Cloud Platform Evalution Disk Tests 2 x Intel Xeon E5410 testing with a and on Ubuntu 10.04 via the Phoronix Test Suite. AWS EC2 c1.medium: Processor: 2 x Intel Xeon E5410 @ 2.33GHz (2 Cores), Memory: 2048MB, Disk: 10GB OS: Ubuntu 10.04, Kernel: 2.6.32-311-ec2 (i686), Compiler: GCC 4.4.3, File-System: ext3 Eucalyptus Medium: Processor: QEMU Virtual 0.12.3 @ 25.27GHz (2 Cores), Motherboard: Bochs, Chipset: Intel 440FX - 82441FX PMC, Memory: 1 x 1740 MB RAM, Disk: 32GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Intel 82540EM Gigabit OS: Ubuntu 10.04, Kernel: 2.6.28-11-server (i686), Display Driver: cirrus, Compiler: GCC 4.4.3, File-System: ext2/ext3, System Layer: QEMU AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better AWS EC2 c1.medium . 6.77 |===================================================== Eucalyptus Medium . 3.61 |============================ PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better AWS EC2 c1.medium . 127 |====================================================== Eucalyptus Medium . 25 |===========