ymx Xen 4.2.amazon Hypervisor testing on CentOS 6.4 via the Phoronix Test Suite. disk: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB OS: CentOS 6.4, Kernel: 2.6.32-358.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor disk1: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB OS: CentOS 6.4, Kernel: 2.6.32-358.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better disk .. 56.45 |=============================================================== disk1 . 57.64 |================================================================ IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better disk .. 2029.65 |============================================================== disk1 . 2010.21 |============================================================= IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better disk .. 7254.70 |============================================================== disk1 . 7263.55 |============================================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better disk1 . 52.09 |================================================================ IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better disk1 . 6777.58 |============================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better disk1 . 55.54 |================================================================