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https://issues.apache.org/jira/browse/YARN-2632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201415#comment-14201415
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Junping Du commented on YARN-2632:
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Thanks [~vvasudev] for review and comments!
bq. I might be wrong but NM work preserving restart doesn't work with ephemeral 
ports, right? We should specify that in the documentation(as well as how to set 
the NM port in yarn-site.xml).
Nice catch! Address this in v3 patch.

> Document NM Restart feature
> ---------------------------
>
>                 Key: YARN-2632
>                 URL: https://issues.apache.org/jira/browse/YARN-2632
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Blocker
>         Attachments: YARN-2632-v2.patch, YARN-2632-v3.patch, YARN-2632.patch
>
>
> As a new feature to YARN, we should document this feature's behavior, 
> configuration, and things to pay attention.



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