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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1696) Document RM HA
Date Tue, 29 Apr 2014 00:28:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-1696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13983788#comment-13983788
] 

Tsuyoshi OZAWA commented on YARN-1696:
--------------------------------------

Updated a document based on Masatake's and Karthik's patch:

* Clarified the reason why there is no need to run a separate ZKFC daemon.
* Clarified what Web Services means.
* Removed sentences not related to fail-over(restart-related topics)
* Mentioned ConfiguredRMFailoverProxyProvider as a default value of RMFailoverProxyProvider.
* Mentioned FileSystemRMStateStore and ZKRMStateStore and clarified why ZKRMStateStore is
preferred.



> Document RM HA
> --------------
>
>                 Key: YARN-1696
>                 URL: https://issues.apache.org/jira/browse/YARN-1696
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.3.0
>            Reporter: Karthik Kambatla
>            Assignee: Tsuyoshi OZAWA
>            Priority: Blocker
>         Attachments: YARN-1676.5.patch, YARN-1696-3.patch, YARN-1696.2.patch, YARN-1696.4.patch,
rm-ha-overview.png, rm-ha-overview.svg, yarn-1696-1.patch
>
>
> Add documentation for RM HA. Marking this a blocker for 2.4 as this is required to call
RM HA Stable and ready for public consumption. 



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