How a large financial AWS customer implemented high availability and fast disaster recovery for Amazon Aurora PostgreSQL using Global Database and Amazon RDS Proxy
Database Blog
This article discusses how a large financial AWS customer implemented high availability and fast disaster recovery for their Amazon Aurora PostgreSQL database using Global Database and Amazon RDS Proxy.
Specifically, the article covers:
- The design process and goals (sub-minute in-region failover, single-digit minute cross-region recovery)
- Cross-region data replication using Aurora Global Database
- In-region high availability using Aurora replicas and RDS Proxy
- Application layer failover using Amazon Route 53 and health checks
- Testing results showing fast failover times
- Enhancements with new managed failover features from Aurora
- Conclusion highlighting the fast automated failover achieved
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