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On 12 Sep 2000, at 16:06, Michael T. Babcock wrote:

> How does a different filesystem, like ReiserFS help?  Hypothetically?

Any system which doesn't scan directories in linear order but using 
binary search (keeping directory entries sorted, or indexed) helps a 
lot. Not only ReiserFS, but also NTFS lie in that domain. (Well, I 
*think* ReiserFS lies in that domain; I *know* NTFS does.)

Further profiling is needed, though; it may be the case that a 
filesystem with sorted/indexed directories (and logaritmic access 
dependency) scales well but speed sucks with "close-to-empty" 
directories, making it much slower under "normal" circumstances.

Hell, I would like to see ext2 with much better scaling - Maildirs 
would finally stop to suck when overcrowded. But *personally* I 
trust more the code from the "mainstream distribution" (read: ext2) 
then patching my kernel (read: reiserFS). I'll wait until a better 
filesystem claws its way into RedHat distro. :-)

Meanwhile, I'll stick to a big-todo patch.

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--
Petr Novotny, ANTEK CS
[EMAIL PROTECTED]
http://www.antek.cz
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-- Don't you know there ain't no devil there's just God when he's drunk.
                                                             [Tom Waits]

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