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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2014/08/12 22:06:12 UTC

[jira] [Commented] (PIG-4117) Implement merge cogroup in Tez

    [ https://issues.apache.org/jira/browse/PIG-4117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094592#comment-14094592 ] 

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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