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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2649) MR279: Fate of finished Applications on RM
Date Wed, 17 Aug 2011 15:30:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086385#comment-13086385
] 

Thomas Graves commented on MAPREDUCE-2649:
------------------------------------------

Thanks for the review, sorry for my delay responding, I was out.  

I agree, it makes sense to have an RMAppManager entity doing all the manipulations.  I'll
make the changes here.

> MR279: Fate of finished Applications on RM
> ------------------------------------------
>
>                 Key: MAPREDUCE-2649
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2649
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2649-patch-mr279.txt, MAPREDUCE-2649-v2.patch, MAPREDUCE-2649-v3.patch,
MAPREDUCE-2649-v4.patch, MAPREDUCE-2649-v5.patch
>
>
> Today RM keeps the references of finished application for ever. Though this is not sustainable
long term, it keeps
> the user experience saner. Users can revisit RM UI and check the status of their apps.
> We need to think of purging old references yet keeping the UX sane.

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