Python
donnemartin/system-design-primer
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
★ 376.9k
Stars
59.2k forks · 635 open issues
+125/day
Growth · measured
Stars counted between two of our own snapshots roughly a week apart. The repository page gives the exact span.
66.3
Momentum / 100
see the breakdown below
9y ago
Created
last push 54d ago
Star history
How this score was built
| Component | Weight | Earned | Why |
|---|---|---|---|
| Velocity | 55 | 40.2 | +125/day, log-scaled against a 750/day ceiling |
| Acceleration | 15 | 0.4 | last week ran 1.03× the monthly pace |
| Freshness | 15 | 10.7 | last push 54d ago; decays to zero at 180 days |
| Scale | 15 | 15.0 | 376.9k stars, log-scaled against 150k — stops a 3-star repo topping the board |
| Momentum | 100 | 66.3 | sum of the above |
Detail
| Topics | designdesign-patternsdesign-systemdevelopmentinterviewinterview-practiceinterview-questionsprogrammingpythonsystemwebweb-applicationwebapp |
| Matched on | Learning & Roadmaps (interview-questions) |
| Short window | +875 stars over 7 days = 125.0/day |
| Long window | +3.2k stars over 26 days = 121.8/day |
| Lifetime average | 106.50 stars/day over 3,539 days |
| First seen here | 2026-10-11 |
| Last read | 2d ago |