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https://issues.apache.org/jira/browse/SPARK-20163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949767#comment-15949767
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Apache Spark commented on SPARK-20163:
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User 'sitalkedia' has created a pull request for this issue:
https://github.com/apache/spark/pull/17485
> Kill all running tasks in a stage in case of fetch failure
> ----------------------------------------------------------
>
> Key: SPARK-20163
> URL: https://issues.apache.org/jira/browse/SPARK-20163
> Project: Spark
> Issue Type: Bug
> Components: Scheduler
> Affects Versions: 2.0.1
> Reporter: Sital Kedia
>
> Currently, the scheduler does not kill the running tasks in a stage when it
> encounters fetch failure, as a result, we might end up running many duplicate
> tasks in the cluster. There is already a TODO in TaskSetManager to kill all
> running tasks which has not been implemented.
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