iozone_test Xen HVM domU 4.2.amazon testing on Ubuntu 14.04 via the Phoronix Test Suite. ioozone_test: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (1 Core), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, 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 IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 0.98 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 1.01 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 1.00 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 3725.58 |======================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 3229.43 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.00 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.01 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.03 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.02 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioozone_test . 3909.22 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioozone_test . 1.03 |==========================================================