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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2773) ReservationSystem's use of Queue names vs paths is inconsistent for CapacityReservationSystem and FairReservationSystem
Date Thu, 20 Nov 2014 18:45:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14219769#comment-14219769
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Anubhav Dhoot commented on YARN-2773:
-------------------------------------

getAdmissionPolicy uses the planQueuePath (fully qualified) while rest of the methods (e.g.
getPlanQueueCapacity) uses planQueueName (just leaf queue name). 

> ReservationSystem's use of Queue names vs paths is inconsistent for CapacityReservationSystem
and FairReservationSystem  
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2773
>                 URL: https://issues.apache.org/jira/browse/YARN-2773
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Anubhav Dhoot
>            Priority: Minor
>
> Reservation system requires use the ReservationDefinition to use a queue name to choose
which reservation queue is being used. CapacityScheduler does not allow duplicate leaf queue
names. Because of this we can refer to a unique leaf queue by simply using its name and not
full path (which includes parentName + "."). FairScheduler allows duplicate leaf queue names
because of which one needs to refer to the full queue name to identify a queue uniquely. This
is inconsistent for the implementation of the AbstractReservationSystem where one implementation
of getQueuePath will do conversion (CapacityReservationSystem) while the FairReservationSystem
will return the same value back 



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