Oh look, a post on ruby concurrency. LOLZ THREADS. Anyway, let's get past the lolz about ruby and threads and just run this on JRuby okay? Celluloid Celluloid is a ruby library to make concurrency easy. It gives you a nice object oriented interface to the concurrent patterns it provides. We're going to look at two specific interfaces: Actors and Futures. Before we begin, let me say I love Celluloid. I'm just doing this to see how much basic func…