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https://issues.apache.org/jira/browse/PIG-4117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094592#comment-14094592
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Daniel Dai commented on PIG-4117:
---------------------------------
Similar to MergeJoin(PIG-3647), it uses two DAG:
DAG 1. Build index for right input
DAG 2. Do merge cogroup using the index
> Implement merge cogroup in Tez
> ------------------------------
>
> Key: PIG-4117
> URL: https://issues.apache.org/jira/browse/PIG-4117
> Project: Pig
> Issue Type: Improvement
> Components: tez
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.14.0
>
> Attachments: PIG-4117-1.patch
>
>
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