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Posted to issues@arrow.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2018/05/13 15:19:00 UTC

[jira] [Resolved] (ARROW-2569) [C++] Improve thread pool size heuristic

     [ https://issues.apache.org/jira/browse/ARROW-2569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn resolved ARROW-2569.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10.0

Issue resolved by pull request 2026
[https://github.com/apache/arrow/pull/2026]

> [C++] Improve thread pool size heuristic
> ----------------------------------------
>
>                 Key: ARROW-2569
>                 URL: https://issues.apache.org/jira/browse/ARROW-2569
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Antoine Pitrou
>            Assignee: Antoine Pitrou
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.10.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We currently use the number of available HW threads as the default thread pool size for CPU-bound tasks. We should also examine well-known environment variables such as {{OMP_NUM_THREADS}}. Some discussion here: https://bugs.python.org/issue32986



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