FjellSystem Design Lab

Learn system design by building it

Short lessons, questions that come back when you need them, and a lab that simulates the architecture you draw.

Start herePerformance versus scalabilityStart the first lesson ReviewNothing due todaySee your progress

At a glance

Lessons done
0 of 68
Challenges solved
0 of 17
Chapters mastered
0 of 17

The course

  1. Chapter 1Foundations of scalable systems0 of 4
  2. Chapter 2Availability, consistency and estimation0 of 4
  3. Chapter 3The edge: routing, proxies and security0 of 4
  4. Chapter 4Scaling relational databases0 of 4
  5. Chapter 5NoSQL and choosing a data store0 of 4
  6. Chapter 6Caching and invalidation0 of 4
  7. Chapter 7Asynchronous processing and events0 of 4
  8. Chapter 8Services, communication and consensus0 of 4
  9. MethodHow to approach a design question0 of 4
  10. Chapter 9Capstone: Pastebin and Bitly0 of 4
  11. Chapter 10Capstone: Twitter timeline and search0 of 4
  12. Chapter 11Capstone: a web crawler0 of 4
  13. Chapter 12Capstone: Mint.com0 of 4
  14. Chapter 13Capstone: social graph search0 of 4
  15. Chapter 14Capstone: a distributed key-value cache0 of 4
  16. Chapter 15Capstone: Amazon sales rank by category0 of 4
  17. Chapter 16Capstone: scaling on AWS0 of 4