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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/08/04 07:19:03 UTC

[GitHub] [arrow] pitrou commented on issue #13787: why pyarrow ipc so slow?

pitrou commented on issue #13787:
URL: https://github.com/apache/arrow/issues/13787#issuecomment-1204863874

   If you are creating a disk-backed memory map then the OS needs to write out the data at some point. What happens if you locate your memory mapped file inside a tmpfs such as `/dev/shm`?


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