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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12450) UserGroupInformation should not log at WARN level if no groups are found
Date Tue, 29 Sep 2015 18:39:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-12450:
------------------------------------
       Priority: Minor  (was: Major)
    Component/s: security
     Issue Type: Improvement  (was: Bug)

> 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: Improvement
>          Components: security
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>            Priority: Minor
>         Attachments: HADOOP-12450-v1.patch
>
>
> 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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