RDS

Question 1

Amazon RDS Overview (Relational Database Service)

Answer 1

Managed DB service for SQL

• Continuous backups and point in time restore
• Monitoring dashboards
• Storage backed by EBS
• CAN’T SSH into instances

Question 2

RDS Deployment: Read Replication

Answer 2

• “Copy” of DB that can be read from
• Only write to main dDB
• Scale reads

Question 3

RDS Deployment:
Multi-AZ

Answer 3

• Failover in case of AZ outage
• Replica created cross AZ
• Backup passive until failover
• Can only have 1 other AZ as a failover

Question 4

RDS Deployment:
Multi Region

Answer 4

• Multi-region read replicas
• Must write cross region to main DB
• DR in case of region issue
• Better performance on read
• Replication cost