test_3 VMware testing on Ubuntu 18.04 via the Phoronix Test Suite. Virtual disk: Processor: Intel Xeon E5-2640 v4 (1 Core), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 1 x 1024 MB DRAM, Disk: 17GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-88-generic (x86_64), Compiler: GCC 7.5.0, File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / MB/s > Higher Is Better Virtual disk . 10.7 |========================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / IOPS > Higher Is Better Virtual disk . 2767 |========================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / MB/s > Higher Is Better Virtual disk . 6.154 |========================================================= Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / IOPS > Higher Is Better Virtual disk . 1535 |========================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / MB/s > Higher Is Better Virtual disk . 6.095 |========================================================= Flexible IO Tester 3.25 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: / IOPS > Higher Is Better Virtual disk . 1523 |==========================================================