> just as performant as any JVM based application can be? I know this is not meant to be a leading statement or a subtle dig, but it's left open enough for int

> just as performant as any JVM based application can be? I know this is not meant to be a leading statement or a subtle dig, but it's left open enough for interpretation that I think it's probably why you got downvoted. If you want to get performance out of your Ruby application and it needs to be multi-threaded, I think you usually switch to jruby. I've never had to do that, this is just what I've heard... how I personally read your statement is basically the opposite, as in "JVM is dragging you down, man" - whether that interpretation is warranted or not is left as an exercise for the reader I am really not a fan of drive-by downvoters, by the way...