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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-11402) Negative user-to-group cache entries are never cleared for never-again-accessed users
Date Sat, 13 Dec 2014 00:35:13 GMT
Colin Patrick McCabe created HADOOP-11402:
---------------------------------------------

             Summary: Negative user-to-group cache entries are never cleared for never-again-accessed
users
                 Key: HADOOP-11402
                 URL: https://issues.apache.org/jira/browse/HADOOP-11402
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Colin Patrick McCabe


Negative user-to-group cache entries are never cleared for never-again-accessed users.  We
should have a background thread that runs very infrequently and removes these expired entries.



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