入手了一个vultr家的日本数据中心的VPS，简单写了个vultr的测评，如果大家想了解下情况可以在留言里面提问有关ultr家VPS的情况，能回答的我尽量。我个人对ultr家的日本VPS的评价是G口很给力，SSD还是很不错的，在日本VPS里面算是很有性价比了的。有人说流量太小了，我个人到觉得这是个负责人的搞法！官方网站：http://www.vultr.com

Linux 108 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.

top - 08:04:30 up 12:31, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 51 total, 1 running, 50 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: 508948 total, 164368 used, 344580 free, 6928 buffers
KiB Swap: 892924 total, 0 used, 892924 free, 127048 cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 10648 816 680 S 0.0 0.2 0:00.49 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/0
5 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/u:0
6 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
7 root rt 0 0 0 0 S 0.0 0.0 0:00.12 watchdog/0
8 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 cpuset
9 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper
10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
11 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns
12 root 20 0 0 0 0 S 0.0 0.0 0:00.09 sync_supers
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 bdi-default
14 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd
16 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/0:1
17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khungtaskd
18 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kswapd0

root@108:~# free -m
total used free shared buffers cached
Mem: 497 160 336 0 6 124
-/+ buffers/cache: 29 467
Swap: 871 0 871

虽然被虚拟化了但是从那个CPU的频率来看估计你惨出来了是什么U了！
root@108:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 60
model name : Vultr Virtual CPU 2
stepping : 1
microcode : 0x1
cpu MHz : 3400.012
cache size : 4096 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc up rep_good nopl pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx hypervisor lahf_lm xsaveopt fsgsbase smep erms
bogomips : 6800.02
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:

root@108:~# df -lh
Filesystem Size Used Avail Use% Mounted on
rootfs 19G 636M 18G 4% /
udev 10M 0 10M 0% /dev
tmpfs 50M 168K 50M 1% /run
/dev/mapper/108-root 19G 636M 18G 4% /
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 100M 0 100M 0% /run/shm
/dev/vda1 228M 18M 199M 9% /boot

cachefly下的速度看起来很爽啊！
root@108:~# wget http://cachefly.cachefly.net/100mb.test
--2014-03-06 08:06:59-- 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 100M/s in 1.0s

2014-03-06 08:07:00 (100 MB/s) - `100mb.test' saved [104857600/104857600]

日本对日本，这个速度还凑合啊！
root@108:~# wget http://speedtest.tokyo.linode.com/100MB-tokyo.bin
--2014-03-06 08:07:20-- 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 53.6M/s in 1.9s

2014-03-06 08:07:22 (53.6 MB/s) - `100MB-tokyo.bin' saved [104857600/104857600]

root@108:~# wget http://speedtest.london.linode.com/100MB-london.bin
--2014-03-06 08:07:48-- http://speedtest.london.linode.com/100MB-london.bin
Resolving speedtest.london.linode.com (speedtest.london.linode.com)... 176.58.107.39, 2a01:7e00::4b
Connecting to speedtest.london.linode.com (speedtest.london.linode.com)|176.58.107.39|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100MB-london.bin'

100%[======================================>] 104,857,600 926K/s in 1m 52s

2014-03-06 08:09:42 (913 KB/s) - `100MB-london.bin' saved [104857600/104857600]

root@108:~# wget speedtest.fremont.linode.com/100MB-fremont.bin
--2014-03-06 08:10:01-- http://speedtest.fremont.linode.com/100MB-fremont.bin
Resolving speedtest.fremont.linode.com (speedtest.fremont.linode.com)... 50.116.14.9, 2600:3c01::4b
Connecting to speedtest.fremont.linode.com (speedtest.fremont.linode.com)|50.116.14.9|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100MB-fremont.bin'

100%[======================================>] 104,857,600 1.85M/s in 56s

2014-03-06 08:10:57 (1.79 MB/s) - `100MB-fremont.bin' saved [104857600/104857600]

作死的搞法，多DD几次：
root@108:~# 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, 2.27223 s, 473 MB/s
root@108:~# 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, 2.27291 s, 472 MB/s
root@108:~# 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, 2.27624 s, 472 MB/s
root@108:~# 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, 2.54127 s, 423 MB/s
root@108:~# 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, 2.501 s, 429 MB/s
root@108:~# 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, 2.56446 s, 419 MB/s

root@108:~# wget freevps.us/downloads/bench.sh -O - -o /dev/null|bash
CPU model : Vultr Virtual CPU 2
Number of cores : 1
CPU frequency : 3400.012 MHz
Total amount of ram : 497 MB
Total amount of swap : 871 MB
System uptime : 12:39,
Download speed from CacheFly: 111MB/s
Download speed from Coloat, Atlanta GA: 1.31MB/s
Download speed from Softlayer, Dallas, TX: 1.58MB/s
Download speed from Linode, Tokyo, JP: 55.4MB/s
Download speed from i3d.net, Rotterdam, NL: 734KB/s
Download speed from Leaseweb, Haarlem, NL: 833KB/s
Download speed from Softlayer, Singapore: 2.92MB/s
Download speed from Softlayer, Seattle, WA: 1.83MB/s
Download speed from Softlayer, San Jose, CA: 2.14MB/s
Download speed from Softlayer, Washington, DC: 1.23MB/s
I/O speed : 471 MB/s