Selected Java Interview Questions
Jul 27, 2023 · Backend Development
Preventing Cache Penetration with Mutex Locks and Logical Expiration in Redis (Java)
The article explains cache penetration, describes how to prevent it using a Redis‑based mutex lock and a logical expiration strategy, provides complete Java code examples for both approaches, compares their trade‑offs, and shows performance testing results under high concurrency.
CacheRedisbackend
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