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https://issues.apache.org/jira/browse/SPARK-19596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-19596.
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Resolution: Incomplete
> After a Stage is completed, all Tasksets for the stage should be marked as
> zombie
> ---------------------------------------------------------------------------------
>
> Key: SPARK-19596
> URL: https://issues.apache.org/jira/browse/SPARK-19596
> Project: Spark
> Issue Type: Improvement
> Components: Scheduler
> Affects Versions: 2.2.0
> Reporter: Imran Rashid
> Priority: Major
> Labels: bulk-closed
>
> Fetch Failures can lead to multiple simultaneous tasksets for one stage. The
> stage may eventually be finished by task completions from a prior stage
> attempt. When this happens, the most recent taskset is not marked as a
> zombie. This means that taskset may continue to submit new tasks even after
> the stage is complete.
> This is not a correctness issue, but it will effect performance, as cluster
> resources will get tied up running tasks that are not needed.
> This is a follow up to https://issues.apache.org/jira/browse/SPARK-19565.
> See some discussion in the pr for that issue:
> https://github.com/apache/spark/pull/16901
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