Use the user-to-groups mapping service in the NameNode
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Key: HDFS-685
URL: https://issues.apache.org/jira/browse/HDFS-685
Project: Hadoop HDFS
Issue Type: Improvement
Components: name-node
Reporter: Arun C Murthy
Assignee: Arun C Murthy
Fix For: 0.22.0
HADOOP-4656 introduces a user-to-groups mapping service on the server-side. The
NameNode should use this to map users to their groups rather than relying on
the information passed by the client.
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