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https://issues.apache.org/jira/browse/MAPREDUCE-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438284#comment-13438284
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Daryn Sharp commented on MAPREDUCE-3943:
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(Thanks to Jason Lowe for collaborating on the review)
> RM-NM secret-keys should be randomly generated and rolled every so often
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-3943
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3943
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2, security
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Critical
> Attachments: MAPREDUCE-3943-20120416.txt, MR3943_branch-23.txt,
> MR3943_branch-23.txt, MR3943_trunk.txt, MR3943_trunk.txt, MR3943.txt,
> MR3943.txt
>
>
> - RM should generate the master-key randomly
> - The master-key should roll every so often
> - NM should remember old expired keys so that already doled out
> container-requests can be satisfied.
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