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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1734) RM should get the updated Configurations when it transits from Standby to Active
Date Thu, 20 Feb 2014 01:31:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13906445#comment-13906445
] 

Xuan Gong commented on YARN-1734:
---------------------------------

bq. Why is refreshAdminAcls() required to be done when transitioning state?

It is possible that previous active rm has updated the AdminAcls. In that case, the current
user may not have permission to do transitionToActive or transitionToStandby. That is why
I want to do the checking before transitioning the state.


> RM should get the updated Configurations when it transits from Standby to Active
> --------------------------------------------------------------------------------
>
>                 Key: YARN-1734
>                 URL: https://issues.apache.org/jira/browse/YARN-1734
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>            Priority: Critical
>         Attachments: YARN-1734.1.patch, YARN-1734.2.patch
>
>
> Currently, we have ConfigurationProvider which can support LocalConfiguration, and FileSystemBasedConfiguration.
When HA is enabled, and FileSystemBasedConfiguration is enabled, RM can not get the updated
Configurations when it transits from Standby to Active



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