Aikesheng Open Source Community
Nov 30, 2023 · Databases
Step‑by‑Step In‑Place Upgrade Guide for MySQL 8.0 (MGR Cluster)
This article provides a comprehensive, step‑by‑step guide for performing an in‑place upgrade of MySQL 8.0 (including MGR clusters) from earlier versions, covering pre‑upgrade checks, backup procedures, configuration changes, data dictionary upgrade, server upgrade, verification, rollback, and common pitfalls.
Database AdministrationIn-Place UpgradeMGR
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