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Posted to jira@arrow.apache.org by "David Li (Jira)" <ji...@apache.org> on 2021/06/15 15:23:00 UTC

[jira] [Resolved] (ARROW-12597) [C++] Implement OptionalParallelForAsync

     [ https://issues.apache.org/jira/browse/ARROW-12597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Li resolved ARROW-12597.
------------------------------
    Resolution: Fixed

Issue resolved by pull request 10482
[https://github.com/apache/arrow/pull/10482]

> [C++] Implement OptionalParallelForAsync
> ----------------------------------------
>
>                 Key: ARROW-12597
>                 URL: https://issues.apache.org/jira/browse/ARROW-12597
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: David Li
>            Assignee: David Li
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 5.0.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> In ARROW-11843 we found that we still can't enable parallel column conversion for Parquet datasets because the Arrow Parquet reader uses OptionalParallelFor, which does a parallel wait. We should provide an async version to avoid nested parallelism.



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