mridulm commented on code in PR #50033:
URL: https://github.com/apache/spark/pull/50033#discussion_r2040762323
##########
core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala:
##########
@@ -2171,21 +2189,41 @@ private[spark] class DAGScheduler(
abortStage(mapStage, reason, None)
} else {
rollingBackStages += mapStage
+ mapOutputTracker.unregisterAllMapAndMergeOutput(
+ mapStage.shuffleDep.shuffleId)
}
+ } else {
+ mapOutputTracker.unregisterAllMapAndMergeOutput(
+ mapStage.shuffleDep.shuffleId)
Review Comment:
Add if/else for `SHUFFLE_USE_OLD_FETCH_PROTOCOL`.
Orthogonally, given we are in 4.0, perhaps it is time to drop
`SHUFFLE_USE_OLD_FETCH_PROTOCOL`. Thoughts @attilapiros ?
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