readrandom k readrandom: Processor: 2 x Intel Xeon E5506 @ 2.13GHz (8 Cores), Motherboard: Dell 0HYPX2 (6.4.0 BIOS), Chipset: Intel 5520 I/O + ICH9, Memory: 4 x 8192 MB DDR3-1333MHz M393B1K70EB0-CH9, Disk: 24002GB PERC H700, Graphics: Matrox s MGA G200eW WPCM450, Network: Broadcom Limited NetXtreme II BCM5709 Gigabit OS: Debian 9.3, Kernel: 4.9.0-4-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 Flexible IO Tester 2.16 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /vol MB/s > Higher Is Better readrandom . 1.28 |============================================================ Flexible IO Tester Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /vol IOPS > Higher Is Better readrandom . 317 |=============================================================