Commits
Jonathan Keane authored and Krisztián Szűcs committed be258f2aa64
ARROW-12485: [C++] Use mimalloc as the default memory allocator on macOS Closes #10117 from jonkeane/ARROW-12485 Authored-by: Jonathan Keane <jkeane@gmail.com> Signed-off-by: Krisztián Szűcs <szucs.krisztian@gmail.com>