[AWS Certificate]-Amazon RDS Good thing to know

• Read replica can be made writable (for MySQL/MariaDB)
• For other engines
  • read replica cannot be made writable, but you can promote it to make it writable
• For Oracle and SQL Server
  • Automatic backups or manual snapshots are not supported on the replica
• For Oracle
  • Does not yet support Oracle RAC (a cluster DB with a shared cache archtiecture)
• For SQL Server
  • Supports both Multi-AZ options - Database Mirroring and Always On
• For PostgreSQL
  • Only manual snapshots are supported on the replica (no automatic backups)
  • Set log retention with parameter rds.log_retention_period
• For MySQL/MariaDB
  • Set log retention with stored procedures
  • e.g. call mysql.rds_set_configuration("binlog retention hours', 24);

https://docs.aws.amazon.com/ko_kr/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.BestPractices.html

Amazon Aurora MySQL 모범 사례 - Amazon Aurora