fio-ext4 KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. Intel Xeon Gold 6161 - GDI Generic - OpenStack: Processor: Intel Xeon Gold 6161 (1 Core / 2 Threads), Motherboard: OpenStack Foundation Nova (rel-1.10.2-0-g5f4c7b1-20180716_115105-build10b184b164b226 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 49GB, Graphics: GDI Generic, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-45-generic (x86_64), OpenGL: 1.1.0, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Flexible IO Tester 3.1 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Xeon Gold 6161 - GDI Generic - OpenStack . 37.03 |======================= Flexible IO Tester 3.1 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Xeon Gold 6161 - GDI Generic - OpenStack . 112 |========================= Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Xeon Gold 6161 - GDI Generic - OpenStack . 4046 |======================== Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Xeon Gold 6161 - GDI Generic - OpenStack . 129333 |====================== Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Xeon Gold 6161 - GDI Generic - OpenStack . 89.93 |=======================