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https://issues.apache.org/jira/browse/YARN-2902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598027#comment-14598027
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Sangjin Lee commented on YARN-2902:
-----------------------------------
I'm OK with this JIRA proceeding as is. We'll need to isolate the public
resource case more, and it won't be too late to file a separate issue if we do
that later.
> Killing a container that is localizing can orphan resources in the
> DOWNLOADING state
> ------------------------------------------------------------------------------------
>
> Key: YARN-2902
> URL: https://issues.apache.org/jira/browse/YARN-2902
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 2.5.0
> Reporter: Jason Lowe
> Assignee: Varun Saxena
> Attachments: YARN-2902.002.patch, YARN-2902.03.patch,
> YARN-2902.04.patch, YARN-2902.patch
>
>
> If a container is in the process of localizing when it is stopped/killed then
> resources are left in the DOWNLOADING state. If no other container comes
> along and requests these resources they linger around with no reference
> counts but aren't cleaned up during normal cache cleanup scans since it will
> never delete resources in the DOWNLOADING state even if their reference count
> is zero.
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