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https://issues.apache.org/jira/browse/HDFS-685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey updated HDFS-685:
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Attachment: MR-1083-0_20.2.patch
Combined patch for HADOOP-4656, HDFS-685 and MAPREDUCE-1083 for Hadoop-20.
> Use the user-to-groups mapping service in the NameNode
> ------------------------------------------------------
>
> 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: Boris Shkolnik
> Fix For: 0.22.0
>
> Attachments: HADOOP-4656_hdfs.patch, HDFS-685-4.patch,
> HDFS-685-5.patch, HDFS-685-6.patch, MR-1083-0_20.2.patch
>
>
> 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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