Node.js looks interesting, BUT I must miss something - isn\'t Node.js tuned only to run on a single process and thread?
Then how does it scale for m
The new kid on the block here is LearnBoost's "Up".
It provides "Zero-downtime reloads" and additionally creates multiple workers (by default the number of CPUs, but it is configurable) to provide the best of all Worlds.
It is new, but seems to be pretty stable, and I'm using it happily in one of my current projects.