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https://issues.apache.org/jira/browse/ARROW-12726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michal Nowakiewicz updated ARROW-12726:
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Fix Version/s: (was: 6.0.0)
7.0.0
> [C++][Compute] GroupBy: add parallelism to hash group by
> --------------------------------------------------------
>
> Key: ARROW-12726
> URL: https://issues.apache.org/jira/browse/ARROW-12726
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 4.0.0
> Reporter: Michal Nowakiewicz
> Priority: Major
> Fix For: 7.0.0
>
>
> Implement parallel processing for hash group by.
> Make sure it works well (scales) for different cardinalities of groups.
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