disk-sulte VMware testing on CentOS 6.4 via the Phoronix Test Suite. vmware: Processor: Intel Xeon E5405 @ 2.00GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 54GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: VMware kvm-raw-writeback: Processor: QEMU Virtual @ 1.99GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 18GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU kvm-qcow2-writeback: Processor: QEMU Virtual @ 1.99GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 18GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU kvm-raw-writethrough: Processor: QEMU Virtual @ 1.99GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 18GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU kvm-ide-raw-writeback: Processor: QEMU Virtual @ 1.99GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 34GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU kvm-raw-none: Processor: QEMU Virtual @ 1.99GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 18GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-358.14.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU Intel Xeon E5-2630 0: Processor: Intel Xeon E5-2630 0 @ 2.30GHz (2 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 1 x 4096 MB RAM, Disk: 12GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.2, Kernel: 2.6.32-220.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20110731, File-System: ext4 AIO-Stress 0.21 Random Write MB/s > Higher Is Better vmware ................ 40.76 |======================== kvm-raw-writeback ..... 50.00 |============================= kvm-qcow2-writeback ... 29.95 |================== kvm-raw-writethrough .. 20.20 |============ kvm-ide-raw-writeback . 32.48 |=================== kvm-raw-none .......... 29.15 |================= Intel Xeon E5-2630 0 .. 81.44 |================================================ Flexible IO Tester 1.57 Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better vmware ................ 2288.30 |================== kvm-raw-writeback ..... 5455.36 |========================================== kvm-qcow2-writeback ... 5379.12 |========================================= kvm-raw-writethrough .. 5968.40 |============================================== kvm-ide-raw-writeback . 5784.08 |============================================= kvm-raw-none .......... 4760.33 |===================================== Intel Xeon E5-2630 0 .. 446.42 |=== SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better vmware ................ 283.59 |================== kvm-raw-writeback ..... 694.37 |============================================= kvm-qcow2-writeback ... 487.95 |=============================== kvm-raw-writethrough .. 372.97 |======================== kvm-ide-raw-writeback . 382.66 |========================= kvm-raw-none .......... 728.83 |=============================================== Intel Xeon E5-2630 0 .. 73.71 |===== Dbench 4.0 12 Clients MB/s > Higher Is Better vmware ................ 82.18 |================= kvm-raw-writeback ..... 79.76 |================ kvm-qcow2-writeback ... 75.63 |=============== kvm-raw-writethrough .. 79.21 |================ kvm-ide-raw-writeback . 73.66 |=============== kvm-raw-none .......... 102.90 |===================== Intel Xeon E5-2630 0 .. 233.55 |=============================================== Dbench 4.0 48 Clients MB/s > Higher Is Better vmware ................ 125.08 |===================== kvm-raw-writeback ..... 150.81 |========================= kvm-qcow2-writeback ... 96.89 |================ kvm-raw-writethrough .. 100.05 |================= kvm-ide-raw-writeback . 84.43 |============== kvm-raw-none .......... 131.68 |====================== Intel Xeon E5-2630 0 .. 278.07 |=============================================== Dbench 4.0 128 Clients MB/s > Higher Is Better vmware ................ 163.24 |==================== kvm-raw-writeback ..... 91.84 |=========== kvm-qcow2-writeback ... 85.84 |=========== kvm-raw-writethrough .. 74.71 |========= kvm-ide-raw-writeback . 62.65 |======== kvm-raw-none .......... 114.07 |============== Intel Xeon E5-2630 0 .. 379.82 |=============================================== Dbench 4.0 1 Clients MB/s > Higher Is Better vmware ................ 37.13 |==================== kvm-raw-writeback ..... 23.27 |============ kvm-qcow2-writeback ... 20.28 |=========== kvm-raw-writethrough .. 24.50 |============= kvm-ide-raw-writeback . 27.23 |============== kvm-raw-none .......... 26.04 |============== Intel Xeon E5-2630 0 .. 90.31 |================================================ IOzone 3.405 8GB Read Performance MB/s > Higher Is Better vmware ................ 117.31 |=============================================== kvm-raw-writeback ..... 51.20 |===================== kvm-qcow2-writeback ... 49.24 |==================== kvm-raw-writethrough .. 50.90 |==================== kvm-ide-raw-writeback . 50.71 |==================== kvm-raw-none .......... 45.76 |================== Intel Xeon E5-2630 0 .. 26.78 |=========== IOzone 3.405 8GB Write Performance MB/s > Higher Is Better vmware ................ 117.23 |=============================================== kvm-raw-writeback ..... 73.50 |============================= kvm-qcow2-writeback ... 71.87 |============================= kvm-raw-writethrough .. 53.59 |===================== kvm-ide-raw-writeback . 68.53 |=========================== kvm-raw-none .......... 64.15 |========================== Intel Xeon E5-2630 0 .. 98.01 |======================================= Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better vmware ................ 8.21 | kvm-raw-writeback ..... 10.00 | kvm-qcow2-writeback ... 9.42 | kvm-raw-writethrough .. 8.91 | kvm-ide-raw-writeback . 4.96 | kvm-raw-none .......... 9.62 | Intel Xeon E5-2630 0 .. 2931.30 |============================================== Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better vmware ................ 3.19 |=================== kvm-raw-writeback ..... 3.40 |==================== kvm-qcow2-writeback ... 3.33 |==================== kvm-raw-writethrough .. 2.36 |============== kvm-ide-raw-writeback . 2.86 |================= kvm-raw-none .......... 3.00 |================== Intel Xeon E5-2630 0 .. 8.27 |================================================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better vmware ................ 85.63 |========================================== kvm-raw-writeback ..... 98.61 |================================================ kvm-qcow2-writeback ... 82.15 |======================================== kvm-raw-writethrough .. 44.53 |====================== kvm-ide-raw-writeback . 86.06 |========================================== kvm-raw-none .......... 54.92 |=========================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better vmware ................ 69.48 |================================================ kvm-raw-writeback ..... 61.63 |=========================================== kvm-qcow2-writeback ... 52.34 |==================================== kvm-raw-writethrough .. 45.86 |================================ kvm-ide-raw-writeback . 53.42 |===================================== kvm-raw-none .......... 49.23 |================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better vmware ................ 230.34 |============================================= kvm-raw-writeback ..... 238.63 |=============================================== kvm-qcow2-writeback ... 239.78 |=============================================== kvm-raw-writethrough .. 240.70 |=============================================== kvm-ide-raw-writeback . 240.48 |=============================================== kvm-raw-none .......... 223.53 |============================================ Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better vmware ................ 17.05 |======================================= kvm-raw-writeback ..... 19.42 |============================================= kvm-qcow2-writeback ... 20.68 |================================================ kvm-raw-writethrough .. 20.80 |================================================ kvm-ide-raw-writeback . 20.43 |=============================================== kvm-raw-none .......... 20.18 |=============================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better vmware ................ 730 |=================================== kvm-raw-writeback ..... 1026 |================================================= kvm-qcow2-writeback ... 952 |============================================= kvm-raw-writethrough .. 578 |============================ kvm-ide-raw-writeback . 952 |============================================= kvm-raw-none .......... 613 |============================= Gzip Compression 2GB File Compression Seconds < Lower Is Better vmware ................ 26.37 |============ kvm-raw-writeback ..... 75.12 |================================= kvm-qcow2-writeback ... 50.10 |====================== kvm-raw-writethrough .. 83.95 |===================================== kvm-ide-raw-writeback . 84.59 |===================================== kvm-raw-none .......... 106.46 |===============================================