One minor correction to your very helpful post: the scalability book you are referring to is "Building Scalable Web Sites" by Cal Henderson (not Clay Shirky).

One minor correction to your very helpful post: the scalability book you are referring to is "Building Scalable Web Sites" by Cal Henderson (not Clay Shirky). http://oreilly.com/catalog/9780596102357/ http://oreilly.com/catalog/9780596102357/