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https://issues.apache.org/jira/browse/SPARK-9817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681556#comment-14681556
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Apache Spark commented on SPARK-9817:
-------------------------------------

User 'jerryshao' has created a pull request for this issue:
https://github.com/apache/spark/pull/8100

> Improve the container placement strategy by considering the localities of 
> pending container requests
> ----------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-9817
>                 URL: https://issues.apache.org/jira/browse/SPARK-9817
>             Project: Spark
>          Issue Type: Improvement
>          Components: YARN
>            Reporter: Saisai Shao
>            Priority: Minor
>
> Current implementation does not consider the localities of pending container 
> requests, since required locality preferences of tasks will be shifted time 
> to time. It is better to discard outdated container request and recalculate 
> with container placement strategy.



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