PlanetScale's foundation


A battle hardened open source technology hosting some of the largest sites on the Internet.

Why Vitess

Vitess is the cloud native, open source technology powering PlanetScale.

Horizontal Scale

Transparent horizontal sharding allows for an unlimited number of database shards without adding complexity to your application.


High Availability

Vitess’s primary replica configuration allows for seamless failover from a primary to a replica when unexpected events occur.


MySQL Compatible

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.


Materialized Views

Define materialized views that update continuously or perform real-time roll ups and data transformation without impacting your databases.


Kubernetes Native

Developed at YouTube to run on Borg, the inspiration for Kubernetes, Vitess is ideally suited for running databases in Kubernetes.

You have to keep on working on it, but Vitess does provide you essentially with near unlimited scale.
Jon Tirsen, Engineering Manager, Square

Case studies

Vitess in production
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