Implement a rate limiter at scale

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This is a medium difficulty Coding & Algorithms question, commonly asked during Onsite rounds at Microsoft.

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This question is commonly asked for Software Engineer candidates at Microsoft during technical interviews.

Question

Implement a rate limiter at scale

PracHub · Accepted Answer

This question evaluates understanding of algorithmic and system-level design for per-key rate limiting, including data structures, time/space complexity, concurrency, hot-key mitigation, and distributed deployment in the Coding & Algorithms domain.

Quick Overview

Implement a rate limiter at scale