How We Upgraded a Production MySQL RDS Cluster from 8.0 to 8.4.9 — With Near-Zero Downtime

Byali

May 24, 2026 #SQL

How We Upgraded a Production MySQL RDS Cluster from 8.0 to 8.4.9 — With Near-Zero Downtime

A real-world playbook for major version upgrades on AWS RDS using Blue/Green deployments, battle-tested across months of validation.

Continue reading on Medium »

How We Upgraded a Production MySQL RDS Cluster from 8.0 to 8.4.9 — With Near-Zero Downtime A real-world playbook for major version upgrades on AWS RDS using Blue/Green deployments, battle-tested across months of validation.Continue reading on Medium » Read More MySQL on Medium

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How We Upgraded a Production MySQL RDS Cluster from 8.0 to 8.4.9 — With Near-Zero Downtime

Byali

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