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Posted to github@arrow.apache.org by "westonpace (via GitHub)" <gi...@apache.org> on 2023/04/26 21:59:36 UTC

[GitHub] [arrow] westonpace commented on issue #35319: [C++] Why is arrow mmap marked MAP_PRIVATE (during read)?

westonpace commented on issue #35319:
URL: https://github.com/apache/arrow/issues/35319#issuecomment-1524095587

   Since we are not doing any rights there *shouldn't* be any difference.  I suspect we picked `MAP_PRIVATE` just because it was more foolproof.
   
   This seems unrelated to how many times something might call `mmap`.


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