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Posted to yarn-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2013/09/09 10:12:51 UTC

[jira] [Updated] (YARN-1163) Cleanup code for AssignMapsWithLocality() in RMContainerAllocator

     [ https://issues.apache.org/jira/browse/YARN-1163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Junping Du updated YARN-1163:
-----------------------------

    Issue Type: Sub-task  (was: Improvement)
        Parent: YARN-18
    
> Cleanup code for AssignMapsWithLocality() in RMContainerAllocator
> -----------------------------------------------------------------
>
>                 Key: YARN-1163
>                 URL: https://issues.apache.org/jira/browse/YARN-1163
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: applications
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Minor
>
> 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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