Ngone51 commented on code in PR #38702:
URL: https://github.com/apache/spark/pull/38702#discussion_r1035472239
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core/src/main/scala/org/apache/spark/status/AppStatusListener.scala:
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@@ -645,8 +645,15 @@ private[spark] class AppStatusListener(
}
override def onTaskEnd(event: SparkListenerTaskEnd): Unit = {
- // TODO: can this really happen?
- if (event.taskInfo == null) {
+ // TODO: can taskInfo null really happen?
+ // SPARK-41187: For `SparkListenerTaskEnd` with `Resubmitted` reason,
which is raised by executor lost,
+ // it can lead to negative `LiveStage.activeTasks` since there's no
corresponding `SparkListenerTaskStart`
+ // event for each of them. The negative activeTasks will make the stage
always remains in the live stage list
+ // as it can never meet the condition activeTasks == 0. This in turn
causes the dead executor to never be
+ // retained if that live stage's submissionTime is less than the dead
executor's removeTime( see
Review Comment:
nit:
```suggestion
// cleaned up if that live stage's submissionTime is less than the dead
executor's removeTime( see
```
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