FAANG / Big Tech interview question · Most asked

Design a rate limiter.

Summary

Cover token bucket/leaky bucket/sliding window, where to enforce (gateway/service), distributed counters (Redis), and client identification.

Longer Answer

Cover token bucket/leaky bucket/sliding window, where to enforce (gateway/service), distributed counters (Redis), and client identification. Common infra design question.

Key Points

  • Cover token bucket/leaky bucket/sliding window, where to enforce (gateway/service), distributed counters (Redis), and client identification
  • Common infra design question
  • Relevant areas: System Design, Rate Limit
  • Use the answer to connect the concept back to a realistic production or interview scenario for 'Design a rate limiter.'

Comparison / Tradeoffs

Aspect Notes
Core idea Cover token bucket/leaky bucket/sliding window, where to enforce (gateway/service), distributed counters (Redis), and client identification.
Practical tradeoff Common infra design question.

Explanation

Summary

Common infra design question.

Longer Answer

Common infra design question. Focus on the practical implications across System Design, Rate Limit.

Key Points

  • Common infra design question
  • Focus on the practical implications across System Design, Rate Limit
  • Relevant areas: System Design, Rate Limit
  • Use the answer to connect the concept back to a realistic production or interview scenario for 'Design a rate limiter.'

Comparison / Tradeoffs

Aspect Notes
Core idea Common infra design question.
Practical tradeoff In an interview, relate 'Design a rate limiter.' to implementation decisions, tradeoffs, and operational impact.

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