Linux 4.17 I/O Scheduler Tests On An NVMe SSD Yield Surprising Results

Linux 4.17 I/O Scheduler Tests On An NVMe SSD Yield Surprising Results: With the Linux 4.17 kernel soon to be released, I've been running some fresh file-system and I/O scheduler tests -- among other benchmarks -- of this late stage kernel code. For your viewing pleasure today are tests of a high performance Intel Optane 900p NVMe SSD with different I/O scheduler options available with Linux 4.17.