System Design: Rate Limiter — Token Bucket, Sliding...

How to design a rate limiter in system design interviews — token bucket vs leaky bucket vs sliding window algorithms, Redis-based implementation.

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For broader architectural preparation, read our system design interview guide and our distributed systems interview deep dive.

Mastering system design requires both breadth and depth.

If you're new to system design interviews, start with our system design interview framework.

Senior candidates face a higher bar — see our guide on system design for senior engineers.

Understanding distributed systems fundamentals is essential for senior-level design rounds.

Related reading: Coding Interview Patterns Deep Dive: Master the 15 Patterns.

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