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From "Prabhu Joseph (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5295) YARN queue-mappings to check Queue is present before submitting job
Date Fri, 01 Jul 2016 12:40:10 GMT

    [ https://issues.apache.org/jira/browse/YARN-5295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358899#comment-15358899

Prabhu Joseph commented on YARN-5295:

Hi [~sunilg], In addition, we also need to include below code snippet in UserGroupMappingPlacementRule#getMappedQueue
before returning the mapped queue, which will return a valid queue which is a existent leaf

     for (QueueMapping mapping : mappings) {
         if (queue == null || !(queue instanceof LeafQueue)) {
         return queue;

> 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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