aio-disktest QEMU 1.7.1 testing on CentOS 6.5 via the Phoronix Test Suite. aiodisktest: Processor: QEMU Virtual 1.7.1 @ 2.66GHz (2 Cores), Motherboard: Bochs, Memory: 4096MB, Disk: 48GB OS: CentOS 6.5, Kernel: 2.6.32-431.11.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext3, System Layer: QEMU 1.7.1 AIO-Stress 0.21 Random Write MB/s > Higher Is Better aiodisktest . 146.03 |========================================================= SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better aiodisktest . 83.07 |========================================================== Dbench 4.0 12 Clients MB/s > Higher Is Better aiodisktest . 171.60 |========================================================= Dbench 4.0 48 Clients MB/s > Higher Is Better aiodisktest . 375.92 |========================================================= Dbench 4.0 128 Clients MB/s > Higher Is Better aiodisktest . 144.61 |========================================================= Dbench 4.0 1 Clients MB/s > Higher Is Better aiodisktest . 53.33 |========================================================== IOzone 3.405 8GB Read Performance MB/s > Higher Is Better aiodisktest . 71.83 |========================================================== IOzone 3.405 8GB Write Performance MB/s > Higher Is Better aiodisktest . 86.91 |========================================================== Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better aiodisktest . 217.97 |========================================================= Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better aiodisktest . 9.54 |=========================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better aiodisktest . 93.56 |========================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better aiodisktest . 59.53 |========================================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better aiodisktest . 179.29 |========================================================= Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better aiodisktest . 41.11 |========================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better aiodisktest . 536 |============================================================ Gzip Compression 2GB File Compression Seconds < Lower Is Better aiodisktest . 33.97 |========================================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better aiodisktest . 1515.83 |========================================================