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Posted to dev@hive.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2014/12/17 04:24:13 UTC

[jira] [Resolved] (HIVE-8406) Research on skewed join [Spark Branch]

     [ https://issues.apache.org/jira/browse/HIVE-8406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xuefu Zhang resolved HIVE-8406.
-------------------------------
    Resolution: Done

Skew join is fully supported in Spark. We close this task as "done". Thanks, Rui.

> 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
>         Attachments: Skew join background.pdf
>
>
> 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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