donnemartin/system-design-primer
★ 374,767 stars
Covered in week 2026-W15 · the 2026-04 report
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
What system-design-primer is
Learning how to design scalable systems will help you become a better engineer.
From the repository README · read it on GitHub →
Transcript
System design courses cost $98. This gives you the same knowledge for free. System design primer teaches you how to build scalable systems with over 200,000 lines of documentation covering load balancing, caching, and data base sharding. It has 342,000 stars on GitHub and includes Anki flashcards for interview prep. Star it if this saved you money.
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