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Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees


From: Charles Duffy
Subject: Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees
Date: Tue, 06 Jan 2004 23:32:24 -0600

On Tue, 2004-01-06 at 21:41, Miles Bader wrote:
> Wait a minute, so you've _entirely disabled_ inode-sigs?  That seems
> like a fairly significant lose...

Depends on where you are. On AFS, for instance, stat() calls aren't
cached on the client, so they're potentially much slower (!) than
read()s; for that reason, checking the inode signatures is exceedingly
slow there, and so this optimization will be a very substantial gain.

(Yes, I realize that AFS is not a common case).





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