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https://issues.apache.org/jira/browse/YARN-18?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated YARN-18:
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    Attachment: YARN-18-v6.1.patch

Address minor javadoc issue in v6.1 patch. 
                
> Make locatlity in YARN's container assignment and task scheduling pluggable 
> for other deployment topology
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-18
>                 URL: https://issues.apache.org/jira/browse/YARN-18
>             Project: Hadoop YARN
>          Issue Type: New Feature
>    Affects Versions: 2.0.3-alpha
>            Reporter: Junping Du
>            Assignee: Junping Du
>              Labels: features
>         Attachments: 
> HADOOP-8474-ContainerAssignmentTaskScheduling-pluggable.patch, 
> MAPREDUCE-4309.patch, MAPREDUCE-4309-v2.patch, MAPREDUCE-4309-v3.patch, 
> MAPREDUCE-4309-v4.patch, MAPREDUCE-4309-v5.patch, MAPREDUCE-4309-v6.patch, 
> MAPREDUCE-4309-v7.patch, Pluggable topologies with NodeGroup for YARN.pdf, 
> YARN-18.patch, YARN-18-v2.patch, YARN-18-v3.1.patch, YARN-18-v3.2.patch, 
> YARN-18-v3.patch, YARN-18-v4.1.patch, YARN-18-v4.2.patch, YARN-18-v4.3.patch, 
> YARN-18-v4.patch, YARN-18-v5.1.patch, YARN-18-v5.patch, YARN-18-v6.1.patch, 
> YARN-18-v6.patch
>
>
> There are several classes in YARN’s container assignment and task scheduling 
> algorithms that relate to data locality which were updated to give preference 
> to running a container on other locality besides node-local and rack-local 
> (like nodegroup-local). This propose to make these data structure/algorithms 
> pluggable, like: SchedulerNode, RMNodeImpl, etc. The inner class 
> ScheduledRequests was made a package level class to it would be easier to 
> create a subclass, ScheduledRequestsWithNodeGroup.

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