Ok my fault that did not said this in the blog post. I was playing with Sinatra, and my real page involved substituting a few nested templates, with different

Ok my fault that did not said this in the blog post. I was playing with Sinatra, and my real page involved substituting a few nested templates, with different parts of the site. News box, comments boxes, ... The result was... 30 requests per second once a few templates started to stack, and with mostly toy code. It is easy how things can get worse just doing a few mistakes along this path.