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https://issues.apache.org/jira/browse/YARN-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122493#comment-15122493
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Hudson commented on YARN-4519:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9202 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9202/])
YARN-4519. Potential deadlock of CapacityScheduler between decrease (jianhe:
rev 7f46636495e23693d588b0915f464fa7afd9102e)
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSQueue.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMServerUtils.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedContainerChangeRequest.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestContainerResizing.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AppSchedulingInfo.java
> potential deadlock of CapacityScheduler between decrease container and assign
> containers
> ----------------------------------------------------------------------------------------
>
> Key: YARN-4519
> URL: https://issues.apache.org/jira/browse/YARN-4519
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Reporter: sandflee
> Assignee: MENG DING
> Fix For: 2.9.0
>
> Attachments: YARN-4519.1.patch, YARN-4519.2.patch, YARN-4519.3.patch
>
>
> In CapacityScheduler.allocate() , first get FiCaSchedulerApp sync lock, and
> may be get CapacityScheduler's sync lock in decreaseContainer()
> In scheduler thread, first get CapacityScheduler's sync lock in
> allocateContainersToNode(), and may get FiCaSchedulerApp sync lock in
> FicaSchedulerApp.assignContainers().
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