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https://issues.apache.org/jira/browse/YARN-2378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095045#comment-14095045
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Jian He commented on YARN-2378:
-------------------------------

If we are holding individual lock internally already, this may be not needed?
{code}
    synchronized (source) {
      synchronized (dest) {
        synchronized (app) {
{code}

> Adding support for moving apps between queues in Capacity Scheduler
> -------------------------------------------------------------------
>
>                 Key: YARN-2378
>                 URL: https://issues.apache.org/jira/browse/YARN-2378
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler
>            Reporter: Subramaniam Venkatraman Krishnan
>            Assignee: Subramaniam Venkatraman Krishnan
>              Labels: capacity-scheduler
>         Attachments: YARN-2378.patch, YARN-2378.patch, YARN-2378.patch
>
>
> As discussed with [~leftnoteasy] and [~jianhe], we are breaking up YARN-1707 
> to smaller patches for manageability. This JIRA will address adding support 
> for moving apps between queues in Capacity Scheduler.



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