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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12450) UserGroupInformation should not log at WARN level if no groups are found
Date Tue, 29 Sep 2015 18:04:04 GMT
Elliott Clark created HADOOP-12450:
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             Summary: UserGroupInformation should not log at WARN level if no groups are found
                 Key: HADOOP-12450
                 URL: https://issues.apache.org/jira/browse/HADOOP-12450
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Elliott Clark
            Assignee: Elliott Clark


HBase tries to get the groups of a user on every request. That user may or may not exist on
the box running Hadoop/HBase.

If that user doesn't exist currently Hadoop will log at the WARN level everytime. This leads
to gigs of log spam and serious GC issues.



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