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https://issues.apache.org/jira/browse/SPARK-50648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mars updated SPARK-50648:
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Summary: when the job is cancelled during shuffle retry in parent stage,
might leave behind zombie tasks (was: when the job is cancelled during shuffle
retry in parent stage, we should kill all the zombie tasks)
> when the job is cancelled during shuffle retry in parent stage, might leave
> behind zombie tasks
> -----------------------------------------------------------------------------------------------
>
> Key: SPARK-50648
> URL: https://issues.apache.org/jira/browse/SPARK-50648
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.1.0
> Reporter: Mars
> Priority: Major
>
> Assume a job is stage1-> stage2, when FetchFailed occurs during the stage 2,
> the stage1 and stage2 will resubmit (stage2 may still have some tasks
> running even if stage2 is resubmitted , this is as expected, the reason see
> the comment from https://issues.apache.org/jira/browse/SPARK-2666 )
> But during the execution of the stage1-retry , if the SQL is canceled, the
> tasks in stage1 and stage1-retry can all be killed, but the tasks previously
> running in stage2 are still running and can't be killed. These tasks can
> greatly affect cluster stability and occupy resources.
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