[imp] Performance scaling.

andrew morgan morgan@orst.edu
Wed, 26 Sep 2001 09:58:44 -0700 (PDT)


On Wed, 26 Sep 2001, Michael Bull wrote:

> (Sorry for the double post, I botched the subject line).
>
> I'm looking to hear from other administrators of IMP, particularly those
> running IMP+Apache+Postgres on how they've optimized their system to better
> handle load.   Our web-mail service launch here at the University of Guelph
> is now in it's first full year of production use, and we're getting almost
> 10,000 logins to webmail per day on our Sun E250 server; at the busy points
> in the day, we're running 1000 process and the machine is 0% idle.
>
> While I know there are documents on apache performance turning, I'm
> interested to know from those that have already been there what they've
> found most useful.  Thanks all!

If you're using SSL, get Sun's Crypto Accelerator card.  We use that in
our Sun E250 doing webmail and it has made a big difference in the
performance.

	Andy