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https://issues.apache.org/jira/browse/HADOOP-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644644#action_12644644
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Amar Kamat commented on HADOOP-4491:
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It will be interesting to see how we will deal with intermediate data (map
output). Even if we store intermediate data under user's permission, we will
still have to open it for shuffle/reduce.
> Per-job local data on the TaskTracker node should have right access-control
> ---------------------------------------------------------------------------
>
> Key: HADOOP-4491
> URL: https://issues.apache.org/jira/browse/HADOOP-4491
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: mapred, security
> Reporter: Arun C Murthy
>
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