How to Read Storage Performance and IOPS Correctly
Covers the basics needed to avoid misreading the numbers — the difference between EBS IOPS and physical disk IOPS, random vs. sequential IOPS, and NVMe configuration bottlenecks.
- AWS EBSLowWhat's the Difference Between EBS IOPS and Physical Disk IOPSA document organizing why EBS IOPS cannot be compared directly to physical disk IOPS, based on where the ceiling applies (volume vs. instance) and how to measure it.Last Verified 2026-08-13
- ストレージMediumRandom IOPS vs. Sequential IOPS, and How to Read Benchmark ResultsA document organizing why an IOPS figure cannot be compared without I/O size, queue depth, and read/write ratio, and how to build measurement conditions with fio.Last Verified 2026-08-13