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https://issues.apache.org/jira/browse/MAPREDUCE-1307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804445#action_12804445
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Devaraj Das commented on MAPREDUCE-1307:
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Another way to look at this is it was much more difficult to enforce group
level permissions in mr-744 but enforcing group level permissions for jobs
turns out to be simpler and easy to comprehend. In some sense mr-744 is more
strict about who can access distributed cache files.
> Introduce the concept of Job Permissions
> ----------------------------------------
>
> Key: MAPREDUCE-1307
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1307
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: security
> Reporter: Devaraj Das
> Fix For: 0.22.0
>
> Attachments: 1307-early-1.patch
>
>
> It would be good to define the notion of job permissions analogous to file
> permissions. Then the JobTracker can restrict who can "read" (e.g. look at
> the job page) or "modify" (e.g. kill) jobs.
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