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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8406) Research on skewed join [Spark Branch]
Date Thu, 16 Oct 2014 06:55:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14173449#comment-14173449
] 

Rui Li commented on HIVE-8406:
------------------------------

Skew join optimization depends on map join.

> Research on skewed join [Spark Branch]
> --------------------------------------
>
>                 Key: HIVE-8406
>                 URL: https://issues.apache.org/jira/browse/HIVE-8406
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Rui Li
>
> Research on how to handle skewed join for hive on spark. Here is original hive's design
doc for skewed join, https://cwiki.apache.org/confluence/display/Hive/Skewed+Join+Optimization.



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