Etsy Migrates 1000-Shard, 425 TB MySQL Sharding Architecture to Vitess

The Etsy engineering team recently described how the company migrated its long-running MySQL sharding infrastructure to Vitess. The transition moved shard routing from Etsy’s internal systems to Vitess using vindexes, enabling capabilities such as resharding data and sharding previously unsharded tables. By Renato Losio