In this blog post series, we will discuss an overview of Vitess technology. Vitess is a database clustering solution for horizontal scaling of data sets currently suitable to 250Gb – 300Gb in sizes*. It’s a proven technology used by several web-scale companies including YouTube. PlanetScale is the company behind developing and supporting this open-sourced project.
Introduction to Vitess
Here’s high-level Vitess architecture visually explained.
Ref: Sugu Sougoumarane presents an overview of Vitess at Highload in Moscow.
Basic Vitess Components
There are two main components of Vitess. One of them is vtgate which works as a query router where vttablet is a proxy to MySQL to serve the data.
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