Road to Percona Live 2022 - Pandit Prasad and Vijay Karumajji
summary
Amazon RDS now offers a Multi‑AZ option with one primary and two readable standby DB instances across three Availability Zones that claims up to 2x faster transaction commit latency and typically under 35 second failovers. The design uses local SSDs for primary and standbys with an async flush to EBS, so the commit path completes on local storage. Demo shows configuration steps and verifies readable standbys and failover behavior.
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