Best traffic / performance / usage monitoring module?

Question

Are there any open source (or I guess commercial) packages that you can plug into your site for monitoring purposes? I\'d like something that we can hook up to our ASP.NET s

Answer 1

If you're after things like server data, would RRDTool be something you're after? It's not really a webserver type stats program though, I have no idea how it would scale.

Edit:

I've also just found Splunk Swarm, if you're interested in something that looks "cool".