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