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https://issues.apache.org/jira/browse/MAPREDUCE-5593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du moved YARN-1163 to MAPREDUCE-5593:
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Component/s: (was: applications)
applicationmaster
Key: MAPREDUCE-5593 (was: YARN-1163)
Project: Hadoop Map/Reduce (was: Hadoop YARN)
> Cleanup code for AssignMapsWithLocality() in RMContainerAllocator
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-5593
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5593
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: applicationmaster
> Reporter: Junping Du
> Assignee: Junping Du
> Priority: Minor
> Attachments: YARN-1163-v1.patch, YARN-1163-v2.patch
>
>
> In RMContainerAllocator, AssignMapsWithLocality() is a very important method
> to assign map tasks on allocated containers with conforming different level
> of locality (dataLocal, rackLocal, etc.). However, this method messed with
> different code logic to handle different type of locality but have lots of
> similar behaviours. This is hard to maintain as well as do extension with
> other locality type, so we need some more clear code here.
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