tiobench521-medium Xen HVM domU 4.2.amazon testing on Ubuntu 14.04 via the Phoronix Test Suite. test1: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 10GB, 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 Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better test1 . 6551.01 |============================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better test1 . 0.08 |================================================================= Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better test1 . 4782.13 |============================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better test1 . 0.08 |=================================================================