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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-128) Resurrect RM Restart
Date Tue, 20 Nov 2012 13:14:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501172#comment-13501172
] 

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

Attaching final patch with full changes for a test run. Can someone with access please trigger
a test run on JIRA?
Changes
1) Completed handling on unmanaged AM's
2) Refactored ZK and FileSystem store classes to move common logic into the base class and
also integrate with the RM
3) Test improvements
I have tested manually on a single node with both ZK and FileSystem store (using HDFS) and
run wordcount job across a restart.

I will create sub-tasks of this jira to break the changes into logical pieces.
                
> 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, restart-12-11-zkstore.patch, restart-fs-store-11-17.patch,
restart-zk-store-11-17.patch, RM-recovery-initial-thoughts.txt, RMRestartPhase1.pdf, YARN-128.full-code.3.patch,
YARN-128.full-code-4.patch, YARN-128.full-code.5.patch, YARN-128.new-code-added.3.patch, YARN-128.new-code-added-4.patch,
YARN-128.old-code-removed.3.patch, YARN-128.old-code-removed.4.patch, YARN-128.patch
>
>
> We should resurrect 'RM Restart' which we disabled sometime during the RM refactor.

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