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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2000) Fix ordering of starting services inside the RM
Date Fri, 02 May 2014 15:05:23 GMT

    [ https://issues.apache.org/jira/browse/YARN-2000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13987764#comment-13987764
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Tsuyoshi OZAWA commented on YARN-2000:
--------------------------------------

typoed: s/do you mind finishing/do you mind if you wait for finishing/

> Fix ordering of starting services inside the RM
> -----------------------------------------------
>
>                 Key: YARN-2000
>                 URL: https://issues.apache.org/jira/browse/YARN-2000
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>
> The order of starting services in RM would be:
> - Recovery of the app/attempts
> - Start the scheduler and add scheduler app/attempts
> - Start ResourceTrackerService and re-populate the containers in scheduler based on the
containers info from NMs 
> - ApplicationMasterService either don’t start or start but block until all the previous
NMs registers.
> Other than these, there are other services like ClientRMService, Webapps which we need
to  think about the order too.



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