Bitly: Lessons Building a Distributed System that Handles 6B Clicks a Month
"4 boxes with 1x RAM will always be cheaper than 1 box with 4X RAM."Is that really true? RAM is dirt cheap compared to everything else that goes into a server.And then later under "Lessons Learned" we have: "Put it all on one box if you can. If you don’t need a distributed system then don’t build one. They are complicated and expensive to build."