Sorry about that :) I explicitly referenced a chat server (lots of concurrent, mostly-idle requests) as a case where I'd personally use an async solution. The

Sorry about that :) I explicitly referenced a chat server (lots of concurrent, mostly-idle requests) as a case where I'd personally use an async solution. There are certainly middle-ground cases where the question is muddier (and more religious, likely), and I just wanted to set the record straight that Rails itself is not really in the middle. I'm glad that you agree :)