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https://issues.apache.org/jira/browse/YUNIKORN-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17730466#comment-17730466
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Wilfred Spiegelenburg commented on YUNIKORN-1566:
-------------------------------------------------

I think we should only support this as a _stop_ of the queue structure and 
{_}drain{_}. A _delete_ should already stop accepting new workloads in the 
queue and let it {_}drain{_}. Maybe with a timeout and preempt the workloads 
after some timeout.

We would really need to look at that as an extended use case, same as parent 
with children that have running apps.

> Handle leaf->parent conversion with running applications
> --------------------------------------------------------
>
>                 Key: YUNIKORN-1566
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1566
>             Project: Apache YuniKorn
>          Issue Type: Sub-task
>          Components: core - scheduler
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>              Labels: pull-request-available
>
> If we have a leaf queue whose type is changed to parent, we need to move the 
> running applications to a special queue and update all affected data 
> structures & metrics.



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