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https://issues.apache.org/jira/browse/YARN-10674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17298587#comment-17298587
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Qi Zhu commented on YARN-10674:
-------------------------------

Thanks a lot [~pbacsko] for reply.

Your advice make sense to me , and it's the only solution to solve it now, 
because the preemption is related to the enable option.

I will update it in next patch.

Thanks.

> fs2cs: should support auto created queue deletion.
> --------------------------------------------------
>
>                 Key: YARN-10674
>                 URL: https://issues.apache.org/jira/browse/YARN-10674
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Qi Zhu
>            Assignee: Qi Zhu
>            Priority: Major
>              Labels: fs2cs
>         Attachments: YARN-10674.001.patch, YARN-10674.002.patch
>
>
> In FS the auto deletion check interval is 10s.
> {code:java}
> @Override
> public void onCheck() {
>   queueMgr.removeEmptyDynamicQueues();
>   queueMgr.removePendingIncompatibleQueues();
> }
> while (running) {
>   try {
>     synchronized (this) {
>       reloadListener.onCheck();
>     }
> ...
> Thread.sleep(reloadIntervalMs);
> }
> /** Time to wait between checks of the allocation file */
> public static final long ALLOC_RELOAD_INTERVAL_MS = 10 * 1000;{code}



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