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https://issues.apache.org/jira/browse/ARROW-14663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17442881#comment-17442881
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Weston Pace commented on ARROW-14663:
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{quote}(I thought we had made a jira about explaining this difference — even if
it is only/mostly developer focused). \{quote}
There was not a Jira already. There is very little about the thread pools in
the documentation. I have created ARROW-14702
> [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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