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https://issues.apache.org/jira/browse/ARROW-14663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17441811#comment-17441811
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Neal Richardson commented on ARROW-14663:
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IMO I think it would be odd to only add this for csv read/write since we have
lots of things that use multithreading. And I'm not sure that adding arguments
to every function is a good idea. We already provide the global thread pool
controls: aside from just keeping up with arguments added to readr functions,
is there value in doing this?
> [R] Expose number of threads in read_csv_arrow() and write_csv_arrow()
> ----------------------------------------------------------------------
>
> Key: ARROW-14663
> URL: https://issues.apache.org/jira/browse/ARROW-14663
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Dragoș Moldovan-Grünfeld
> Priority: Minor
>
> As of {{readr}} 2.0.0 (and the switch to {{vroom}}) both {{read_csv()}} and
> {{write_csv()}} allow the user to pass the number of threads to be used when
> processing (the {{num_threads}} argument). Currently this functionality is
> not exposed in Arrow. Some functionality (not yet the CSV read or write)
> allows the user to use the global CPU thread pool, but {{num_threads}} would
> offer more granular control.
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