首先感谢"ARK"兄弟提供bandwagonhost家的这款VPS【bandwagonhost-7美元/4g内存/30gSSD/2T流量】，这里我先将配置再啰嗦下：基于openvz,4G内存，30G纯固态硬盘，2T流量...我这里是用的官方提供的默认的debian7 64位的系统，直接上结果吧：

top - 22:53:11 up 4 min, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 20 total, 1 running, 19 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 4194304 total, 32576 used, 4161728 free, 0 buffers
KiB Swap: 524288 total, 0 used, 524288 free, 17008 cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 30184 2124 1408 S 0.0 0.1 0:00.09 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd/21426
3 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khelper/21426
95 root 20 0 16984 868 652 S 0.0 0.0 0:00.00 upstart-udev-br
110 root 20 0 21296 1340 780 S 0.0 0.0 0:00.00 udevd
154 root 20 0 21292 1020 460 S 0.0 0.0 0:00.00 udevd
155 root 20 0 21292 1020 460 S 0.0 0.0 0:00.00 udevd
249 root 20 0 14932 688 440 S 0.0 0.0 0:00.00 upstart-socket-
1601 root 20 0 49804 1240 632 S 0.0 0.0 0:00.00 sshd
1631 root 20 0 58748 1636 1180 S 0.0 0.0 0:00.00 rsyslogd
1676 root 20 0 57484 992 404 S 0.0 0.0 0:00.00 saslauthd
1677 root 20 0 57484 636 48 S 0.0 0.0 0:00.00 saslauthd
1829 root 20 0 57732 2068 540 S 0.0 0.0 0:00.00 sendmail-mta
1900 root 20 0 19516 956 756 S 0.0 0.0 0:00.00 xinetd
1933 root 20 0 71540 2936 1284 S 0.0 0.1 0:00.00 apache2
1936 www-data 20 0 71564 2284 620 S 0.0 0.1 0:00.00 apache2
1977 root 20 0 18832 968 732 S 0.0 0.0 0:00.00 cron
2012 root 20 0 71144 3592 2788 S 0.0 0.1 0:00.02 sshd
2014 root 20 0 17804 1980 1508 S 0.0 0.0 0:00.00 bash
2018 root 20 0 21576 1480 1072 R 0.0 0.0 0:00.00 top

4G内存的情况下还有512M的vswap，这还是可以了的！
root@server:~# free -m
total used free shared buffers cached
Mem: 4096 31 4064 0 0 16
-/+ buffers/cache: 14 4081
Swap: 512 0 512

这次用的CPU还算对得起观众了吧？X5650 @ 2.67GHz
root@server:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 44
model name : Intel(R) Xeon(R) CPU X5650 @ 2.67GHz
stepping : 2
cpu MHz : 2666.960
cache size : 12288 KB
physical id : 0
siblings : 12
core id : 0
cpu cores : 6
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 moni"不可描述" ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_"不可描述" vnmi flexpriority ept vpid
bogomips : 5333.92
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 44
model name : Intel(R) Xeon(R) CPU X5650 @ 2.67GHz
stepping : 2
cpu MHz : 2666.960
cache size : 12288 KB
physical id : 0
siblings : 12
core id : 1
cpu cores : 6
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 moni"不可描述" ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat epb dts tpr_"不可描述" vnmi flexpriority ept vpid
bogomips : 5333.92
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:

G口，这个大家都知道他们家一直就这样
root@server:~# wget http://cachefly.cachefly.net/100mb.test
--2014-03-15 22:54:38-- 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 60.9M/s in 1.6s

2014-03-15 22:54:40 (60.9 MB/s) - `100mb.test' saved [104857600/104857600]

拖一个日本的看看
root@server:~# wget http://speedtest.tokyo.linode.com/100MB-tokyo.bin
--2014-03-15 22:55:45-- http://speedtest.tokyo.linode.com/100MB-tokyo.bin
Resolving speedtest.tokyo.linode.com (speedtest.tokyo.linode.com)... 106.187.96.148, 2400:8900::4b
Connecting to speedtest.tokyo.linode.com (speedtest.tokyo.linode.com)|106.187.96.148|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100MB-tokyo.bin'

100%[====================================>] 104,857,600 6.86M/s in 16s

2014-03-15 22:56:01 (6.20 MB/s) - `100MB-tokyo.bin' saved [104857600/104857600]

看看硬盘的IO如何，不然这SSD就浪费了
root@server:~# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 0.937815 s, 1.1 GB/s

全面点的看看网络和I/O情况
root@server:~# wget freevps.us/downloads/bench.sh -O - -o /dev/null|bash
CPU model : Intel(R) Xeon(R) CPU X5650 @ 2.67GHz
Number of cores : 2
CPU frequency : 2666.960 MHz
Total amount of ram : 4096 MB
Total amount of swap : 512 MB
System uptime : 9 min,
Download speed from CacheFly: 48.7MB/s
Download speed from Coloat, Atlanta GA: 51.8MB/s
Download speed from Softlayer, Dallas, TX: 6.99MB/s
Download speed from Linode, Tokyo, JP: 5.99MB/s
Download speed from i3d.net, Rotterdam, NL: 2.88MB/s
Download speed from Leaseweb, Haarlem, NL: 10.1MB/s
Download speed from Softlayer, Singapore: 3.67MB/s
Download speed from Softlayer, Seattle, WA: 7.42MB/s
Download speed from Softlayer, San Jose, CA: 6.70MB/s
Download speed from Softlayer, Washington, DC: 47.6MB/s
I/O speed : 1.0 GB/s