????????????????????Щ???????????????????????????????????????????????Щ?????????????Щ??????????????κ???????Linux????????????????????ɡ???????????UnixBench???????????CPU?????mbw??????????????iozone?????????IO?????iperf???????????????pgbench??????????????????????????????????????????????????￡?????λ??вο???
??????0?????????????
???????VM??????????Ubuntu????????????2??譎???????????
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:pitti/postgresql
sudo apt-get update
apt-get install libx11-dev libgl1-mesa-dev libxext-dev perl perl-modules make gcc nfs-common postgresql-9.1 postgresql-contrib-9.1 mbw iperf
cd ~
wget http://www.iozone.org/src/current/iozone3_414.tar
wget http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz
tar xvf iozone3_414.tar
tar zxvf UnixBench5.1.3.tgz
cd ~/iozone3_414/src/current
make
cd ~/UnixBench
make
??????1??CPU???????
???????????UnixBench??????CPU????????UnixBench????????????????????????????????????????????????????????????????????UnixBench??????????????????CPU????楨?洢??????????????????????????????????????????????????????UnixBench????????CPU ?????????????????Щ??????????????????UnixBench???????????????????vCPU ?????????????UnixBench?????????????????????????????????????????????????????????????м???????CPU???м??????????????????
????cd ~/UnixBench
????./Run
?????????????????ο????????????????????????????????????????????????????Intel Core i3 540 @ 3.07 GHz ?????????????16 GB??棨DDR3 @ 1333 MHz???????Seagate ST2000DL003-9VT1????SATA??2TB??5900RPM????????Ubuntu 10.04 AMD64 Server??????????????????ext4??????Hypervisor?KVM??qemu-kvm-0.12.3????????????????????????????????????????RAW????????????virtio???洢???????????????????????????????????RAW????????????virtio???洢??NFS??????????CPU?????????????????2 ??vCPU?????????????????????????????????4 GB??棬????Ubuntu 12.04 AMD64 Server?????????????????????ж???????????????NFS??KVM???????κ?????????

????????????????????????????н????κ?????????????￡???????CPU??????棬?????? >> ??????????????? >> NFS????????????????????CPU??????棬?????? >> ??????????????? ?? NFS??????????????????????????????????????棬??????????????????????????????????????????????????????????????????????????????????????????????У???????????????CPU?????????????μ??????????????е???CPU?????????
??????2?????IO???????
???????????iozone?????????IO????????iozone???????????????????IO??????????KBps?????????????????????????IOPS?????????????У???????????????256K???????С?????????д????д?????????????????????д??????????????????????/io.tmp????????????????ò?????????С??4 GB??????????????????????????????????·????????????????????????????????????????????????????NFS???????繲???????????????????/mnt????????????????ò????????·???趨?/mnt/io.tmp??
????cd ~/iozone3_414/src/current
????./iozone -Mcew -i0 -i1 -i2 -s4g -r256k -f /io.tmp