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https://issues.apache.org/jira/browse/YARN-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15504076#comment-15504076
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Wangda Tan edited comment on YARN-3140 at 9/19/16 5:28 PM:
-----------------------------------------------------------

Rebased and attached ver.4 patch. [~jianhe]


was (Author: leftnoteasy):
Rebased and attached ver.4 patch.

> Improve locks in AbstractCSQueue/LeafQueue/ParentQueue
> ------------------------------------------------------
>
>                 Key: YARN-3140
>                 URL: https://issues.apache.org/jira/browse/YARN-3140
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager, scheduler
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-3140.1.patch, YARN-3140.2.patch, YARN-3140.3.patch, 
> YARN-3140.4.patch
>
>
> Enhance locks in AbstractCSQueue/LeafQueue/ParentQueue, as mentioned in 
> YARN-3091, a possible solution is using read/write lock. Other fine-graind 
> locks for specific purposes / bugs should be addressed in separated tickets.



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