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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6230) MR AM does not survive RM restart if RM activated a new AMRM secret key
Date Wed, 28 Jan 2015 16:14:35 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe updated MAPREDUCE-6230:
----------------------------------
    Status: Patch Available  (was: Open)

> MR AM does not survive RM restart if RM activated a new AMRM secret key
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6230
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6230
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>         Attachments: MAPREDUCE-6230.001.patch
>
>
> A MapReduce AM will fail to reconnect to an RM that performed restart in the following
scenario:
> # MapReduce job launched with AMRM token generated from AMRM secret X
> # RM rolls new AMRM secret Y and activates the new key
> # RM performs a work-preserving restart
> # MapReduce job AM now unable to connect to RM with "Invalid AMRMToken" exception



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