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https://issues.apache.org/jira/browse/YARN-2331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535683#comment-14535683
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Xuan Gong commented on YARN-2331:
---------------------------------

+1. Will commit

> Distinguish shutdown during supervision vs. shutdown for rolling upgrade
> ------------------------------------------------------------------------
>
>                 Key: YARN-2331
>                 URL: https://issues.apache.org/jira/browse/YARN-2331
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>              Labels: BB2015-05-RFC
>         Attachments: YARN-2331.patch, YARN-2331v2.patch, YARN-2331v3.patch
>
>
> When the NM is shutting down with restart support enabled there are scenarios 
> we'd like to distinguish and behave accordingly:
> # The NM is running under supervision.  In that case containers should be 
> preserved so the automatic restart can recover them.
> # The NM is not running under supervision and a rolling upgrade is not being 
> performed.  In that case the shutdown should kill all containers since it is 
> unlikely the NM will be restarted in a timely manner to recover them.
> # The NM is not running under supervision and a rolling upgrade is being 
> performed.  In that case the shutdown should not kill all containers since a 
> restart is imminent due to the rolling upgrade and the containers will be 
> recovered.



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