Architecture Case Studies

Learn from the masters.

Deep dives into the architecture of complex real-world systems. Each study dissects the constraints, trade-offs, and smart design solutions that shaped the systems millions of people depend on daily.

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Netflix: Microservices, Chaos, and the Art of Failing Gracefully

Advanced

How Netflix evolved from a monolithic DVD rental app to a globally distributed streaming platform serving 260+ million subscribers — and why they intentionally break their own systems.

6 min read·Netflix
Distributed SystemsResilience EngineeringMicroservicesChaos Engineering
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WhatsApp: 2 Billion Users, 50 Engineers, and the Power of Erlang

Intermediate

How WhatsApp achieved planet-scale messaging with a radically small team by choosing Erlang's concurrency model and rejecting the complexity of microservices entirely.

6 min read·WhatsApp
ConcurrencyVertical ScalingLanguage DesignMinimalist Architecture
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Uber: From Monolith to Microservices to DOMA — A Three-Act Architecture

Advanced

How Uber's architecture evolved through three distinct phases — and why their microservices decomposition almost broke the company before DOMA saved it.

6 min read·Uber
MicroservicesDomain ArchitectureOrganizational ScalingService Mesh
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Git: The Elegant Machinery of Content-Addressable Storage

Intermediate

How Linus Torvalds designed a version control system from first principles — using Merkle trees, DAGs, and content-addressable storage to create something deceptively simple yet extraordinarily powerful.

6 min read·Git
Data StructuresDistributed SystemsContent-Addressable StorageGraph Theory
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Slack: The Hidden Complexity of Real-Time Messaging at Enterprise Scale

Advanced

How Slack architects real-time messaging for millions of concurrent users while maintaining search, delivery guarantees, and the illusion of simplicity.

7 min read·Slack
Real-Time SystemsWebSocketsSearch InfrastructureFan-Out Architecture