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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5746) The state of the parentQueue and its childQueues should be synchronized.
Date Mon, 07 Nov 2016 23:55:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15645858#comment-15645858
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Wangda Tan commented on YARN-5746:
----------------------------------

[~xgong], thanks for working on the patch.

Does it make sense to you to move all implementations to parseQueue(...)? It looks more clean
to me. It looks like we don't need to change any of AbstractCSQueue and CapacitySchedulerConfiguarition.

And I suggest to build this patch on top of YARN-5761.

> The state of the parentQueue and its childQueues should be synchronized.
> ------------------------------------------------------------------------
>
>                 Key: YARN-5746
>                 URL: https://issues.apache.org/jira/browse/YARN-5746
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler, resourcemanager
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>              Labels: oct16-easy
>         Attachments: YARN-5746.1.patch, YARN-5746.2.patch, YARN-5746.3.patch
>
>
> The state of the parentQueue and its childQeues need to be synchronized. 
> * If the state of the parentQueue becomes STOPPED, the state of its childQueue need to
become STOPPED as well. 
> * If we change the state of the queue to RUNNING, we should make sure the state of all
its ancestor must be RUNNING. Otherwise, we need to fail this operation.



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