venkata91 commented on a change in pull request #30691:
URL: https://github.com/apache/spark/pull/30691#discussion_r643574768
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File path: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
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@@ -1743,6 +1762,10 @@ private[spark] class DAGScheduler(
} else if (mapIndex != -1) {
// Mark the map whose fetch failed as broken in the map stage
mapOutputTracker.unregisterMapOutput(shuffleId, mapIndex,
bmAddress)
+ if (mapStage.shuffleDep.shuffleMergeEnabled) {
+ mapOutputTracker.
+ unregisterMergeResult(shuffleId, reduceId, bmAddress,
Option(mapIndex))
Review comment:
Thanks. Added a comment to keep it clear as well.
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