Multi-region Aurora clusters for global performance and disaster recovery

What is Aurora Global Database?

Aurora clusters that span multiple AWS regions for disaster recovery and global performance.

Two Options for Cross-Region Setup

A. Aurora Cross-Region Read Replicas

• Simple read replicas in different regions
• Good for disaster recovery
• Easy to set up

B. Aurora Global Database (Recommended)

• 1 Primary Region (read + write)
• Up to 10 Secondary Regions (read-only)
• Replication lag: Less than 1 second
• Better performance and DR capabilities

Architecture

PRIMARY REGION (us-east-1)
    Applications → Read/Write
           ↓
      Aurora Cluster
           ↓
    [Replication] (< 1 second lag)
           ↓
SECONDARY REGION (eu-west-1)
    Applications → Read Only
           ↓
      Aurora Cluster