Topic 1 Question 125
3 つ選択A company is running a critical application that uses an Amazon RDS for MySQL database to store data. The RDS DB instance is deployed in Multi-AZ mode.
A recent RDS database failover test caused a 40-second outage to the application. A solutions architect needs to design a solution to reduce the outage time to less than 20 seconds.
Which combination of steps should the solutions architect take to meet these requirements?
Use Amazon ElastiCache for Memcached in front of the database
Use Amazon ElastiCache for Redis in front of the database
Use RDS Proxy in front of the database.
Migrate the database to Amazon Aurora MySQL.
Create an Amazon Aurora Replica.
Create an RDS for MySQL read replica
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コメント(11)
- 正解だと思う選択肢: CDE
RDS read replica auto failover takes approx 35 seconds hence, BCF does not satisfy under 20 seconds failover requirement. https://aws.amazon.com/rds/features/multi-az/#:~:text=Amazon%20RDS%20Multi%2DAZ%20with%20two%20readable%20standbys,-Automatically%20fail%20over&text=Automatically%20failover%20in%20typically%20under,and%20with%20no%20manual%20intervention.
👍 4AjayD1232023/01/19 CDE. RDS Failover typically takes 60-120 seconds, while Aurora failover completes within 30 seconds. ElastiCache is for reducing latency, not for failover.
👍 4RaghavendraPrakash2023/05/08CDE are correct
👍 3zhangyu200002023/01/16
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