.get.shuffleManager.unregisterShuffle(shuffleId)
+ // Do not unregister the shuffle on MapOutputTracker here to
trigger stage retry.
+ // Otherwise, downstream tasks will fail with
MetadataFetchFailedException.
+ sc.shuffleDriverComponents.removeShuffle(shuffleId,
Utils.isTesting)
Review Comment:
Sure. Done.
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