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

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How we optimized Azure Cosmos DB in our application storage platform, Habitat, to manage unprecedented growth. By Jon Lee, Hrachya Hakobyan, and Chaomin Yu, Members of Technical Staff All OpenAI products require fast, reliable access to data, provided by our storage platform, Habitat. It has to respond in milliseconds to over 1 billion users across 40 geographic regions. Our infrastructure faced an extraordinary challenge: supporting explosive growth and new use cases while continuing to improve reliability, performance, and product developer velocity. Solving that challenge required rethinking how our online storage platform was designed and operated. We constantly evaluated tradeoffs, following the pattern of: first become reliable enough for mission-critical product traffic, then fast enough for global users, and, finally, to deftly operate at massive scale. This two-part series explains how we developed Habitat from a simple client library and database into a globally distributed storage platform serving over 500 petabytes of data. Part I focused on Habitat’s evolution from a Python client to a service. …

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