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https://issues.apache.org/jira/browse/TEZ-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15095187#comment-15095187
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Siddharth Seth commented on TEZ-2978:
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Committed to master. Test failures are unrelated. Thanks for the review.
> Add an option to allow the SplitGrouper to generate node local only groups
> --------------------------------------------------------------------------
>
> Key: TEZ-2978
> URL: https://issues.apache.org/jira/browse/TEZ-2978
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Fix For: 0.8.2
>
> Attachments: TEZ-2978.1.txt, TEZ-2978.2.txt
>
>
> In certain cases, allowing the last few splits to be 'small' - smaller than
> the requested size is beneficial, and can end up creating fewer splits. Also
> this results in all splits having some form of locality information.
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