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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7173) Container Update Backward compatibility fix for upgrades from 2.8.x
Date Fri, 08 Sep 2017 00:09:00 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-branch-2.001.patch

Attaching initial patch. This is intended only for branch-2 - since I guess we can mandate
that upgrades to 3.x should go thru 2.9.0 ?
[~leftnoteasy], do take a look

> Container Update Backward compatibility fix for upgrades from 2.8.x
> -------------------------------------------------------------------
>
>                 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-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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