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https://issues.apache.org/jira/browse/ARROW-12485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs resolved ARROW-12485.
-------------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 10117
[https://github.com/apache/arrow/pull/10117]
> [C++] Use mimalloc as the default memory allocator on macOS
> -----------------------------------------------------------
>
> Key: ARROW-12485
> URL: https://issues.apache.org/jira/browse/ARROW-12485
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Jonathan Keane
> Assignee: Jonathan Keane
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> This is a follow on to ARROW-12316 which was supposed to do that (and I
> thought it did!) but now I'm suspecting we actually wanted that if logic at
> https://github.com/apache/arrow/blob/master/cpp/src/arrow/memory_pool.cc#L168-L180
> instead/as well or even better use the first element in
> {{SupportedBackends()}} vector.
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