An Amazon RDS EBS-optimized instance with Provisioned IOPS (PIOPS) storage is using less than half of its allocated IOPS over the course of several hours under constant load. The RDS instance exhibits multi-second read and write latency, and uses all of its maximum bandwidth for read throughput, yet the instance uses less than half of its CPU and RAM resources. What should a Database Specialist do in this situation to increase performance and return latency to sub-second levels?

Topic #: - All AWS Certified Database - Specialty Questions

A. Increase the size of the DB instance storage
B. Change the underlying EBS storage type to General Purpose SSD (gp2)
C. Disable EBS optimization on the DB instance
D. Change the DB instance to an instance class with a higher maximum bandwidth

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