On Fri, Apr 08, 2005 at 12:03:49PM -0700, Linus Torvalds wrote:
> Yes, doing the stat just on the directory (on leaf directories only, of
> course, but nlink==2 does say that on most filesystems) is indeed a huge
> potential speedup.
Here I measure about 6ms for cache --- essentially below the noise
threshold for something that does real work.
> It doesn't matter so much for the cached case, but it _does_ matter
> for the uncached one.
Doing the minimal stat cold-cache here is about 6s for local disk.
I'm somewhat surprised it's that bad actually.
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