Chat Service Architecture: ServersLeague of Legends players collectively send millions of messages every day. They're asking friends to duo-queue, suggesting a team comp on the champ select screen, and thanking opponents for a good game. On July 21st of this year (I picked a day at random), players forged 1.7 million new friendships in the game—that’s a lot of love! And each time players send a message they trigger a number of ope
