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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1873) User permissions for Map/Reduce
Date Wed, 26 Sep 2007 15:16:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12530462
] 

Allen Wittenauer commented on HADOOP-1873:
------------------------------------------

BTW, I would expect the key cache to have not just the tickets for the MR job but any other
tickets submitted with the job.  For example, if my MR job needed to write to a Kerberized
NFS mount, those tickets should go with the job, be renewed as needed, etc.

> 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: Raghu Angadi
>
> 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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