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https://issues.apache.org/jira/browse/YARN-6741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088497#comment-16088497
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Sunil G commented on YARN-6741:
-------------------------------
Thanks [[email protected]] for the patch
A quick question:
Does parent queue have to be stopped before converting it to a LeafQueue? (Or
before deleting all child queues) If the intention is to delete all children of
a queue, it could be STOPPED first and refreshQueue can be done. Post that
operation, we can start and start use it as LeafQueue. Please correct me if I
am wrong or missed something.
> Deleting all children of a Parent Queue on refresh throws exception
> -------------------------------------------------------------------
>
> Key: YARN-6741
> URL: https://issues.apache.org/jira/browse/YARN-6741
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Affects Versions: 3.0.0-alpha3
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Attachments: YARN-6741.001.patch, YARN-6741.002.patch,
> YARN-6741.003.patch
>
>
> If we configure CS such that all children of a parent queue are deleted and
> made as a leaf queue, then {{refreshQueue}} operation fails when
> re-initializing the parent Queue
> {code}
> // Sanity check
> if (!(newlyParsedQueue instanceof ParentQueue) || !newlyParsedQueue
> .getQueuePath().equals(getQueuePath())) {
> throw new IOException(
> "Trying to reinitialize " + getQueuePath() + " from "
> + newlyParsedQueue.getQueuePath());
> }
> {code}
> *Expected Behavior:*
> Converting a Parent Queue to leafQueue on refreshQueue needs to be supported.
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