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https://issues.apache.org/jira/browse/SPARK-13054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15141520#comment-15141520
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Apache Spark commented on SPARK-13054:
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User 'tgravescs' has created a pull request for this issue:
https://github.com/apache/spark/pull/10951
> Always post TaskEnd event for tasks in cancelled stages
> -------------------------------------------------------
>
> Key: SPARK-13054
> URL: https://issues.apache.org/jira/browse/SPARK-13054
> Project: Spark
> Issue Type: Bug
> Components: Scheduler
> Affects Versions: 1.0.0
> Reporter: Andrew Or
> Assignee: Andrew Or
>
> {code}
> // The success case is dealt with separately below.
> // TODO: Why post it only for failed tasks in cancelled stages? Clarify
> semantics here.
> if (event.reason != Success) {
> val attemptId = task.stageAttemptId
> listenerBus.post(SparkListenerTaskEnd(
> stageId, attemptId, taskType, event.reason, event.taskInfo,
> taskMetrics))
> }
> {code}
> Today we only post task end events for canceled stages if the task failed.
> There is no reason why we shouldn't just post it for all the tasks, including
> the ones that succeeded. If we do that we will be able to simplify another
> branch in the DAGScheduler, which needs a lot of simplification.
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