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https://issues.apache.org/jira/browse/HIVE-10673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606172#comment-14606172
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Gopal V commented on HIVE-10673:
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[~xuefuz]: this is a re-use of the custom Tez VertexManager from last-year's
Hadoop Summit talk, extending it to reducers
http://www.slideshare.net/Hadoop_Summit/w-235phall1pandey/13
> Dynamically partitioned hash join for Tez
> -----------------------------------------
>
> Key: HIVE-10673
> URL: https://issues.apache.org/jira/browse/HIVE-10673
> Project: Hive
> Issue Type: New Feature
> Components: Query Planning, Query Processor
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-10673.1.patch, HIVE-10673.2.patch,
> HIVE-10673.3.patch, HIVE-10673.4.patch, HIVE-10673.5.patch
>
>
> Reduce-side hash join (using MapJoinOperator), where the Tez inputs to the
> reducer are unsorted.
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