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Posted to yarn-issues@hadoop.apache.org by "Haibo Chen (JIRA)" <ji...@apache.org> on 2018/11/09 00:02:00 UTC
[jira] [Comment Edited] (YARN-8992) Fair scheduler can delete a
dynamic queue while an application attempt is being added to the queue
[ https://issues.apache.org/jira/browse/YARN-8992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680630#comment-16680630 ]
Haibo Chen edited comment on YARN-8992 at 11/9/18 12:01 AM:
------------------------------------------------------------
See [^YARN-8990.002.patch] in YARN-8990 for the proposed fix included in the patch.
was (Author: haibochen):
See [^YARN-8990.002.patch] for the proposed fix included in the patch.
> Fair scheduler can delete a dynamic queue while an application attempt is being added to the queue
> --------------------------------------------------------------------------------------------------
>
> Key: YARN-8992
> URL: https://issues.apache.org/jira/browse/YARN-8992
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 3.1.1
> Reporter: Haibo Chen
> Priority: Major
>
> As discovered in YARN-8990, QueueManager can see a leaf queue being empty while FSLeafQueue.addApp() is called in the middle of
> {code:java}
> return queue.getNumRunnableApps() == 0 &&
> leafQueue.getNumNonRunnableApps() == 0 &&
> leafQueue.getNumAssignedApps() == 0;{code}
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