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https://issues.apache.org/jira/browse/HADOOP-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546504
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Hairong Kuang commented on HADOOP-1873:
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As Owen said, in the long run we should let a jobclient to transfer job files
to the jobtracker and let the jobtracker to upload the files to dfs. This way,
we do not need to worry about the permission problem and it is more secure. But
let's do it in the next release.
> User permissions for Map/Reduce
> -------------------------------
>
> Key: HADOOP-1873
> URL: https://issues.apache.org/jira/browse/HADOOP-1873
> Project: Hadoop
> Issue Type: Improvement
> Reporter: Raghu Angadi
> Assignee: Hairong Kuang
>
> HADOOP-1298 and HADOOP-1701 add permissions and pluggable security for DFS
> files and DFS accesses. Same users permission should work for Map/Reduce jobs
> as well.
> User persmission should propegate from client to map/reduce tasks and all the
> file operations should be subject to user permissions. This is transparent to
> the user (i.e. no changes to user code should be required).
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