Top Architect

Oct 12, 2023 · Backend Development

Cache Strategies: Consistency Issues, Penetration, Avalanche and Mitigation Techniques

The article explains why high‑frequency disk reads can become a performance bottleneck, introduces common caching patterns such as Cache‑Aside, Read‑Through, Write‑Through and Write‑Behind, discusses consistency problems, cache penetration and avalanche, and presents practical solutions like null‑caching, Bloom filters, distributed locks, staggered TTLs, Redis‑Cluster and Hystrix.