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https://issues.apache.org/jira/browse/YARN-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15502944#comment-15502944
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Hudson commented on YARN-3141:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10459 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10459/])
YARN-3141. Improve locks in (jianhe: rev 
b8a30f2f170ffbd590e7366c3c944ab4919e40df)
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java


> Improve locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp
> --------------------------------------------------------------------------
>
>                 Key: YARN-3141
>                 URL: https://issues.apache.org/jira/browse/YARN-3141
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager, scheduler
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>             Fix For: 2.9.0
>
>         Attachments: YARN-3141.1.patch, YARN-3141.2.patch, YARN-3141.3.patch, 
> YARN-3141.4.patch, YARN-3141.5.patch, YARN-3141.6.patch
>
>
> Enhance locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp, 
> 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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