Migrating Etsy’s database sharding to Vitess

323 · Etsy, Inc. · March 19, 2026, 10:02 p.m.
Summary
The blog post details Etsy's migration from a sharded MySQL architecture to Vitess vindexes for improved database management. It outlines the challenges faced with the existing system, including dependency on a single index database and manual scaling processes. The transition to Vitess facilitated more efficient data handling, reduced the complexity of database operations, and allowed for cross-shard queries, resulting in better performance and scalability. Despite the complexities involved, the migration was achieved with minimal downtime and positive outcomes for end users.