> From the questions we received around the specifics of our performance improvements, there seems to be two schools of thought:

> 1. Of course it’s faster, Node is slow

> 2. You must be doing Node wrong, it can be fast

Allow me to offer a third :)

When you rewrite something, it had better be faster! You know a lot more about how it works and how it's used than you knew at the outset. There was a recent post, about going back to Ruby after creating the first version in Clojure, that touches on this point.