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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3223) Resource update during NM graceful decommission
Date Wed, 12 Aug 2015 16:05:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-3223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14693729#comment-14693729
] 

Junping Du commented on YARN-3223:
----------------------------------

Thanks [~brookz] for putting on a patch!
bq. Since this depends on YARN-3212, and the state transitions are added there, this patch
will not compile. This is just a review of the code.
Ok. So I will cancel the patch now. You may want to update the patch when YARN-3212 get in
finally.

Will provide some comments later.

> Resource update during NM graceful decommission
> -----------------------------------------------
>
>                 Key: YARN-3223
>                 URL: https://issues.apache.org/jira/browse/YARN-3223
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.7.1
>            Reporter: Junping Du
>            Assignee: Varun Saxena
>         Attachments: YARN-3223-v0.patch
>
>
> During NM graceful decommission, we should handle resource update properly, include:
make RMNode keep track of old resource for possible rollback, keep available resource to 0
and used resource get updated when
> container finished.



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