fio-5-1-1-1-1-1 KVM testing on Ubuntu 16.04 via the Phoronix Test Suite. Virtual disk: Processor: Intel Xeon E5-2667 v4 @ 3.19GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 8192 MB DRAM, Disk: 54GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: CentOS Linux 7, Kernel: 3.10.0-229.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.14.4, Display Driver: vmware 13.0.2, Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 640x480, System Layer: VMware 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 -: Processor: 8 x Intel Core (Broadwell) @ 2.40GHz (8 Cores), Motherboard: OpenStack Foundation Nova v13.1.4, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 16384 MB RAM QEMU, Disk: 156GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.4.0-96-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, System Layer: KVM Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 100 |=========================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk ........................................ 1852.70 |================ 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 281.69 |== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk ........................................ 474312 |================= 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 70419 |=== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk ........................................ 150.28 |========= 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 293.85 |================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk ........................................ 37567 |========= 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 73459 |================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk ........................................ 2047.70 |================ 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 334.92 |=== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk ........................................ 524082 |================= 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 83727 |=== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 3.48 |=================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 8 x Intel Core (Broadwell) - Cirrus Logic GD 5446 - . 867 |====================