[jira] [Created] (YARN-5724) [Umbrella] Better Queue Management in YARN

["Xuan Gong (JIRA)" <ji...@apache.org>]

Xuan Gong created YARN-5724:
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             Summary: [Umbrella] Better Queue Management in YARN
                 Key: YARN-5724
                 URL: https://issues.apache.org/jira/browse/YARN-5724
             Project: Hadoop YARN
          Issue Type: Task
            Reporter: Xuan Gong
            Assignee: Xuan Gong


This serves as an umbrella ticket for tasks related to better queue management in YARN.

Today's the only way to manage the queue is through admins editing configuration files and then issuing a refresh command. This will bring many inconveniences. For example, the users can not create / delete /modify their own queues without talking to site level admins.

Even in today's approach (configuration-based), we still have several places needed to improve: 
*  It is possible today to add or modify queues without restarting the RM, via a CS refresh. But for deleting queue, we have to restart the resourcemanager.
* When a queue is STOPPED, resources allocated to the queue can be handled better. Currently, they'll only be used if the other queues are setup to go over their capacity.




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