asynchronous cache

Full-Stack Internet Architecture

Dec 5, 2018 · Backend Development

Cache Breakdown (Cache Penetration) and Mitigation Strategies: Mutex Lock, Asynchronous Cache, and Bloom Filter

This article explains the concept of cache breakdown, illustrates why malicious requests can bypass caches and overload databases, and presents three practical mitigation techniques—using a Redis SETNX‑based mutex lock, asynchronous cache rebuilding, and a Bloom filter—along with their advantages, drawbacks, and performance testing results.