During my presentation at Percona Live 2019, I’ll be talking about how Riot Games, the company behind League of Legends, migrated hundreds of millions of player accounts to unlock opportunities for us to delight players. This meant moving ten geographically distributed databases into a single global database replicated into four AWS regions. I’ll talk about some of the technical decisions we made, the expected vs actual outcomes, and lessons we learned along the way.
Migrating hundreds of millions of player records without impacting a player’s ability to manage their account and log in was a daunting task. I’ll shed some light on how we managed to handle this data migration while modifying the database schema. I’ll also go into detail on the backend …[Read more]