Messages in this thread | | | Date | Tue, 9 Jan 2007 08:23:32 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: How git affects kernel.org performance |
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On Tue, 9 Jan 2007, Fengguang Wu wrote: > > > > The fastest and probably most important thing to add is some readahead > > smarts to directories --- both to the htree and non-htree cases. If > > Here's is a quick hack to practice the directory readahead idea. > Comments are welcome, it's a freshman's work :)
Well, I'd probably have done it differently, but more important is whether this actually makes a difference performance-wise. Have you benchmarked it at all?
Doing an
echo 3 > /proc/sys/vm/drop_caches
is your friend for testing things like this, to force cold-cache behaviour..
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