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@indygreg
indygreg / Apple Bug Report
Last active November 9, 2022 15:53
Slow readdir() or lstat() behavior for parallel directory walks
(This is the content of https://bugreport.apple.com/web/?problemID=45648013.)
Area:
Something not on this list
Summary: Calling readdir() from multiple threads apparently acquires a global kernel lock, making directory traversal operations from multiple processes extremely slow as the number of parallel I/O operations increases.
Steps to Reproduce: