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This article explains how Nginx's ip_hash directive implements session affinity by routing all requests from the same client IP to a single backend server, provides configuration examples, discusses practical pitfalls, and shares real‑world test results.
This article explains how to achieve session affinity using Nginx's ip_hash directive, covering the concept, configuration syntax, practical examples, common pitfalls, and test results for handling client IP‑based load balancing across backend servers.
This article explains the concept of web sessions, the consistency challenges that arise in distributed server clusters, and evaluates four common solutions—session replication, session affinity, cookie‑based sessions, and dedicated session servers—detailing their use cases, advantages, and drawbacks.