DBS-C01 · Question #284
A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application. The application is running continuously and a database specialist is satisfied with high…
The correct answer is A. Enable cluster cache management for the Aurora DB cluster and set the promotion priority for the. Failover priority of writer and reader needs to be Tier-0. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster-
Question
A company is using an Amazon Aurora PostgreSQL DB cluster for the backend of its mobile application. The application is running continuously and a database specialist is satisfied with high availability and fast failover, but is concerned about performance degradation after failover. How can the database specialist minimize the performance degradation after failover?
Options
- AEnable cluster cache management for the Aurora DB cluster and set the promotion priority for the
- BEnable cluster cache management tor the Aurora DB cluster and set the promotion priority for the
- CEnable Query Plan Management for the Aurora DB cluster and perform a manual plan capture
- DEnable Query Plan Management for the Aurora DB cluster and force the query optimizer to use
How the community answered
(24 responses)- A63% (15)
- B8% (2)
- C21% (5)
- D8% (2)
Explanation
Failover priority of writer and reader needs to be Tier-0. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.cluster-
Topics
Community Discussion
No community discussion yet for this question.