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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7173) Container update RM-NM communication fix for backward compatibility
Date Tue, 12 Sep 2017 03:47:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-7173:
-----------------------------
    Summary: Container update RM-NM communication fix for backward compatibility  (was: Container
Update Backward compatibility fix for RM-NM communication)

> Container update RM-NM communication fix for backward compatibility
> -------------------------------------------------------------------
>
>                 Key: YARN-7173
>                 URL: https://issues.apache.org/jira/browse/YARN-7173
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>         Attachments: YARN-7173.001.patch, YARN-7173-branch-2.001.patch
>
>
> This is based on discussions with [~leftnoteasy] in YARN-6979.
> In YARN-6979, the {{getContainersToDecrease()}} and {{addAllContainersToDecrease()}}
methods were removed from the NodeHeartbeatResponse (although the actual protobuf fields were
still retained). We need to ensure that for clusters that upgrade from 2.8.x to 2.9.0, the
decreased containers should also be sent to the NM.



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