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https://issues.apache.org/jira/browse/HIVE-7978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis resolved HIVE-7978.
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Resolution: Duplicate
> Implement SplitSampler for parallel orderby
> -------------------------------------------
>
> Key: HIVE-7978
> URL: https://issues.apache.org/jira/browse/HIVE-7978
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
>
> Currently for parallel order-by, random sampler is the only choice, which can
> be not good in some cases.
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