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Jan 25, 2018 · Databases

Step‑by‑Step Guide to Building a Multi‑Node MySQL Group Replication (MGR) Cluster

This tutorial explains the principles of MySQL Group Replication, compares single‑primary and multi‑primary modes, lists its key features and limitations, and provides a complete, code‑rich walkthrough for setting up a three‑node MGR cluster on MySQL 5.7.17.