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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2131) Add a way to format the RMStateStore
Date Wed, 09 Jul 2014 20:59:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14056748#comment-14056748
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Vinod Kumar Vavilapalli commented on YARN-2131:
-----------------------------------------------

Sorry, didn't pay attention before. "yarn resourcemanager -format" is a bit misleading to
me. RM may in future have more information that is not necessarily persisted into the state-store.

How about renaming it to be "yarn resourcemanager -format-state-store" to be explicit? We
can do "yarn state-store -format", but cannot think of more operations at the moment.

Thoughts? We can do an addendum here if others agree.

> Add a way to format the RMStateStore
> ------------------------------------
>
>                 Key: YARN-2131
>                 URL: https://issues.apache.org/jira/browse/YARN-2131
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Robert Kanter
>             Fix For: 2.6.0
>
>         Attachments: YARN-2131.patch, YARN-2131.patch
>
>
> There are cases when we don't want to recover past applications, but recover applications
going forward. To do this, one has to clear the store. Today, there is no easy way to do this
and users should understand how each store works.



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