Amazon Aurora

• proprietary AWS
• compatible with Postgres and Mysql
• Cloud Optimized, 5x performance improvement over Mysql in RDS and 3x performance improvements over Postgres in RDS
• Storage auto increments, starts from 10GB, and grows to 128TB
• Aurora can have 15 read replicas and only sub 10Ms replica lag
• costs 20% more than RDS

Features

1. Back up and recovery
2. Automatic failover
3. Isolation and security
4. Push button scaling
5. Automated patching with zero downtime
6. Backtrack : Restore data to any point without using backups???

Aurora High Availability

• 6 copies of your data across 3 AZ
• 4 copies out of 6 needed for writes
• 3 copies out of 6 needed for Reads (??)