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https://issues.apache.org/jira/browse/MAPREDUCE-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919077#action_12919077
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Aaron T. Myers commented on MAPREDUCE-2109:
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Hi Arun,
Several possible use cases are described in HADOOP-6988, but to summarize:
It's presently possible to fetch delegation tokens to files, and to pass these
to bin/hadoop when submitting a job. I'd like to be able to specify both MR and
HDFS delegation token files upfront so that job submission (eg done by Hue or
Hive) doesn't require using kinit. This change could also be useful to pass
delegation token files obtained from multiple distinct NNs.
> Add support for reading multiple hadoop delegation token files
> --------------------------------------------------------------
>
> Key: MAPREDUCE-2109
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2109
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: security
> Affects Versions: 0.22.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Attachments: mapreduce-2109.0.txt, mapreduce-2109.1.txt,
> mapreduce-2109.2.txt, mapreduce-2109.3.txt
>
>
> This is the MR part of HADOOP-6988.
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