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https://issues.apache.org/jira/browse/YARN-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13748691#comment-13748691
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Jason Lowe commented on YARN-707:
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Tested this on a secure cluster along with the original MAPREDUCE-5475 patch,
and it properly identifies the client user allowing the ACL check to proceed
normally. +1 from me, pending Jenkins.
> 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: Vinod Kumar Vavilapalli
> Attachments: YARN-707-20130822.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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