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https://issues.apache.org/jira/browse/YARN-5295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350703#comment-15350703
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Sunil G commented on YARN-5295:
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Hi [~Prabhu Joseph]
Thanks for raising this issue. Couple of doubts here,
If we have {{u:%user:%user}} and {{g:edw:platform}}, and assume *test* is not
present in cluster. But *test* user is still a part of *edw* group. So we have
to submit to *platform* queue.
If *test* queue was present, this app would have got submitted to *test*
itself. Am I correct?
Being said this, we already do a set of checks in CS (I am mentioning 2.7.2 and
trunk)
In trunk, we have {{PlacementManager}} which will do the check before the app
itself is submitted to scheduler. Ref YARN-3635. Also if we use ACLs, we will
have that check also done in {{RMAppManager#submitApplication}} itself.
In 2.7.2, this check is done in CS itself. So application was added to
scheduler and then we will get an APP_REJECTED event.
So I think we do check for queue now, but we are not checking whether its a
leaf queue. And ACLS are already handled in trunk. Could you pls help to
correct if i understood the problem differently.
> YARN queue-mappings to check Queue is present before submitting job
> -------------------------------------------------------------------
>
> Key: YARN-5295
> URL: https://issues.apache.org/jira/browse/YARN-5295
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Affects Versions: 2.7.2
> Reporter: Prabhu Joseph
>
> In yarn Queue-Mappings, Yarn should check if the queue is present before
> submitting the job. If not present it should go to next mapping available.
> For example if we have
> yarn.scheduler.capacity.queue-mappings=u:%user:%user,g:edw:platform
> and I submit job with user "test" and if there is no "test" queue then it
> should check the second mapping (g:edw:platform) in the list and if test is
> part of edw group it should submit job in platform queue.
> Below Sanity checks has to be done for the mapped queue in the list and if it
> fails then the the next queue mapping has to be chosen, when there is no
> queue mapping passing the sanity check, only then the application has to be
> Rejected.
> 1. is queue present
> 2. is queue not a leaf queue
> 3. is user either have ACL Submit_Applications or Administer_Queue of the
> queue.
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