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https://issues.apache.org/jira/browse/YARN-7173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162472#comment-16162472
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Hudson commented on YARN-7173:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12842 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12842/])
YARN-7173. Container update RM-NM communication fix for backward (wangda: rev
e74d1be04be47969943b0501a4f335b0b5188287)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NodeHeartbeatResponse.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/NodeHeartbeatResponsePBImpl.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerImpl.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeUpdateContainerEvent.java
> Container update RM-NM communication fix for backward compatibility
> -------------------------------------------------------------------
>
> 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
> Fix For: 2.9.0, 3.0.0-beta1
>
> 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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