Top Architect
May 8, 2021 · Backend Development
Distributed Locks: Why They Are Needed, Required Conditions, and Three Implementation Approaches (Database, Redis, Zookeeper)
This article explains the necessity of distributed locks in multi‑node applications, outlines the essential properties a distributed lock must satisfy, and compares three common implementation methods—database‑based exclusive locks, Redis‑based locks, and Zookeeper‑based locks—highlighting their advantages, drawbacks, and usage patterns.
ConcurrencyDistributed LockRedis lock
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