macOS filesystem cache thrashing?

Tom Limoncelli tal at
Wed Nov 9 17:12:44 UTC 2022

It feels like the filesystem cache on my macOS hosts gets thrashed when I
use the open source version of rsync, but not when I use the Apple-supplied

Has anyone else noticed this behavior?  I don't have any data to prove it,
but I know that my machine feels very different.


Email: tal at    Work: tlimoncelli at
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