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From "Aihua Xu (Jira)" <j...@apache.org>
Subject [jira] [Created] (YARN-10126) Use threadPool to handle async scheduling threads
Date Mon, 10 Feb 2020 19:26:00 GMT
Aihua Xu created YARN-10126:
-------------------------------

             Summary: Use threadPool to handle async scheduling threads
                 Key: YARN-10126
                 URL: https://issues.apache.org/jira/browse/YARN-10126
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: capacity scheduler
    Affects Versions: 2.9.1
            Reporter: Aihua Xu
            Assignee: Aihua Xu


Currently, async scheduling launches individual threads to handle scheduling requests. If
there is any issues in such threads, the threads exit and no new threads get relaunched. Then
eventually all the threads die and won't handle any new job scheduling.





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