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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-707) Add user info in the YARN ClientToken
Date Fri, 30 Aug 2013 01:23:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated YARN-707:
-----------------------------------------

    Hadoop Flags: Incompatible change,Reviewed  (was: Reviewed)

Marking this as an incompatible change. The client-token is for auth between client and AM
and clearly MR AM only uses it now. This token is given out for every client separately, so
MR 2.1 clients won't have the corresponding information and so will be turned away from 2.1.1
MR AMs.

Checked in an incompatible change post 2.1.0 so as to fix MAPREDUCE-5475, a critical issue.
                
> 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, YARN-707-20130829.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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