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https://issues.apache.org/jira/browse/YARN-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Feng Yuan updated YARN-6295:
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Attachment: QQ截图20170307220524.png
I add the NM jstack outputs,display many waiting-state AppLogAggregatorImpl
thread.
> AppLogAggregatorImpl thread leak
> --------------------------------
>
> Key: YARN-6295
> URL: https://issues.apache.org/jira/browse/YARN-6295
> Project: Hadoop YARN
> Issue Type: Bug
> Components: log-aggregation
> Affects Versions: 2.4.0
> Reporter: Feng Yuan
>
> In hadoop 2.4.0
> NM always have 100+ AppLogAggregatorImpl threads running,
> Normally,only 20+ containers will running all time,so if there is any issue
> about the AppLogAggregator leak.
> I observe these threads is all waiting,because the logic of code is:
> While(If not appFinshed)
> Wait(1s);
> More details in comments.
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