wankunde commented on code in PR #37533:
URL: https://github.com/apache/spark/pull/37533#discussion_r960777861
##########
core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala:
##########
@@ -2242,60 +2251,57 @@ private[spark] class DAGScheduler(
val numMergers = stage.shuffleDep.getMergerLocs.length
val results = (0 until numMergers).map(_ =>
SettableFuture.create[Boolean]())
externalShuffleClient.foreach { shuffleClient =>
- if (!registerMergeResults) {
- results.foreach(_.set(true))
- // Finalize in separate thread as shuffle merge is a no-op in this case
- shuffleMergeFinalizeScheduler.schedule(new Runnable {
- override def run(): Unit = {
- stage.shuffleDep.getMergerLocs.foreach {
- case shuffleServiceLoc =>
- // Sends async request to shuffle service to finalize shuffle
merge on that host.
- // Since merge statuses will not be registered in this case,
- // we pass a no-op listener.
- shuffleClient.finalizeShuffleMerge(shuffleServiceLoc.host,
- shuffleServiceLoc.port, shuffleId, shuffleMergeId,
- new MergeFinalizerListener {
- override def onShuffleMergeSuccess(statuses:
MergeStatuses): Unit = {
- }
+ val scheduledFutures = stage.shuffleDep.getMergerLocs.zipWithIndex.map {
+ case (shuffleServiceLoc, index) =>
+ // Sends async request to shuffle service to finalize shuffle merge
on that host
+ // TODO: SPARK-35536: Cancel finalizeShuffleMerge if the stage is
cancelled
+ // TODO: during shuffleMergeFinalizeWaitSec
+ shuffleSendFinalizeRPCExecutor.submit(new Runnable() {
+ override def run(): Unit = {
+ shuffleClient.finalizeShuffleMerge(shuffleServiceLoc.host,
+ shuffleServiceLoc.port, shuffleId, shuffleMergeId,
+ new MergeFinalizerListener {
+ override def onShuffleMergeSuccess(statuses: MergeStatuses):
Unit = {
+ assert(shuffleId == statuses.shuffleId)
+ eventProcessLoop.post(RegisterMergeStatuses(stage,
MergeStatus.
+ convertMergeStatusesToMergeStatusArr(statuses,
shuffleServiceLoc)))
+ results(index).set(true)
+ }
Review Comment:
Thanks for your explanation, I have updated the PR.
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