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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1873) User permissions for Map/Reduce
Date Sat, 22 Sep 2007 20:41:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12529695
] 

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

Yes, Kerberos tickets have timeouts.  In fact, it is ultra-important that MR jobs be able
to autorenew any renewable tickets they are passed.  

> 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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