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https://issues.apache.org/jira/browse/MAPREDUCE-1433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832646#action_12832646
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Hudson commented on MAPREDUCE-1433:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #232 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/232/])
> Create a Delegation token for MapReduce
> ---------------------------------------
>
> Key: MAPREDUCE-1433
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1433
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: security
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.22.0
>
> Attachments: 1433.bp20.patch, 1433.bp20.patch, mr-1433.patch,
> mr-1433.patch, mr-1433.patch, mr-1433.patch, mr-1433.patch
>
>
> Occasionally, MapReduce jobs need to launch other MapReduce jobs. With
> security enabled, the task needs to authenticate to the JobTracker as the
> user with a token.
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