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From "Arinto Murdopo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-128) Resurrect RM Restart
Date Wed, 28 Nov 2012 16:21:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505615#comment-13505615
] 

Arinto Murdopo commented on YARN-128:
-------------------------------------

Tested the YARN-128.full-code.5.patch, using ZooKeeper store and the result is positive. ResourceManager
resurrected properly after we killed it.
Experiment overview:
- ZK settings: 1 ZK-Server consisted of 3 different nodes
- HDFS was in single-node setting. YARN and HDFS was executed in the same node.
- Executed bbp and pi examples from the generated hadoop distribution (we built and packaged
the trunk and patch code)
- Killed ResourceManager process when bbp or pi was executing(using Linux kill command) and
started new RM 3 seconds after we killed it. 
                
> 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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