Forgot to mention that we have also seriously talked about buying InterBase
licenses since it has native SMP support - although I - due to my
'religion' - would hate to support Borland's database.

Would you prefer Windows or Linux in a high load environment?
Regards
Jan

----- Original Message -----
From: ""Alan McDonald"" <alan@...>
Newsgroups: egroups.ib-support
To: <firebird-support@yahoogroups.com>
Sent: Friday, June 18, 2004 3:13 PM
Subject: RE: [firebird-support] FireBird in a heavy load environment


> > My company is about to implement a rather large installation which
> > has to deal with up to 400 concurrent users. Our environment is as
> > follows. We have bought 4 front end servers running an IBX-app on a
> > Windows Terminal Server 2003 (100 users / server), one server
> > working as domain controller and one back-end server. The back-end
> > server is a Win2003 server dedicated to running the FireBird
> > (superserver). My question is, and I know it is a tough
> > one, can I expect to run into performance problems when dealing with
> > 400 concurrent users on 1-2 large databases (approximately 100 MB - 1
> > GB in size). The back end server is quite powerfull (2 x XEON 2.9 and
> > 3 GB RAM, RAID-5). I know that I have to set CPU-affinity so that the
> > OS and the database runs on separate processors.
> >
> > I am really interested in knowing whether anyone has experiens in
> > running FireBird in a similar environment. (By the way I have read
> > the user stories at IBPhoenix.com but I noticed that most of the
> > companies didn't have a large number of concurrent users).
> >
> > Regards
> > Jan Jensen
>
> together with Phil's comments, I would also have a backup plan of a 3 tier
> approach as well. 400 simultaneous users can be more easily supported with
> an application layer.
> Alan
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