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https://issues.apache.org/jira/browse/IMPALA-8707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-8707:
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Parent: (was: IMPALA-3902)
Issue Type: Improvement (was: Sub-task)
> Consider adding local aggregation step for mt_dop plans
> -------------------------------------------------------
>
> Key: IMPALA-8707
> URL: https://issues.apache.org/jira/browse/IMPALA-8707
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Priority: Major
> Labels: multithreading
>
> We could do a extra local aggregation in cases where it would reduce the
> amount of data sent across the network.
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