MySQL 8.0 to 8.4 LTS Upgrade Guide — Part 5: Change Management, Troubleshooting, and Complete Checklist
Complete MySQL 8.4 upgrade checklist with 41 items, 8 common troubleshooting scenarios, project timeline estimates, and change management templates for production upgrades.
MySQL 8.0 to 8.4 LTS Upgrade Guide — Part 4: Rollback Strategy and Post-Upgrade Validation
Plan your MySQL 8.4 rollback strategy before you start. Plus the complete post-upgrade validation checklist — version checks, replication health, optimizer stats, and monitoring.
MySQL 8.0 to 8.4 LTS Upgrade Guide — Part 3: Upgrade Execution
Three MySQL upgrade approaches compared — replication-based, in-place, and rolling replica. Step-by-step commands, configuration templates, and time estimates for each method.
MySQL 8.0 to 8.4 LTS Upgrade Guide — Part 2: Upgrade Testing
Learn how to test your MySQL 8.0 to 8.4 upgrade using pt-upgrade, dry-run procedures, application compatibility checks, and canary testing before touching production.
MySQL 8.0 to 8.4 LTS Upgrade Guide — Part 1: Pre-Upgrade Preparation
MySQL 8.0 reached EOL on April 6, 2026. This guide covers every pre-upgrade step — backups, upgrade checker, removed parameters, authentication migration, and schema fixes.