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System Design

Vocabulary first, then components, then arrangements. Every diagram is data you can also read as text.

System Design

Reason about systems you cannot hold in your head

0/27 chapters10 sections~12h

0%Open course

What’s inside

01
Foundations
The words the rest of the track is written in: scale, latency, throughput, availability and the difference between them.
0/3

Create an account to track progress, save notes and get revision scheduled for you.

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Networking

The path a request takes before your code runs, and the four places you can intervene on it.

0/2

Data

Where state lives: relational and non-relational stores, indexes, replicas, partitions and caches.

0/2

Distributed Systems

What changes when the network is between your components: CAP, consistency models, coordination and queues.

0/2

Infrastructure and Observability

Running the thing: where code executes, how services find each other, and how you see what happened.

0/1

Architecture Patterns

Monolith, modular monolith, microservices and event-driven — as a sequence of trades rather than a ranking.

0/1

Storage Internals

What happens below the query: index structures, transaction isolation, inverted indexes for search, and where large files belong.

0/4

Scaling Reads and Writes

Splitting data across machines, caching it without serving lies, and staying upright when more work arrives than you can do.

0/3

Reliability

Keeping a system correct when its parts are slow, dead or disagreeing: timeouts and retries, consensus, and recovering from the failures you could not prevent.

0/3

Interview Case Studies

Six complete designs, each worked in interview order: requirements, estimates, API, data model, diagram, deep dives, trade-offs and scaling.

0/6