ubuntudisk Xen HVM domU 4.2.amazon testing on Ubuntu 14.04 via the Phoronix Test Suite. ubuntudisk: Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 14.04, Kernel: 3.13.0-48-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon Flexible IO Tester 2.1.11 Test: Example Network Job - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better ubuntudisk . 71.87 |=========================================================== Flexible IO Tester 2.1.11 Test: Intel IOMeter File Server Access Pattern - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better ubuntudisk . 28.19 |===========================================================