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The laws that govern
every system at scale.

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The Laws

Explore the Laws

The mental models that separate junior engineers from senior architects.

"Every read-heavy system eventually becomes a cache design problem. The question isn't whether to cache - it's what to invalidate."

Performance

"In distributed systems, strict consistency is a luxury. The systems that scale embrace eventual consistency where it matters least."

Distributed Systems

"If a component can fail, it will fail - at the worst possible time. Every SPOF is a ticking clock on your system's reliability."

Reliability

"The fastest way to kill a system is to send all traffic to one place."

Scalability

"Data attracts services, applications, and more data. The larger the dataset, the harder it is to move."

Architecture

"There are no perfect systems, only trade-offs you understand and trade-offs you don't."

Fundamentals

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