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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7173) Container Update Backward compatibility fix for upgrades
Date Fri, 08 Sep 2017 19:19:00 GMT

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

Arun Suresh updated YARN-7173:
------------------------------
    Attachment: YARN-7173.001.patch

Looks like this is required for 3.0.x / trunk as well.
Attaching trunk patch.

> Container Update Backward compatibility fix for upgrades
> --------------------------------------------------------
>
>                 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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