A company has a three-tier application that is deployed in Amazon Elastic Container Service (Amazon ECS). The application is using an Amazon RDS for MySQL DB instance. The application performs more database reads than writes.
During times of peak usage, the application’s performance degrades. When this performance degradation occurs, the DB instance’s ReadLatency metric in Amazon CloudWatch increases suddenly.
How should a developer modify the application to improve performance?

A. Use Amazon ElastiCache to cache query results.

B. Scale the ECS cluster to contain more ECS instances.

C. Add read capacity units (RCUs) to the DB instance.

D. Modify the ECS task definition to increase the task memory.








 

Suggested Answer: A

Community Answer: A




This question is in DVA-C02 AWS Certified Developer – Associate Exam
For getting AWS Certified Developer – Associate Certificate


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