Rapidly scaling online storage to serve over 1 billion ChatGPT users (Part II)

OpenAI explains how it scaled the Habitat storage system, using reliable multi-tenancy, global caching, and Azure Cosmos DB to support over 1 billion ChatGPT users, achieving a 12x improvement in read speed. This is the second part of the series, focusing on engineering practices for multi-tenant reliability, global caching, and Cosmos DB.