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https://issues.apache.org/jira/browse/YARN-1664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524166#comment-14524166
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Jian He commented on YARN-1664:
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[~sseth], is this still needed ? how is Tez doing it now ?
> Add a utility to retrieve the RM Principal (renewer for tokens)
> ---------------------------------------------------------------
>
> Key: YARN-1664
> URL: https://issues.apache.org/jira/browse/YARN-1664
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Siddharth Seth
>
> Currently the logic to retrieve the renewer to be used while retrieving HDFS
> tokens resides in MapReduce. This should ideally be a utility in YARN since
> it's likely to be required by other applications as well.
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