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https://issues.apache.org/jira/browse/YARN-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753252#comment-13753252
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Vinod Kumar Vavilapalli commented on YARN-707:
----------------------------------------------

Tx for the testing update.

Re UGI. Yeah, let's do it. I see that only getQueueInfo() is the other caller, 
and we really don't need to send back the client-token secret-key to the 
callers of that API. We can just pass in a null for UGI and not return the key 
in this case.

                
> Add user info in the YARN ClientToken
> -------------------------------------
>
>                 Key: YARN-707
>                 URL: https://issues.apache.org/jira/browse/YARN-707
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>            Assignee: Jason Lowe
>            Priority: Blocker
>             Fix For: 3.0.0, 2.1.1-beta
>
>         Attachments: YARN-707-20130822.txt, YARN-707-20130827.txt, 
> YARN-707-20130828-2.txt, YARN-707-20130828.txt
>
>
> If user info is present in the client token then it can be used to do limited 
> authz in the AM.

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