Magento 2 Redis Configuration: The Complete Guide for 2026

Redis is table stakes for any production Magento store. But "just install Redis" is not enough — the default configuration leaves significant performance on the table. Here's how to configure it correctly. Why separate Redis instances matter Many guides tell you to point all Magento caches at a single Redis instance. Don't do this. Magento uses Redis for three distinct workloads: Default cache — config, layouts, translations (many small, short-lived keys) Full Page Cache (FPC) — rendered HTML pa