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https://issues.apache.org/jira/browse/SPARK-1860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076403#comment-14076403
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Aaron Davidson commented on SPARK-1860:
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There's not an easy way to tell if an application is still running. However,
the Worker has state about which executors are still running. This is really
what I intended originally -- we must not clean up an Executor's own state from
underneath it. I will change the title to reflect this intention.
> Standalone Worker cleanup should not clean up running applications
> ------------------------------------------------------------------
>
> Key: SPARK-1860
> URL: https://issues.apache.org/jira/browse/SPARK-1860
> Project: Spark
> Issue Type: Bug
> Components: Deploy
> Affects Versions: 1.0.0
> Reporter: Aaron Davidson
> Priority: Critical
> Fix For: 1.1.0
>
>
> The default values of the standalone worker cleanup code cleanup all
> application data every 7 days. This includes jars that were added to any
> applications that happen to be running for longer than 7 days, hitting
> streaming jobs especially hard.
> Applications should not be cleaned up if they're still running. Until then,
> this behavior should not be enabled by default.
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