dbench2 io test io: Processor: Common KVM @ 2.30GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 16GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Intel 82540EM Gigabit OS: CentOS 6.5, Kernel: 2.6.32-431.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4 Dbench 4.0 Client Count: 1 MB/s > Higher Is Better io . 152.47 |================================================================== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better io . 319.34 |================================================================== Dbench 4.0 Client Count: 12 MB/s > Higher Is Better io . 388.79 |================================================================== Dbench 4.0 Client Count: 48 MB/s > Higher Is Better io . 483.31 |================================================================== Dbench 4.0 Client Count: 128 MB/s > Higher Is Better io . 417.07 |================================================================== Dbench 4.0 Client Count: 256 MB/s > Higher Is Better io . 362.33 |==================================================================