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https://issues.apache.org/jira/browse/PIG-365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899990#action_12899990
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Mridul Muralidharan commented on PIG-365:
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collecting only top k per mapper is obviously flawed : unless there are other
constraints not mentioned here (or I misunderstood the bug).
> Map side optimization for Limit (top k case)
> --------------------------------------------
>
> Key: PIG-365
> URL: https://issues.apache.org/jira/browse/PIG-365
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: 0.2.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Priority: Minor
>
> In map side, only collect top k records to improve performance
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