forrestchen updated YARN-4022:
    Labels:   (was: YARN patch)

> queue not remove from webpage(/cluster/scheduler) when delete queue in 
> xxx-scheduler.xml
> ----------------------------------------------------------------------------------------
>                 Key: YARN-4022
>                 URL: https://issues.apache.org/jira/browse/YARN-4022
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: forrestchen
> When I delete an existing queue by modify the xxx-schedule.xml, I can still 
> see the queue information block in webpage(/cluster/scheduler) though the 
> 'Min Resources' items all become to zero and have no item of 'Max Running 
> Applications'.
> I can still submit an application to the deleted queue and the application 
> will run using 'root.default' queue instead, but submit to an un-exist queue 
> will cause an exception.
> My expectation is the deleted queue will not displayed in webpage and submit 
> application to the deleted queue will act just like the queue doesn't exist.
> PS: There's no application running in the queue I delete.
> Some related config in yarn-site.xml:
> {code}
> <property>
>         <name>yarn.scheduler.fair.user-as-default-queue</name>
>         <value>false</value>
> </property>
> <property>
>         <name>yarn.scheduler.fair.allow-undeclared-pools</name>
>         <value>false</value>
> </property>
> {code}
> a related question is here: 
> http://stackoverflow.com/questions/26488564/hadoop-yarn-why-the-queue-cannot-be-deleted-after-i-revise-my-fair-scheduler-xm

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