13 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Anybody using cou...
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Scott BiskerDec 1, 2000 8:39 pm 
J. Patrick NarkinskyDec 1, 2000 9:41 pm 
J. Patrick NarkinskyDec 1, 2000 10:55 pm 
Tabor J. WellsDec 2, 2000 1:29 am 
Stefan HornburgDec 2, 2000 2:46 am 
Scott BiskerDec 2, 2000 1:14 pm 
Tabor J. WellsDec 2, 2000 6:00 pm 
Brian CandlerDec 3, 2000 10:36 am 
Scott BiskerDec 4, 2000 7:16 pm 
Scott BiskerDec 5, 2000 6:42 pm 
Jason HaarDec 7, 2000 11:30 am 
Scott BiskerDec 7, 2000 2:21 pm 
Gjermund SorsethDec 11, 2000 12:01 am 
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Subject:Re: [courier-users] Anybody using courier in a high-demand environment?Actions...
From:Gjermund Sorseth (gjer@nextra.com)
Date:Dec 11, 2000 12:01:53 am
List:net.sourceforge.lists.courier-users

How do you find the performance of maildir-style mailboxes?

By that I mean do you have users with 500-1000 messages per folder, and how does netapp's FS handle that?

Excellently. But of course, a folder scan will generate one NFS operation per message, so you want some limit as to how large a folder can be. On my system I presently enforce a hard limit of 3000 messages.

There was always the arguement by people like Mark Crispen that Unix FS is just too bl**dy slow at those kinds of numbers and that's a prime reason not to use maildir.

It depends on how often the directory it is read or written to. A personal mailbox directory is read/written so seldom that it probably doesn't matter much. But if you have a maildir containing 100000 messages it might be a problem.

-- Gjermund Sorseth