Ranking with millions of entries

Question

I\'m working on a server for an online game which should be able to handle millions of players. Now the game needs leaderboards and wants to be able to show a players curren

Answer 1

I've read an article recently on solving this kind of problem with Redis. You could still use MySQL as your basic store, but you would cache the unsorted results in Redis and update the rankings in real time. The link can be found here. The last third of the article is about keyed sorts, like you'd have with a rankings list.