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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