详情：litehost：$10/月/1GB内存/10GB SSD/不限流量/KVM/芝加哥
配置给力，I/O很不错，加上10GB端口，很不错的VPS。
系统信息及带宽测试：
System Info
-----------
Processor : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
CPU Cores : 16
Frequency : 2926.003 MHz
Memory : 4096 MB
Swap : 0 MB
Uptime : 11:07,
OS : CentOS release 6.7 (Final)
Arch : x86_64 (64 Bit)
Kernel : 4.4.6-1-pve
Hostname : server
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 23.237.xxx.xxx
Location Provider Speed
CDN Cachefly 74.0MB/s
Atlanta, GA, US Coloat 48.6MB/s
Dallas, TX, US Softlayer 88.0MB/s
Seattle, WA, US Softlayer 73.2MB/s
San Jose, CA, US Softlayer 75.5MB/s
Washington, DC, US Softlayer 3.11MB/s
Tokyo, Japan Linode 16.5MB/s
Singapore Softlayer 8.86MB/s
Rotterdam, Netherlands id3.net 4.90MB/s
Haarlem, Netherlands Leaseweb 95.7MB/s
Disk Speed
----------
I/O (1st run) : 227 MB/s
I/O (2nd run) : 226 MB/s
I/O (3rd run) : 224 MB/s
Average I/O : 225.667 MB/s
硬盘 I/O 性能：
dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.54174 s, 41.0 MB/s
UnixBench跑分：
Benchmark Run: Sat Nov 05 2016 01:03:56 - 01:32:03
16 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 31583442.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3947.2 MWIPS (10.0 s, 7 samples)
Execl Throughput 2949.9 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 969767.7 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 264161.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2097622.4 KBps (30.0 s, 2 samples)
Pipe Throughput 1743035.3 lps (10.0 s, 7 samples)
Pipe-based Context Switching 199323.4 lps (10.0 s, 7 samples)
Process Creation 6185.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4754.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2404.2 lpm (60.0 s, 2 samples)
System Call Overhead 2192690.6 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 31583442.6 2706.4
Double-Precision Whetstone 55.0 3947.2 717.7
Execl Throughput 43.0 2949.9 686.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 969767.7 2448.9
File Copy 256 bufsize 500 maxblocks 1655.0 264161.4 1596.1
File Copy 4096 bufsize 8000 maxblocks 5800.0 2097622.4 3616.6
Pipe Throughput 12440.0 1743035.3 1401.2
Pipe-based Context Switching 4000.0 199323.4 498.3
Process Creation 126.0 6185.3 490.9
Shell Scripts (1 concurrent) 42.4 4754.6 1121.4
Shell Scripts (8 concurrent) 6.0 2404.2 4007.0
System Call Overhead 15000.0 2192690.6 1461.8
========
System Benchmarks Index Score 1366.5
------------------------------------------------------------------------
Benchmark Run: Sat Nov 05 2016 01:32:03 - 02:06:43
16 CPUs in system; running 16 parallel copies of tests
Dhrystone 2 using register variables 74157513.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 52130.9 MWIPS (9.8 s, 7 samples)
Execl Throughput 12036.4 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 358767.6 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 96561.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1063751.3 KBps (30.0 s, 2 samples)
Pipe Throughput 4067462.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 576831.6 lps (10.0 s, 7 samples)
Process Creation 24702.4 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 16945.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1974.7 lpm (60.2 s, 2 samples)
System Call Overhead 1964964.2 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 74157513.8 6354.5
Double-Precision Whetstone 55.0 52130.9 9478.4
Execl Throughput 43.0 12036.4 2799.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 358767.6 906.0
File Copy 256 bufsize 500 maxblocks 1655.0 96561.4 583.5
File Copy 4096 bufsize 8000 maxblocks 5800.0 1063751.3 1834.1
Pipe Throughput 12440.0 4067462.4 3269.7
Pipe-based Context Switching 4000.0 576831.6 1442.1
Process Creation 126.0 24702.4 1960.5
Shell Scripts (1 concurrent) 42.4 16945.8 3996.6
Shell Scripts (8 concurrent) 6.0 1974.7 3291.2
System Call Overhead 15000.0 1964964.2 1310.0
========
System Benchmarks Index Score 2333.3
国内ping：
丢包测试：
Ping from 192.168.1.102 to 23.237.xxx.xxx
==============================================================================
11/05 12:54:01.821 Ping to 23.237.xxx.xxx with 32 bytes of data and 32 of TTL:
11/05 12:54:02.056 PingMin #1 Reply 32 bytes from 23.237.xxx.xxx: time=231ms TTL=47, ave=231.00ms
11/05 12:54:04.048 PingMax #3 Reply 32 bytes from 23.237.xxx.xxx: time=232ms TTL=47, ave=231.33ms
11/05 12:54:10.056 PingMax #9 Reply 32 bytes from 23.237.xxx.xxx: time=237ms TTL=47, ave=232.11ms
11/05 12:54:12.686 超时 #11 *****(32 bytes) 请求超时。
11/05 12:54:21.051 === 20 有效发送, 19 接收, 5.00% 丢失, 232.21ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/11/05 12:54:01
经过时间: 000:00:19
结束时间: 2016/11/05 12:54:21
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
19 有效接收
1 timed out (5.00% 丢失)
Ping 最小值 231ms, 最大值 237ms, 平均值 232.21ms
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