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Cloud Computing · Advanced

Aurora Global Database

Aurora feature replicating a database across AWS regions with typical lag under one second for DR and global reads.

Definition

Aurora Global Database uses storage-based replication from a primary region to read-only secondary regions, providing low-latency global reads and disaster recovery with an RPO typically of about a second and RTO of about a minute through managed switchover or failover. Write forwarding lets secondaries forward writes to the primary.

Example

A global retailer serves product reads from secondary regions in Europe and Asia while writes go to us-east-1.

Exam tip

For cross-region relational DR with sub-second replication, choose Aurora Global Database over cross-region read replicas.

Related terms