How would you design per-tenant quotas (per second, per day) with burst allowance?

Problem Statement

Explanation

Use token buckets for short-term control and a separate rolling counter for daily caps. The request must pass both checks. Tokens refill each second; the daily counter is a sliding window or a single counter with TTL aligned to a 24-hour window. Keep limits in a shared store with atomic updates. Expose admin APIs to change tiers, and return headers so clients can back off. Shadow-test new limits before enforcing them to avoid surprising customers.

Code Solution

SolutionRead Only

allow = bucket.allow(req) && dailyCounter.withinLimit(tenant);

Practice Sets

This question appears in the following practice sets:

Rate Limiting & Traffic Shaping

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How would you design per-tenant quotas (per second, per day) with burst allowance?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

How would you design per-tenant quotas (per second, per day) with burst allowance?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime