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https://issues.apache.org/jira/browse/MAPREDUCE-1083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796731#action_12796731
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Hudson commented on MAPREDUCE-1083:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #196 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/196/])
> Use the user-to-groups mapping service in the JobTracker
> ---------------------------------------------------------
>
> Key: MAPREDUCE-1083
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1083
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Reporter: Arun C Murthy
> Assignee: Boris Shkolnik
> Fix For: 0.22.0
>
> Attachments: HADOOP-4656_mr.patch, MAPREDUCE-1083-2.patch,
> MAPREDUCE-1083-3.patch
>
>
> HADOOP-4656 introduces a user-to-groups mapping service on the server-side.
> The JobTracker should use this to map users to their groups rather than
> relying on the information passed by the client.
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