Github user ankuriitg commented on a diff in the pull request:
https://github.com/apache/spark/pull/22209#discussion_r212498716
--- Diff:
core/src/main/scala/org/apache/spark/status/AppStatusListener.scala ---
@@ -350,11 +350,16 @@ private[spark] class AppStatusListener(
val e = it.next()
if (job.stageIds.contains(e.getKey()._1)) {
val stage = e.getValue()
- stage.status = v1.StageStatus.SKIPPED
- job.skippedStages += stage.info.stageId
- job.skippedTasks += stage.info.numTasks
- it.remove()
- update(stage, now)
+ // Only update the stage if it has not finished already
+ if (v1.StageStatus.ACTIVE.equals(stage.status) ||
+ v1.StageStatus.PENDING.equals(stage.status)) {
+ stage.status = v1.StageStatus.SKIPPED
+ job.skippedStages += stage.info.stageId
+ job.skippedTasks += stage.info.numTasks
+ job.activeStages -= 1
+ it.remove()
--- End diff --
I think the assumption here is that we will always receive onStageCompleted
event before onJobEvent. If that does not occur for some reason, then any
active stages are marked as skipped.
I don't know the scenario when onStageCompleted event is not received
before onJobEnd event (or received at all). Let me look further into it.
Additionally, I will also fix the bug for updating pool.
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