fio-9k VMware testing on CentOS Linux 7 via the Phoronix Test Suite. Virtual disk: Processor: 16 x Intel Xeon E5-2680 v3 @ 2.50GHz (16 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 12 x 16384 MB DRAM, Disk: 64GB Virtual disk + 8 x 1049GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: CentOS Linux 7, Kernel: 4.7.0-0.rc4.git0.1.el7.centos.x86_64 (x86_64) 20160621, Desktop: GNOME Shell 3.14.4, Display Driver: vmware 13.0.2, Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1672x1254, System Layer: VMware Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: IOPS IOPS > Higher Is Better Virtual disk . 17 |============================================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: MB/s MB/s > Higher Is Better Virtual disk . 239.48 |======================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: IOPS IOPS > Higher Is Better Virtual disk . 20 |============================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: MB/s MB/s > Higher Is Better Virtual disk . 180.36 |======================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: IOPS IOPS > Higher Is Better Virtual disk . 26 |============================================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: MB/s MB/s > Higher Is Better Virtual disk . 239.08 |======================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: IOPS IOPS > Higher Is Better Virtual disk . 18 |============================================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /btrfs - Result: MB/s MB/s > Higher Is Better Virtual disk . 171.03 |========================================================