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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1734) RM should get the updated Configurations when it transits from Standby to Active
Date Mon, 03 Mar 2014 17:03:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918272#comment-13918272
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Karthik Kambatla commented on YARN-1734:
----------------------------------------

Sorry for jumping in late here.

It appears the AdminService#refreshAll is called on transition to active. However, calling
any of the refresh commands on the Standby throws StandbyException. This can lead to confusion
- we throw an exception even though the refresh command takes affect when the RM transitions
to Active. 

> 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
>             Fix For: 2.4.0
>
>         Attachments: YARN-1734.1.patch, YARN-1734.2.patch, YARN-1734.3.patch, YARN-1734.4.patch,
YARN-1734.5.patch, YARN-1734.6.patch, YARN-1734.7.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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