AWS Compute Optimizer now includes improved visibility into IOPS and throughput spikes when deliverings Amazon EBS volume rightsizing recommendations. Compute Optimizer analyzes two additional Amazon CloudWatch metrics, VolumeIOPSExceededCheck and VolumeThroughputExceededCheck, which report whether your workload consistently attempted to drive IOPS or throughput beyond your volume's provisioned performance in any given minute. By factoring in these signals, Compute Optimizer helps you make rightsizing decisions to balance cost with performance for workloads that experience bursts of high IOPS
Source: AWS What's New — read the full report at the original publisher.