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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1574) RMDispatcher should be reset on transition to standby
Date Fri, 10 Jan 2014 20:03:51 GMT

     [ https://issues.apache.org/jira/browse/YARN-1574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Karthik Kambatla updated YARN-1574:

    Summary: RMDispatcher should be reset on transition to standby  (was: When RM transit
from Active to Standby, the same eventDispatcher should not be registered more than once)

> RMDispatcher should be reset on transition to standby
> -----------------------------------------------------
>                 Key: YARN-1574
>                 URL: https://issues.apache.org/jira/browse/YARN-1574
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>            Priority: Blocker
>         Attachments: YARN-1574.1.patch, YARN-1574.1.patch, YARN-1574.2.patch, YARN-1574.2.patch,
YARN-1574.3.patch, YARN-1574.4.patch, YARN-1574.5.patch, YARN-1574.6.patch
> Currently, we move rmDispatcher out of ActiveService. But we still register the Event
dispatcher, such as schedulerDispatcher, RMAppEventDispatcher when we initiate the ActiveService.
> Almost every time when we transit RM from Active to Standby,  we need to initiate the
ActiveService. That means we will register the same event Dispatcher which will cause the
same event will be handled several times.

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