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Posted to jira@arrow.apache.org by "Michal Nowakiewicz (Jira)" <ji...@apache.org> on 2021/09/16 05:58:00 UTC

[jira] [Updated] (ARROW-12726) [C++][Compute] GroupBy: add parallelism to hash group by

     [ https://issues.apache.org/jira/browse/ARROW-12726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michal Nowakiewicz updated ARROW-12726:
---------------------------------------
    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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