[imp] Scalability of IMP

[Joseph Brennan]

--On Thursday, June 6, 2002 09:09 +0200 "Kuhl, Oliver" <okuhl@netcologne.de> wrote:

> Hi!
> 
> I'working for a local ISP and are looking for a good webmail program to
> serve about 100,000 users. I installed imp and I really like it. But I'm not
> sure if it handles so many users. In my little testinstallation each click
> takes about a second. I'm not sure if it's the imap-operation or the huge
> horde-framework, that takes the time.
> 
> Does anyone have imp running with thousands of users?
> What hardware do I need?
> Are there any special hints for increasing the performance with imp?
 

You want to make imap as fast as possible.  In IMP, every single page
on screen is a new imap connection: user-password authentication, file
open and read and write, close.  That's our bottleneck here, anyway.

Joseph Brennan                           postmaster@columbia.edu
Academic Technologies Group, Academic Information Systems (AcIS)