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Posted to yarn-dev@hadoop.apache.org by "Feng Yuan (JIRA)" <ji...@apache.org> on 2017/03/07 14:03:38 UTC

[jira] [Created] (YARN-6295) AppLogAggregatorImpl thread leak

Feng Yuan created YARN-6295:
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             Summary: 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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