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https://issues.apache.org/jira/browse/YARN-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14695483#comment-14695483
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Hudson commented on YARN-4026:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #283 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/283/])
YARN-4026. Refactored ContainerAllocator to accept a list of priorites rather 
than a single priority. Contributed by Wangda Tan (jianhe: rev 
e5003be907acef87c2770e3f2914953f62017b0e)
* 
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
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
* 
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
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocator.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


> FiCaSchedulerApp: ContainerAllocator should be able to choose how to order 
> pending resource requests
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4026
>                 URL: https://issues.apache.org/jira/browse/YARN-4026
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>             Fix For: 2.8.0
>
>         Attachments: YARN-4026.1.patch, YARN-4026.2.patch, YARN-4026.3.patch
>
>
> After YARN-3983, we have an extensible ContainerAllocator which can be used 
> by FiCaSchedulerApp to decide how to allocate resources.
> While working on YARN-1651 (allocate resource to increase container), I found 
> one thing in existing logic not flexible enough:
> - ContainerAllocator decides what to allocate for a given node and priority: 
> To support different kinds of resource allocation, for example, priority as 
> weight / skip priority or not, etc. It's better to let ContainerAllocator to 
> choose how to order pending resource requests.



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