I've been working on improving memory usage on our Centos 5.5 VDS, which now has 512MB of RAM. I've been able to use a tuneup script to greatly improve the MySQL config but am having a bit more trouble getting Apache's memory usage down. Part of my problem is conflicting advice on a various web sites, forums, etc. Being a production server the normal modify and test cycle I would employ on a test machine would be a bit too disruptive.
To add to my confusion, I have a dev machine configured as near as I can make it to be a clone of the VDS and it uses less RAM with the exact same Apache configuration. Although it's obviously difficult to apply the same load I get pretty close when comparing the two during the quiet times of the day or night.
Is there a tuneup script for Apache, like those available for MySQL, that can help optimize the configuration by analyzing what's happening while the server is running?
Either I've been unclear or people are not reading the question, so I'll clarify.
I'm not asking anyone here to make recommendations or suggest alternatives. I'm asking if someone here knows of a script which can analyze what's happening on the server and make recommendations regarding the Apache configuration based on that information.