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Posted to common-dev@hadoop.apache.org by "Elliott Clark (JIRA)" <ji...@apache.org> on 2015/09/29 20:04:04 UTC

[jira] [Created] (HADOOP-12450) UserGroupInformation should not log at WARN level if no groups are found

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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