电信不知道为何，貌似严重抽风，抽到他爹估计都不认识他了。

Disk Space: 5GB SSD
CPU Cores: 1 x E3-1230 v3 @ 3.30GHz
RAM: 256 MB
vSwap: 256MB
Bandwidth: 100GB
1 IPv4 & 2 IPv6
Xen PV
$4.5/month
Order Here

CPU信息：

# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 60
model name : Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
stepping : 3
cpu MHz : 3292.376
cache size : 8192 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu de tsc msr pae cx8 sep cmov pat clflush mmx fxsr sse sse2 ss ht nx constant_tsc up nonstop_tsc pni pclmulqdq ssse3 fma sse4_1 sse4_2 x2apic movbe popcnt aes avx f16c rdrand hypervisor abm
bogomips : 6584.75
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:

内存信息：
# cat /proc/meminfo
MemTotal: 253900 kB
MemFree: 166952 kB
Buffers: 2468 kB
Cached: 61484 kB
SwapCached: 0 kB
Active: 37428 kB
Inactive: 42552 kB
Active(anon): 16052 kB
Inactive(anon): 164 kB
Active(file): 21376 kB
Inactive(file): 42388 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 253900 kB
LowFree: 166952 kB
SwapTotal: 262136 kB
SwapFree: 262136 kB
Dirty: 32 kB
Writeback: 0 kB
AnonPages: 16036 kB
Mapped: 10472 kB
Shmem: 180 kB
Slab: 4268 kB
SReclaimable: 2220 kB
SUnreclaim: 2048 kB
KernelStack: 400 kB
PageTables: 588 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 389084 kB
Committed_AS: 102188 kB
VmallocTotal: 598008 kB
VmallocUsed: 780 kB
VmallocChunk: 596940 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 262144 kB
DirectMap2M: 0 kB

用脚本大致看下网络情况和IO:
# wget freevps.us/downloads/bench.sh -O - -o /dev/null|bash
CPU model : Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
Number of cores : 1
CPU frequency : 3292.376 MHz
Total amount of ram : 247 MB
Total amount of swap : 255 MB
System uptime : 9 min,
Download speed from CacheFly: 1.85MB/s
Download speed from Coloat, Atlanta GA: 1.98MB/s
Download speed from Softlayer, Dallas, TX: 1.79MB/s
Download speed from Linode, Tokyo, JP: 1.79MB/s
Download speed from i3d.net, NL:
Download speed from Leaseweb, Haarlem, NL: 1.66MB/s
Download speed from Softlayer, Singapore: 6.12MB/s
Download speed from Softlayer, Seattle, WA: 508KB/s
Download speed from Softlayer, San Jose, CA: 1.99MB/s
Download speed from Softlayer, Washington, DC: 1.89MB/s
I/O speed : 210 MB/s

# wget cachefly.cachefly.net/100mb.bin
--2013-11-08 08:07:23-- http://cachefly.cachefly.net/100mb.bin
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to 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.bin'

100%[======================================>] 104,857,600 1.97M/s in 50s

2013-11-08 08:08:13 (2.02 MB/s) - `100mb.bin' saved [104857600/104857600]

# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/xvda1 655360 36183 619177 6% /
tmpfs 31737 3 31734 1% /lib/init/rw
udev 29071 362 28709 2% /dev
tmpfs 31737 4 31733 1% /dev/shm

# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 5.0G 1.2G 3.6G 25% /
tmpfs 124M 0 124M 0% /lib/init/rw
udev 114M 24K 114M 1% /dev
tmpfs 124M 4.0K 124M 1% /dev/shm

连续D几次看看：
# dd if=/dev/zero of=iotest bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 3.76047 s, 286 MB/s

# dd if=/dev/zero of=sb-io-test bs=1M count=1k conv=fdatasync
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 4.72465 s, 227 MB/s

# dd if=/dev/zero of=sb-io-test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 5.40431 s, 199 MB/s

# dd if=/dev/zero of=sb-io-test bs=1M count=1k oflag=dsync
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 6.92916 s, 155 MB/s

# dd if=/dev/zero of=sb-io-test bs=64k count=16k oflag=dsync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 30.8948 s, 34.8 MB/s

# ioping . -c 5
4096 bytes from . (ext3 /dev/xvda1): request=1 time=0.0 ms
4096 bytes from . (ext3 /dev/xvda1): request=2 time=0.0 ms
4096 bytes from . (ext3 /dev/xvda1): request=3 time=0.0 ms
4096 bytes from . (ext3 /dev/xvda1): request=4 time=0.0 ms
4096 bytes from . (ext3 /dev/xvda1): request=5 time=0.0 ms

--- . (ext3 /dev/xvda1) ioping statistics ---
5 requests completed in 4000.5 ms, 34722 iops, 135.6 mb/s
min/avg/max/mdev = 0.0/0.0/0.0/0.0 ms

# ioping . -R

--- . (ext3 /dev/xvda1) ioping statistics ---
10362 requests completed in 3000.2 ms, 5478 iops, 21.4 mb/s
min/avg/max/mdev = 0.0/0.2/0.8/0.1 ms

最后跑分看看：
Version 5.1.3 Based on the Byte Magazine Unix Benchmark

Multi-CPU version Version 5 revisions by Ian Smith,
Sunnyvale, CA, USA
January 13, 2011 johantheghost at yahoo period com

1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput 1 2 3

1 x File Copy 1024 bufsize 2000 maxblocks 1 2 3

1 x File Copy 256 bufsize 500 maxblocks 1 2 3

1 x File Copy 4096 bufsize 8000 maxblocks 1 2 3

1 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

1 x Process Creation 1 2 3

1 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent) 1 2 3

1 x Shell Scripts (8 concurrent) 1 2 3

1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput 1 2 3

1 x File Copy 1024 bufsize 2000 maxblocks 1 2 3

1 x File Copy 256 bufsize 500 maxblocks 1 2 3

1 x File Copy 4096 bufsize 8000 maxblocks 1 2 3

1 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

1 x Process Creation 1 2 3

1 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent) 1 2 3

1 x Shell Scripts (8 concurrent) 1 2 3

=====================================================
BYTE UNIX Benchmarks (Version 5.1.3)

System: ******************
OS: GNU/Linux -- 2.6.32-5-686-bigmem -- #1 SMP Mon Sep 23 23:38:27 UTC 2013
Machine: i686 (unknown)
Language: en_US.utf8 (charmap="ANSI_X3.4-1968", collate="ANSI_X3.4-1968")
CPU 0: Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz (6584.8 bogomips)
Hyper-Threading, MMX, Physical Address Ext, SYSENTER/SYSEXIT
08:36:40 up 54 min, 0 users, load average: 0.00, 0.01, 0.06; runlevel 2

------------------------------------------------------------------------
Benchmark Run: Fri Nov 08 2013 08:36:40 - 09:04:50
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 24649263.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3208.3 MWIPS (10.1 s, 7 samples)
Execl Throughput 3695.4 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 750923.3 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 193433.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2164739.0 KBps (30.0 s, 2 samples)
Pipe Throughput 1006663.3 lps (10.0 s, 7 samples)
Pipe-based Context Switching 159110.1 lps (10.0 s, 7 samples)
Process Creation 7192.4 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 6814.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 898.7 lpm (60.0 s, 2 samples)
System Call Overhead 689739.7 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 24649263.8 2112.2
Double-Precision Whetstone 55.0 3208.3 583.3
Execl Throughput 43.0 3695.4 859.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 750923.3 1896.3
File Copy 256 bufsize 500 maxblocks 1655.0 193433.4 1168.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 2164739.0 3732.3
Pipe Throughput 12440.0 1006663.3 809.2
Pipe-based Context Switching 4000.0 159110.1 397.8
Process Creation 126.0 7192.4 570.8
Shell Scripts (1 concurrent) 42.4 6814.6 1607.2
Shell Scripts (8 concurrent) 6.0 898.7 1497.8
System Call Overhead 15000.0 689739.7 459.8
========
System Benchmarks Index Score 1049.3

------------------------------------------------------------------------
Benchmark Run: Fri Nov 08 2013 09:04:50 - 09:32:59
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 24640009.5 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3208.5 MWIPS (10.1 s, 7 samples)
Execl Throughput 3670.7 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 750305.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 192611.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2173032.0 KBps (30.0 s, 2 samples)
Pipe Throughput 1007513.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 158084.9 lps (10.0 s, 7 samples)
Process Creation 7112.6 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 6798.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 897.2 lpm (60.1 s, 2 samples)
System Call Overhead 689779.8 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 24640009.5 2111.4
Double-Precision Whetstone 55.0 3208.5 583.4
Execl Throughput 43.0 3670.7 853.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 750305.5 1894.7
File Copy 256 bufsize 500 maxblocks 1655.0 192611.5 1163.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 2173032.0 3746.6
Pipe Throughput 12440.0 1007513.9 809.9
Pipe-based Context Switching 4000.0 158084.9 395.2
Process Creation 126.0 7112.6 564.5
Shell Scripts (1 concurrent) 42.4 6798.6 1603.4
Shell Scripts (8 concurrent) 6.0 897.2 1495.4
System Call Overhead 15000.0 689779.8 459.9
========
System Benchmarks Index Score 1046.8