Java Tech Workshop

Jun 30, 2026 · Backend Development

Why Most Rate‑Limiting Fails and How to Quickly Add Precise Single‑Node QPS Limiting via AOP & Guava

The article explains why common rate‑limiting approaches often break under high traffic, compares four mainstream algorithms, and provides a step‑by‑step guide to implement a lightweight, non‑intrusive single‑instance QPS limiter using Spring AOP and Guava's token‑bucket RateLimiter.