Apache 2 on FreeBSD 5.3

Claus Guttesen cguttesen at yahoo.dk
Fri Feb 4 02:32:12 PST 2005

> On a FreeBSD 5.3 web server with a very high load, I
> recently switched
> from Apache 1.3 and PHP 4.3 to using 2.0 with the
> prefork MPM and PHP 5.
> I noticed a drop in perfomance. What is currently
> the best (in terms of
> performance) choice for Apache w/ PHP on FreeBSD?
> Which MPM should I
> use? Does worker MPM use KSE on FreeBSD 5 and does
> it perform better
> than prefork? What about perchild and threadpool? Or
> maybe I should go
> back to Apache 1.3? Are there any sysctl or kernel
> tunings that I should
> use?

It is not recommend to use apache 2 with PHP. That's
at least what the folks at php says. We use 1.3 and
are satisfied with the performance.

Have you tried to set the following in

KeepAlive Off
MaxClients (size of one process) / (avail. RAM)


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