>Handling requests over separate threads, like 99% of languages do, still isn't enough if all the business logic runs on the same thread. I mean, if your busin

>Handling requests over separate threads, like 99% of languages do, still isn't enough if all the business logic runs on the same thread. I mean, if your business logic is inherently serial it makes little difference if you run it in a single thread or if each serial segment in between IO requests is run in a different thread. One way or another it's not going to get parallelized.