Rohith Sharma K S created YARN-5262:
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Summary: 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
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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