aio-results VMware testing on Ubuntu 18.04 via the Phoronix Test Suite. before-ss: Processor: Intel Xeon E5-2660 v3 @ 2.59GHz (1 Core), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 59GB Virtual disk, Graphics: llvmpipe 3968MB, Network: Intel 82545EM Gigabit OS: Ubuntu 18.04, Kernel: 4.15.0-22-generic (x86_64), OpenGL: 3.0 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware after-ss: Processor: Intel Xeon E5-2660 v3 @ 2.59GHz (1 Core), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 59GB Virtual disk, Graphics: llvmpipe 3968MB, Network: Intel 82545EM Gigabit OS: Ubuntu 18.04, Kernel: 4.15.0-22-generic (x86_64), OpenGL: 3.0 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware after-ss+40Gfile: Processor: Intel Xeon E5-2660 v3 @ 2.59GHz (1 Core), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 59GB Virtual disk, Graphics: llvmpipe 3968MB, Network: Intel 82545EM Gigabit OS: Ubuntu 18.04, Kernel: 4.15.0-22-generic (x86_64), OpenGL: 3.0 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware after-ss-removal: Processor: Intel Xeon E5-2660 v3 @ 2.59GHz (1 Core), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 59GB Virtual disk, Graphics: llvmpipe 3968MB, Network: Intel 82545EM Gigabit OS: Ubuntu 18.04, Kernel: 4.15.0-22-generic (x86_64), OpenGL: 3.0 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better before-ss ........ 371.38 |==================================================== after-ss ......... 69.97 |========== after-ss+40Gfile . 40.53 |====== after-ss-removal . 345.27 |================================================