Shepherd Advanced Notes

Jul 31, 2024 · Backend Development

Understanding Redis Cache Penetration, Breakdown, and Avalanche: Differences and Solutions

The article explains the concepts of Redis cache penetration, cache breakdown, and cache avalanche, compares their causes, and provides practical mitigation techniques such as parameter validation, null‑key caching, Bloom filters, rate limiting, hot‑data pre‑warming, and multi‑level caching to protect database stability.