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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2017/09/12 03:46:00 UTC
[jira] [Updated] (YARN-7173) Container Update Backward
compatibility fix for RM-NM communication
[ 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 Backward compatibility fix for RM-NM communication (was: Container Update Backward compatibility fix for upgrades)
> Container Update Backward compatibility fix for RM-NM communication
> -------------------------------------------------------------------
>
> 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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