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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2131) Add a way to nuke the RMStateStore
Date Mon, 16 Jun 2014 18:04:02 GMT

    [ https://issues.apache.org/jira/browse/YARN-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14032694#comment-14032694
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Sangjin Lee commented on YARN-2131:
-----------------------------------

If I understand the rationale of this JIRA correctly, it is really about resetting the RM
state store (clearing it entirely), not on a per-application basis. If we want to do this
while the RM is up, then the command line option is more attractive. If we can afford to bring
down the RM to do this, a startup option is ... an option.

> Add a way to nuke the RMStateStore
> ----------------------------------
>
>                 Key: YARN-2131
>                 URL: https://issues.apache.org/jira/browse/YARN-2131
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Robert Kanter
>
> 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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