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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2902) Killing a container that is localizing can orphan resources in the DOWNLOADING state
Date Mon, 04 Jan 2016 23:27:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-2902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082000#comment-15082000
] 

Junping Du commented on YARN-2902:
----------------------------------

Thanks [~varun_saxena] for replying and delivering the patch!
bq. Also should I reopen this JIRA to run QA on this patch?
It depends on if we have many conflicts in merging with original patch. If answer is yes,
then we'd better to reopen the JIRA and run Jenkins test.


> 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
>             Fix For: 2.7.2
>
>         Attachments: YARN-2902-branch-2.6.01.patch, YARN-2902.002.patch, YARN-2902.03.patch,
YARN-2902.04.patch, YARN-2902.05.patch, YARN-2902.06.patch, YARN-2902.07.patch, YARN-2902.08.patch,
YARN-2902.09.patch, YARN-2902.10.patch, YARN-2902.11.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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