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 proxmox-raw-none: Processor: Common KVM @ 1.99GHz (2 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 3000 MB RAM, Disk: 36GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 6.4, Kernel: 2.6.32-220.23.3.el6.kis_toa.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, 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 |====================== proxmox-raw-none ...... 63.87 |================================================ 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 |===================================== proxmox-raw-none ...... 2259.32 |================= 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 |=============================================== proxmox-raw-none ...... 334.69 |====================== 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 |=============================================== proxmox-raw-none ...... 71.65 |================================= 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 |========================================= proxmox-raw-none ...... 125.98 |======================================= 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 |============================= proxmox-raw-none ...... 181.96 |=============================================== 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 |================================== proxmox-raw-none ...... 31.71 |========================================= 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 |================== proxmox-raw-none ...... 57.13 |======================= 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 |========================== proxmox-raw-none ...... 67.83 |=========================== 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 | proxmox-raw-none ...... 1254.91 |============================================== 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 |=========================================== proxmox-raw-none ...... 3.26 |=============================================== 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 |=========================== proxmox-raw-none ...... 42.43 |===================== 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 |================================== proxmox-raw-none ...... 37.49 |========================== 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 |============================================ proxmox-raw-none ...... 205.62 |======================================== 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 |========================================== proxmox-raw-none ...... 23.23 |================================================ 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 |===================== proxmox-raw-none ...... 1401 |================================================= 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 |=============================================== proxmox-raw-none ...... 27.00 |============