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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5556) Support for deleting queues without requiring a RM restart
Date Wed, 19 Oct 2016 21:34:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15589933#comment-15589933

Daniel Templeton commented on YARN-5556:

Thanks for working on this, [~Naganarasimha].  Some comments:

* In {{CSQueue}}, the javadoc comment should end with a period: {code}   * remove the specified
child queue{code}
* In your message; {{" will be deleted as it as not present in the latest xml"}}, I'd make
a couple changes.  Instead of future tense ("will"), I'd make it present tense ("deleting
queue because...").  Also, I'd be more specific than "latest xml"; give the file name.
* In your message {{" cannot be deleted as one of its children" + queueHavingAppsRunning +
" has apps."}}, I'd say "at least one", and I'd put the queue name in parentheses or put it
at the end after a colon.  Depending on the queue name, the sentence could otherwise be hard
to parse.  Finally, I'd say "has active applications" or "has running applications".
* There's a typo in {{"Queue " + queueName + " cannot be deleted as it as "}} -- as/has
* In {{TestCapacityScheduler}}, after deleting the parent queue, you should also check to
see that the child queue has been deleted.

> Support for deleting queues without requiring a RM restart
> ----------------------------------------------------------
>                 Key: YARN-5556
>                 URL: https://issues.apache.org/jira/browse/YARN-5556
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Xuan Gong
>            Assignee: Naganarasimha G R
>         Attachments: YARN-5556.v1.001.patch, YARN-5556.v1.002.patch
> Today, we could add or modify queues without restarting the RM, via a CS refresh. But
for deleting queue, we have to restart the ResourceManager. We could support for deleting
queues without requiring a RM restart

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