Alipay Experience Technology

Aug 22, 2025 · Fundamentals

Designing Adaptive Time‑Window Formulas: From Theory to Real‑World Cache Optimization

This article explores how to replace fixed‑parameter cache‑expiration settings with mathematically derived, adaptive time‑window formulas that start slow, accelerate, and respect upper bounds, using linear, exponential, and sigmoid models refined through large‑model assistance.