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https://issues.apache.org/jira/browse/PIG-1458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12904451#action_12904451
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Richard Ding commented on PIG-1458:
-----------------------------------
Patch committed to trunk.
> aggregate files for replicated join
> -----------------------------------
>
> Key: PIG-1458
> URL: https://issues.apache.org/jira/browse/PIG-1458
> Project: Pig
> Issue Type: Improvement
> Reporter: Olga Natkovich
> Assignee: Richard Ding
> Fix For: 0.8.0
>
> Attachments: PIG-1458.patch, PIG-1458_1.patch
>
>
> We have noticed that if the smaller data in replicated join has many files,
> this puts unneeded burden on the name node. pre-aggregating the files can
> improve the situation
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