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Date: Mon, 16 Apr 2012 17:40:17 +0000 (UTC)
From: "Vinod Kumar Vavilapalli (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (MAPREDUCE-3943) RM-NM secret-keys should be
 randomly generated and rolled every so often
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli updated MAPREDUCE-3943:
-----------------------------------------------

    Attachment: MAPREDUCE-3943-20120416.txt

Attaching patch that implements the proposal in the description.

The patch is big enough already, and deserves specific tests which I'm planning to do in follow up tickets.
                
> 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
>             Fix For: 0.23.2
>
>         Attachments: MAPREDUCE-3943-20120416.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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