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https://issues.apache.org/jira/browse/ARROW-6994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16997461#comment-16997461
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Wes McKinney commented on ARROW-6994:
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I have a couple macOS machines on my network that I can give you access to,
stay tuned
> [C++] Research jemalloc memory page reclamation configuration on macOS when
> background_thread option is unavailable
> -------------------------------------------------------------------------------------------------------------------
>
> Key: ARROW-6994
> URL: https://issues.apache.org/jira/browse/ARROW-6994
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> In ARROW-6977, this was disabled on macOS, but this will potentially have
> negative performance and memory implications that were intended to have been
> fixed in ARROW-6910
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