db VMware testing on CentOS Linux 7 via the Phoronix Test Suite. Virtual disk: Processor: 16 x Intel Xeon E5-2690 v3 @ 2.60GHz (16 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 12 x 16384 MB DRAM, Disk: 64GB Virtual disk + 7 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: btrfs, Screen Resolution: 1672x1254, System Layer: VMware Dbench 4.0 Client Count: 1 MB/s > Higher Is Better Virtual disk . 91.93 |========================================================= Dbench 4.0 Client Count: 6 MB/s > Higher Is Better Virtual disk . 106.62 |======================================================== Dbench 4.0 Client Count: 12 MB/s > Higher Is Better Virtual disk . 125.60 |======================================================== Dbench 4.0 Client Count: 48 MB/s > Higher Is Better Virtual disk . 169.08 |======================================================== Dbench 4.0 Client Count: 128 MB/s > Higher Is Better Virtual disk . 170.89 |======================================================== Dbench 4.0 Client Count: 256 MB/s > Higher Is Better Virtual disk . 183.41 |========================================================