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https://issues.apache.org/jira/browse/MAPREDUCE-6618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116376#comment-15116376
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Xuan Gong commented on MAPREDUCE-6618:
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The problem would be much worse if the ats v1.5 is enabled. In ats v1.5, we
would create two timer tasks in TimelineClient. We would leak two more threads
every time when we start YarnClient with TimelineClient enabled.
> YarnClientProtocolProvider leaking the YarnClient thread.
> ----------------------------------------------------------
>
> Key: MAPREDUCE-6618
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6618
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Xuan Gong
> Assignee: Xuan Gong
>
> YarnClientProtocolProvider creates YarnRunner which includes
> ResourceMgrDelegate. In ResourceMgrDelegate, we would initiate and start
> yarnclient. The yarnClient thread would be leaked due to
> {code}
> @Override
> public void close(ClientProtocol clientProtocol) throws IOException {
> // nothing to do
> }
> {code} in YarnClientProtocolProvider
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