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Posted to yarn-dev@hadoop.apache.org by "mujunchao (JIRA)" <ji...@apache.org> on 2015/06/26 12:14:04 UTC

[jira] [Created] (YARN-3857) Memory leak in ResourceManager with SIMPLE mode

mujunchao created YARN-3857:
-------------------------------

             Summary: Memory leak in ResourceManager with SIMPLE mode
                 Key: YARN-3857
                 URL: https://issues.apache.org/jira/browse/YARN-3857
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.7.0
            Reporter: mujunchao
            Priority: Critical


 We register the ClientTokenMasterKey to avoid client may hold an invalid ClientToken after RM restarts. In SIMPLE mode, we register Pair<ApplicationAttemptId, null> ,  But we never remove it from HashMap, as unregister only runing while in Security mode, so memory leak coming. 



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