[jira] [Commented] (ARROW-14159) [R] Re-allow some multithreading on Windows

["Jonathan Keane (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-14159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17422217#comment-17422217 ] 

Jonathan Keane commented on ARROW-14159:
----------------------------------------

One way to do this would be to add something like the below to the file {{r/tests/testthat/helper-arrow.R}} (which is where we had previously disabled those until ARROW-8379 was merged.

{code:r}
if (tolower(Sys.info()[["sysname"]]) == "windows") {
   options(arrow.use_threads = TRUE)
 }
{code}

> [R] Re-allow some multithreading on Windows
> -------------------------------------------
>
>                 Key: ARROW-14159
>                 URL: https://issues.apache.org/jira/browse/ARROW-14159
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Neal Richardson
>            Priority: Major
>             Fix For: 7.0.0
>
>
> Followup to ARROW-8379, which set use_threads = FALSE on Windows. See discussion about adding more controls, disabling threading in some places and not others, etc. We want to do this soon after release so that we have a few months to see how things behave on CI before releasing again.



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