weixiuli commented on code in PR #37922:
URL: https://github.com/apache/spark/pull/37922#discussion_r979507631
##########
core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala:
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@@ -2543,16 +2541,13 @@ private[spark] class DAGScheduler(
shuffleIdToMapStage.filter { case (_, stage) =>
stage.shuffleDep.shuffleMergeAllowed &&
stage.shuffleDep.getMergerLocs.isEmpty &&
runningStages.contains(stage)
- }.foreach { case(_, stage: ShuffleMapStage) =>
- if (getAndSetShufflePushMergerLocations(stage).nonEmpty) {
- logInfo(s"Shuffle merge enabled adaptively for $stage with
shuffle" +
- s" ${stage.shuffleDep.shuffleId} and shuffle merge" +
- s" ${stage.shuffleDep.shuffleMergeId} with
${stage.shuffleDep.getMergerLocs.size}" +
- s" merger locations")
-
mapOutputTracker.registerShufflePushMergerLocations(stage.shuffleDep.shuffleId,
- stage.shuffleDep.getMergerLocs)
- }
- }
+ }.foreach { case (_, stage: ShuffleMapStage) =>
+ configureShufflePushMergerLocations(stage)
+ logInfo(s"Shuffle merge enabled adaptively for $stage with shuffle" +
Review Comment:
The log is not always printed before this pr?
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