🌱 System Design (Beginner) · Interview Questions (Beginner) · cozy lesson
Design a Rate Limiter 🔒 premium preview
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11 min · 1 min read · no scary math, promise
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You’ve got this. Read a little, play a little — I’ll wait. No rush.
key=user:123, tokens--. Lua atomic. Headers: X-RateLimit-Remaining. Interview: 100 req/min, distributed? Redis + sliding window log for precision.
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Check your understanding
Correct answers earn XP (once each).
1. Token bucket?
2. Where enforce?
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Select text above → Save selection, or write your own. AlgoMaster-style notebook, local-first for MVP.
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The checkbox in the explorer turns green too — same progress.