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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (YARN-2131) Add a way to format the RMStateStore
Date Fri, 11 Jul 2014 01:03:54 GMT

     [ https://issues.apache.org/jira/browse/YARN-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli reopened YARN-2131:
-------------------------------------------


Reopening for the addendum..

One other thing that occurred to me was running RM while the format is in progress or vice-versa.
Namenode solves this issue by a lock file. We can do the same here.

Irrespective of the approach, I think handling the above is a major blocker for this feature/patch.
Let's try to do that here too..

> 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, YARN-2131_addendum.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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