An ecommerce company has noticed performance degradation of its Amazon RDS based web application. The performance degradation is attribute to an increase in the number of read-only SQL queries triggered by business analysts. A solution architect needs to solve the problem with minimal changes to the existing web application.
What should the solution architect recommend?
A . Export the data to Amazon DynamoDB and have the business analysts run their queries.
B . Load the data into Amazon ElasticCache and have the business analysts run their queries.
C . Create a read replica of the primary database and have the business analysts run their queries.
D . Copy the data into an Amazon Redshift cluster and have the business analysts run their queries.
Answer: C
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