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https://issues.apache.org/jira/browse/YARN-4527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated YARN-4527:
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Attachment: YARN-4527.patch
Upload a quick patch to fix it. It is quite straightforward so no unit test is
needed.
> Possible thread leak if TimelineClient.start() get called multiple times.
> -------------------------------------------------------------------------
>
> Key: YARN-4527
> URL: https://issues.apache.org/jira/browse/YARN-4527
> Project: Hadoop YARN
> Issue Type: Bug
> Components: timelineserver
> Affects Versions: 2.8.0
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: YARN-4527.patch
>
>
> Since YARN-4234, we involve TimelineClient start and stop that would create
> different TimelineWriter according to the configuration. serviceStart() will
> create a TimelineWriter instance every time which will spawn several timer
> threads afterwards. If one TimelineClient get call start() multiple times for
> some reason (application bug or intentionally in some cases), the spawned
> timer threads will get leak.
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