Is Vitess free?
Vitess is completely free and open source, originally created by YouTube and now a CNCF project. You can run it on your own infrastructure without licensing costs.
What is Vitess?
Vitess is a database clustering system for horizontal scaling of MySQL. Originally developed at YouTube to scale their databases, it's now used by many large-scale applications.
Vitess vs MySQL?
Vitess adds horizontal scaling capabilities to MySQL. You use the same MySQL queries, but Vitess handles sharding and routing automatically. Use Vitess when you need massive MySQL scale.