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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5451) Container localizers that hang are not cleaned up
Date Fri, 29 Jul 2016 21:07:20 GMT
Jason Lowe created YARN-5451:
--------------------------------

             Summary: Container localizers that hang are not cleaned up
                 Key: YARN-5451
                 URL: https://issues.apache.org/jira/browse/YARN-5451
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.6.0
            Reporter: Jason Lowe


I ran across an old, rogue process on one of our nodes.  It apparently was a container localizer
that somehow entered an infinite loop during startup.  The NM never cleaned up this broken
localizer, so it happily ran forever.  The NM needs to do a better job of tracking localizers,
including killing them if they appear to be hung/broken.



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