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In a three-tier application deployed on Amazon ECS with a MySQL RDS instance, which action should a developer take to improve performance during peak usage when the ReadLatency metric spikes due to a higher read-to-write ratio?
A
Implement Amazon ElastiCache to cache frequent query results.
B
Increase the number of ECS instances in the cluster.
C
Enhance the DB instance with additional read capacity units.
D
Adjust the ECS task definition to allocate more memory.
