iozone-fast Xen 4.1.5 Hypervisor testing on Debian 7.1 via the Phoronix Test Suite. debian 7 xenserver: Processor: Intel Xeon E3-1230 v3 @ 3.29GHz (1 Core), Memory: 1024MB, Disk: 20GB OS: Debian 7.1, Kernel: 3.2.0-4-amd64 (x86_64), Compiler: GCC 4.7, File-System: ext4, System Layer: Xen 4.1.5 Hypervisor centos 6.4 xenserver notoolss: Processor: Intel Xeon E3-1230 v3 @ 3.29GHz (1 Core), Memory: 1024MB, Disk: 18GB OS: CentOS 6.4, Kernel: 2.6.32-358.el6.x86_64 (x86_64), File-System: ext4, System Layer: Xen 4.1.5 Hypervisor IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better debian 7 xenserver ............ 271.40 |======================================= centos 6.4 xenserver notoolss . 261.89 |====================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better debian 7 xenserver ............ 249.58 |====================================== centos 6.4 xenserver notoolss . 255.64 |======================================= IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better debian 7 xenserver ............ 119.25 |======================================= centos 6.4 xenserver notoolss . 109.52 |==================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better debian 7 xenserver ............ 125.78 |======================================= centos 6.4 xenserver notoolss . 123.30 |====================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better debian 7 xenserver ............ 274.66 |======================================= centos 6.4 xenserver notoolss . 276.96 |======================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better debian 7 xenserver ............ 122.12 |===================================== centos 6.4 xenserver notoolss . 127.13 |=======================================