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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-128) Resurrect RM Restart
Date Sun, 11 Nov 2012 14:49:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494892#comment-13494892
] 

Bikas Saha commented on YARN-128:
---------------------------------

Updating patches for new code and combined patch.
Changes
1) Code added to remove application data upon completion
2) All TODO's examined and removed/fixed.
3) Improved TestRMRestart and its readability
4) Added more tests for RMAppAttemptTransitions
5) Refactored RMStateStore into an abstract class so that it can implement common functionality
to notify app attempt about async store operation completion

Fix for capacity scheduler bug is still in the patch because it blocks test completion. The
issue is also tracked in YARN-209

                
> Resurrect RM Restart 
> ---------------------
>
>                 Key: YARN-128
>                 URL: https://issues.apache.org/jira/browse/YARN-128
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.0-alpha
>            Reporter: Arun C Murthy
>            Assignee: Bikas Saha
>         Attachments: MR-4343.1.patch, RM-recovery-initial-thoughts.txt, RMRestartPhase1.pdf,
YARN-128-combined.patch, YARN-128.new-code.1.patch, YARN-128.new-code.2.patch, YARN-128.patch,
YARN-128.remove-old-code.1.patch
>
>
> We should resurrect 'RM Restart' which we disabled sometime during the RM refactor.

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