Vitess is a database clustering system for horizontal scaling of MySQL.

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 Scalability

Vitess combines many important MySQL features with the scalability of a NoSQL database. Its built-in sharding features let you grow your database without adding sharding logic to your application.

 Performance

Vitess automatically rewrites queries that hurt database performance. It also uses caching mechanisms to mediate queries and prevent duplicate queries from simultaneously reaching your database.

 Manageability

Vitess automatically handles functions like master failovers and backups. It uses a lock server to track and administer servers, letting your application be blissfully ignorant of database topology.

 Connection pooling

Vitess eliminates the high-memory overhead of MySQL connections. Its gRPC-based protocol lets Vitess servers easily handle thousands of connections at once.

 Shard Management

MySQL doesn't natively support sharding, but you will likely need it as your database grows. Vitess saves you from having to add sharding logic to your app and also enables live resharding with minimal read-only downtime.

 Workflow

Vitess keeps track of all of the metadata about your cluster configuration so that the cluster view is always up-to-date and consistent for different clients.

 Who uses Vitess

YouTube
Axon
BetterCloud
Flipkart
Hubspot
Slack
Pixel Federation
Quiz of Kings
Nozzle
Square
Stitch Labs

 An Introduction to Vitess