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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7173) Container Update Backward compatibility fix for upgrades
Date Fri, 08 Sep 2017 21:11:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159345#comment-16159345

Arun Suresh commented on YARN-7173:

The test failures are unrelated.
I also ran TestIncreaseAllocationExpirer, TestOpportunisticContainerAllocatorAMService and
TestContainerResizing locally to verify that things are fine.

> 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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