主机测评买了个servgrid的云VPS，512M内存基于KVM VPS，10G SSD硬盘，1T月流量，花费5美元（找官方要的优惠搞来的）。下面简单的给点数据希望对后面想买servgrid的朋友做个简单的参考！

检查下CPU:
root@zhujiceping:~/lnmp1.0-full# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 6
model name : Common KVM processor
stepping : 1
microcode : 0x1
cpu MHz : 2266.746
cache size : 4096 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx lm constant_tsc up pni cx16 hypervisor
bogomips : 4533.49
clflush size : 64
cache_alignment : 128
address sizes : 40 bits physical, 48 bits virtual
power management:

查看下内存：
root@zhujiceping:~/lnmp1.0-full# cat /proc/meminfo
MemTotal: 514456 kB
MemFree: 68676 kB
Buffers: 33364 kB
Cached: 355428 kB
SwapCached: 912 kB
Active: 237628 kB
Inactive: 175060 kB
Active(anon): 19596 kB
Inactive(anon): 4384 kB
Active(file): 218032 kB
Inactive(file): 170676 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 514456 kB
LowFree: 68676 kB
SwapTotal: 471036 kB
SwapFree: 468560 kB
Dirty: 12 kB
Writeback: 0 kB
AnonPages: 23136 kB
Mapped: 8808 kB
Shmem: 84 kB
Slab: 27492 kB
SReclaimable: 21408 kB
SUnreclaim: 6084 kB
KernelStack: 576 kB
PageTables: 820 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 728264 kB
Committed_AS: 137032 kB
VmallocTotal: 509952 kB
VmallocUsed: 3004 kB
VmallocChunk: 506232 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 34808 kB
DirectMap2M: 489472 kB

查看下硬盘使用情况（编译好了环境）：
root@zhujiceping:~/lnmp1.0-full# df -lh
Filesystem Size Used Avail Use% Mounted on
rootfs 9.2G 3.1G 5.7G 35% /
udev 10M 0 10M 0% /dev
tmpfs 51M 196K 51M 1% /run
/dev/mapper/zhujiceping-root 9.2G 3.1G 5.7G 35% /
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 101M 0 101M 0% /run/shm
/dev/vda1 228M 17M 200M 8% /boot

下载测试：
root@zhujiceping:~# wget http://cachefly.cachefly.net/100mb.test
--2013-08-24 22:28:06-- http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net (cachefly.cachefly.net)... 205.234.175.175
Connecting to cachefly.cachefly.net (cachefly.cachefly.net)|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test'

100%[======================================>] 104,857,600 41.0M/s in 2.4s

2013-08-24 22:28:09 (41.0 MB/s) - `100mb.test' saved [104857600/104857600]

其实我是想DD，但是发现SSD命令显示用不了我就没去折腾了
root@zhujiceping:~# dd if=/dev/zero of=test bs=512k count=4k oflag=dsync
4096+0 records in
4096+0 records out
2147483648 bytes (2.1 GB) copied, 41.6037 s, 51.6 MB/s

下面这个是老外的一个简单脚本，显示了网络下载情况和I/O：
root@zhujiceping:~# wget freevps.us/downloads/bench.sh -O - -o /dev/null|bash
CPU model : Common KVM processor
Number of cores : 1
CPU frequency : 2266.746 MHz
Total amount of ram : 502 MB
Total amount of swap : 459 MB
System uptime : 20 min,
Download speed from CacheFly: 44.3MB/s
Download speed from Coloat, Atlanta GA: 11.0MB/s
Download speed from Softlayer, Dallas, TX: 47.8MB/s
Download speed from Linode, Tokyo, JP: 1.39MB/s
Download speed from i3d.net, NL: 1.80MB/s
Download speed from Leaseweb, Haarlem, NL: 1.75MB/s
Download speed from Softlayer, Singapore: 864KB/s
Download speed from Softlayer, Seattle, WA: 4.33MB/s
Download speed from Softlayer, San Jose, CA: 4.53MB/s
Download speed from Softlayer, Washington, DC: 5.05MB/s
I/O speed : 114 MB/s