Upgrading Magento 2.4.5 to 2.4.8: Defusing the Tech Debt Time Bomb Before AWS MySQL 8.0 EOL
Upgrading Magento 2.4.5 to 2.4.8: Defusing the Tech Debt Time Bomb Before AWS MySQL 8.0 EOL Answer-first: Upgrading enterprise Magento 2.4.8 and OpenMage LTS systems off end-of-life AWS RDS MySQL 8.0 requires deploying MySQL 8.4 LTS via AWS Blue/Green Deployments and ProxySQL connection multiplexing. This architecture slashes RDS Extended Support surcharges by 100%, maintains sub-60-second database switchovers with zero checkout downtime, and preserves full transactional data integrity. Prerequisite: Working knowledge of MySQL InnoDB storage engine internals (buffer pools, redo logs, metadata locking), AWS RDS infrastructure management, binary log replication topologies, and high-concurrency PHP/Magento e-commerce database schemas. ...