Vitess is the cloud native, open source technology powering PlanetScale.
Transparent horizontal sharding allows for an unlimited number of database shards without adding complexity to your application.
Vitess’s primary replica configuration allows for seamless failover from a primary to a replica when unexpected events occur.
Migrate your existing MySQL applications with minimal changes while leveraging your MySQL expertise to achieve massive scale.
Online Schema Migrations
Integration with pt-online-schema-change and gh-ost makes it easy to track, control, or cancel schema migrations within a simple interface.
Define materialized views that update continuously or perform real-time roll ups and data transformation without impacting your databases.
Developed at YouTube to run on Borg, the inspiration for Kubernetes, Vitess is ideally suited for running databases in Kubernetes.