I actually think the basic docs are very good for going over theory. There's a more readable version of them on Google Code: http://code.google.com/p/haproxy-do

I actually think the basic docs are very good for going over theory. There's a more readable version of them on Google Code: http://code.google.com/p/haproxy-docs/wiki/HAProxy http://code.google.com/p/haproxy-docs/wiki/HAProxy Beyond that, it depends how you're using (HTTP load balancing, TCP only, etc) Got any specific questions? We've been running it in production for over a year.