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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3410) YARN admin should be able to remove individual application records from RMStateStore
Date Wed, 22 Apr 2015 07:54:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506613#comment-14506613
] 

Brahma Reddy Battula commented on YARN-3410:
--------------------------------------------

There is site comipliation error, after this in..

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site)
on project hadoop-yarn-site: Error parsing '/home/jenkins/jenkins-slave/workspace/PreCommit-HADOOP-Build/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md':
line [251] Error parsing the model: end tag name </td> must match start tag name <appId>
from line 251 (position: TEXT seen ...td align="left">-remove-application-from-state-store
<appId> </td>... @251:74) -> [Help 1]

Please check the following link for more..

https://builds.apache.org/job/PreCommit-HADOOP-Build/6144/artifact/patchprocess/patchSiteWarnings.txt

> 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-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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