Which approach implements a true sliding window for per-user limits?

Problem Statement

Explanation

A sliding log keeps each request time and trims those outside the window. The current count equals items within the last W seconds. It is accurate but costs more CPU and memory. A compromise is a rolling window with a few sub-buckets, which balances accuracy and efficiency.

Code Solution

SolutionRead Only

ZADD user:req now now; ZREMRANGEBYSCORE user:req 0 now-W; ZCARD user:req;

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Rate Limiting & Traffic Shaping

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Which approach implements a true sliding window for per-user limits?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Which approach implements a true sliding window for per-user limits?

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