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https://issues.apache.org/jira/browse/HIVE-14002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-14002:
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Status: Open (was: Patch Available)
> Extend limit propagation to subsequent RS operators
> ---------------------------------------------------
>
> Key: HIVE-14002
> URL: https://issues.apache.org/jira/browse/HIVE-14002
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Affects Versions: 2.2.0
> Reporter: Nita Dembla
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14002.patch
>
>
> In some occasions, for instance when RS dedup does not kick in, it is useful
> to propagate the limit to subsequent RS operators, as this will reduce
> intermediary results and impact performance. This issue covers that extension.
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