An ecommerce company runs an application on AWS. The application has an Amazon API Gateway API that invokes an AWS Lambda function. The data is stored in an Amazon RDS for PostgreSQL DB instance. During the company's most recent flash sale, a sudden increase in API calls negatively affected the application's performance. A solutions architect reviewed the Amazon CloudWatch metrics during that time and noticed a significant increase in Lambda invocations and database connections. The CPU utilization also was high on the DB instance. What should the solutions architect recommend to optimize the application's performance?

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Accepted Answer

C. Create an RDS proxy by using the Lambda console. Modify the Lambda function to use the proxy

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A. Increase the memory of the Lambda function. Modify the Lambda function to close the database

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B. Add an Amazon ElastiCache for Redis cluster to store the frequently accessed data from the RDS

Answer

D. Modify the Lambda function to connect to the database outside of the function's handler. Check

An ecommerce company runs an application on AWS. The application has an Amazon API Gateway API that invokes an AWS Lambda function. The data is stored in an Amazon RDS for PostgreSQL DB instance…

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