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https://issues.apache.org/jira/browse/YARN-5262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohith Sharma K S updated YARN-5262:
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Attachment: 0001-YARN-5262.patch
Updated the straight forward patch..
> Optimize sending RMNodeFinishedContainersPulledByAMEvent for every AM
> heartbeat
> -------------------------------------------------------------------------------
>
> Key: YARN-5262
> URL: https://issues.apache.org/jira/browse/YARN-5262
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Attachments: 0001-YARN-5262.patch
>
>
> It is observed that RM triggers an one event for every
> ApplicationMaster#allocate request in the following trace. This is not
> necessarily required and it can be optimized such that send only if any
> containers are there to acknowledge to NodeManager.
> {code}
> RMAppAttemptImpl.sendFinishedContainersToNM() line: 1871
> RMAppAttemptImpl.pullJustFinishedContainers() line: 805
> ApplicationMasterService.allocate(AllocateRequest) line: 567
> {code}
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