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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7173) Container Update Backward compatibility fix for upgrades from 2.8.x
Date Thu, 07 Sep 2017 20:10:00 GMT
Arun Suresh created YARN-7173:
---------------------------------

             Summary: 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


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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