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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-3410) YARN admin should be able to remove individual application records from RMStateStore
Date Wed, 22 Apr 2015 08:52:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Akira AJISAKA resolved YARN-3410.
---------------------------------
    Resolution: Fixed

Committed the addendum patch to trunk and branch-2. Thanks [~rohithsharma] and [~brahmareddy]
for contribution.

> YARN admin should be able to remove individual application records from RMStateStore
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-3410
>                 URL: https://issues.apache.org/jira/browse/YARN-3410
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager, yarn
>            Reporter: Wangda Tan
>            Assignee: Rohith
>            Priority: Critical
>             Fix For: 2.8.0
>
>         Attachments: 0001-YARN-3410-v1.patch, 0001-YARN-3410.patch, 0001-YARN-3410.patch,
0002-YARN-3410.patch, 0003-YARN-3410.patch, 0004-YARN-3410-addendum-branch-2.patch, 0004-YARN-3410-addendum.patch,
0004-YARN-3410-branch-2.patch, 0004-YARN-3410.patch
>
>
> When RM state store entered an unexpected state, one example is YARN-2340, when an attempt
is not in final state but app already completed, RM can never get up unless format RMStateStore.
> I think we should support remove individual application records from RMStateStore to
unblock RM admin make choice of either waiting for a fix or format state store.
> In addition, RM should be able to report all fatal errors (which will shutdown RM) when
doing app recovery, this can save admin some time to remove apps in bad state.



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