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Aurora - Coggle Diagram
Aurora
Security
Features:
- Similar to RDS as it uses the same engine
- Encryption at rest using AWS KMS
- Encryption in flight using SSL (same process as MySQL or PostgreSQL)
- Automated backups, Snapshots, Replicas are encrypted
- IAM authentication using Auth Token (same method as RDS)
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Global Aurora (image)
Features:
- 1 primary region with RW
- Up to 5 secondary regions with R only, replication lag is < 1 second
- Up to 16 Read Replicas per secondary region
- Helps for decreasing latency
- Promoting another region for DR has an recovery time objective (RTO) of < 1 minute
DB Cluster: (image)
- Writer Endpoint (pointing to the Master)
- Reader Endpoint (connection load balancing)
- Can specify a backup retention period, from 1 to 35 days
Features:
- Automatic failover for Master in < 30 seconds, HA native
- Backup and Recovery
- Isolation and security
- Industry compliance
- Push-button scaling
- Automated patching with Zero downtime
- Advanced monitoring
- Routine maintenance
- Backtrack: restore data at any point of time without using backups
- Compatible API for PostgreSQL and MySQL
Cons:
- Costs more than RDS by 20%
Aurora Provisioned DB Cluster:
- Can choose my DB instance class size and create Aurora Replicas to increase read throughput
- Model works well when the database workload is predictable, because I can adjust capacity manually based on the expected workload