Starting a job with a running system and real users is a nice “problem” to have but it presents some unique challenges as well. Especially if server monitoring isn’t robust and there are absolutely zero automated tests. Without these two critical components, you’re both operating and developing completely blind. Without monitoring, server changes can’t be [...]
I promised you a couple weeks back to share some more code for building your own XFD (extreme feedback device). Embedding Munin graphs is child’s play, so I thought I’d give you a head-start with the Pingdom API. And we all know how critical site response times are to the success of your online business.
Since Steve Souders’s published “High Performance Websites” back in September 2007, a lot of people finally sat up and took notice of front-end web performance optimization techniques. Over a year later, you’d hope that most folks had figured out the basics like compressing content, using expires headers and reducing requests. Unfortunately, it seems that multi-core [...]