This has actually been covered before last year: http://news.ycombinator.com/item?id=2571729 http://news.ycombinator.com/item?id=2571729 One interesting comme

This has actually been covered before last year: http://news.ycombinator.com/item?id=2571729 http://news.ycombinator.com/item?id=2571729 One interesting comment: Yup. We tested messagepack a while back in our environment. Speed difference was 2% versus gzipped JSON. Not enough to invest time in changing a working system and losing human readability. Also looks like MsgPack has very poor serialize/deserialize speeds on the JS end: https://gist.github.com/1101623 https://gist.github.com/1101623