Junping Du commented on YARN-1362:

That make sense. The patch LGTM. 
Kick off jenkins again as patch's time is a little long (but still can be 
applied). Will commit it after jenkins +1.

> Distinguish between nodemanager shutdown for decommission vs shutdown for 
> restart
> ---------------------------------------------------------------------------------
>                 Key: YARN-1362
>                 URL: https://issues.apache.org/jira/browse/YARN-1362
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-1362.patch
> When a nodemanager shuts down it needs to determine if it is likely to be 
> restarted.  If a restart is likely then it needs to preserve container 
> directories, logs, distributed cache entries, etc.  If it is being shutdown 
> more permanently (e.g.: like a decommission) then the nodemanager should 
> cleanup directories and logs.

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