Designing Schemaless, Uber Engineering’s Scalable Datastore Using MySQL
In Project Mezzanine we described how we migrated Uber’s core trips data from a single Postgres instance to Schemaless, our fault-tolerant and highly available datastore. This article further describes its architecture and the expanded role Schemaless has had in Uber’s infrastructure, and how it came to be.
https://eng.uber.com/schemaless-part-one/