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https://issues.apache.org/jira/browse/HIVE-1745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Yongqiang updated HIVE-1745:
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Assignee: (was: He Yongqiang)
> choose hive.groupby.skewindata intelligently
> --------------------------------------------
>
> Key: HIVE-1745
> URL: https://issues.apache.org/jira/browse/HIVE-1745
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
>
> Currently, it is set to false always - it leads to problems when we are
> issuing select distinct from very large tables with a very large number of
> distincts.
> We need to tune it intelligently
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