详情：VPS Cool：$2/月/1GB内存/10GB SSD空间/1TB流量/KVM/德国
从测试看，虽然是德国数据中心，但网络不错，价格合适，而且性能强劲，值得选用！
1、系统信息、带宽、I/O测试
CPU model : Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Number of cores : 1
CPU frequency : 3591.682 MHz
Total size of Disk : 9.4 GB (1.9 GB Used)
Total amount of Mem : 992 MB (50 MB Used)
Total amount of Swap : 1022 MB (0 MB Used)
System uptime : 4 days, 19 hour 56 min
Load average : 0.00, 0.01, 0.05
OS : Ubuntu 16.04 LTS
Arch : x86_64 (64 Bit)
Kernel : 4.4.0-21-generic
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I/O speed(1st run) : 118 MB/s
I/O speed(2nd run) : 150 MB/s
I/O speed(3rd run) : 95.6 MB/s
Average I/O speed : 121.2 MB/s
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Node Name IPv4 address Download Speed
CacheFly 205.234.175.175 98.1MB/s
Linode, Tokyo, JP 106.187.96.148 8.34MB/s
Linode, Singapore, SG 139.162.23.4 6.17MB/s
Linode, London, UK 176.58.107.39 70.1MB/s
Linode, Frankfurt, DE 139.162.130.8 17.5MB/s
Linode, Fremont, CA 50.116.14.9 3.56MB/s
Softlayer, Dallas, TX 173.192.68.18 12.3MB/s
Softlayer, Seattle, WA 67.228.112.250 10.1MB/s
Softlayer, Frankfurt, DE 159.122.69.4 74.6MB/s
Softlayer, Singapore, SG 119.81.28.170 4.43MB/s
Softlayer, HongKong, CN 119.81.130.170 4.85MB/s
2、上传/下载带宽测试
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Thueringer Netkom GmbH (Weimar) [132.12 km]: 34.151 ms
Testing download speed................................................................................
Download: 859.87 Mbit/s
Testing upload speed................................................................................................
Upload: 276.83 Mbit/s
3、国内访问速度
4、硬盘 I/O 性能测试
dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB, 256 MiB) copied, 4.05082 s, 66.3 MB/s
5、UnixBench跑分
Benchmark Run: Tue Jun 27 2017 02:38:05 - 03:06:13
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 44150081.2 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4471.9 MWIPS (10.5 s, 7 samples)
Execl Throughput 7561.2 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1476112.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 405097.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 3302705.8 KBps (30.0 s, 2 samples)
Pipe Throughput 2577205.6 lps (10.0 s, 7 samples)
Pipe-based Context Switching 517752.1 lps (10.0 s, 7 samples)
Process Creation 22918.4 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 8377.9 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1121.0 lpm (60.0 s, 2 samples)
System Call Overhead 3611282.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 44150081.2 3783.2
Double-Precision Whetstone 55.0 4471.9 813.1
Execl Throughput 43.0 7561.2 1758.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 1476112.5 3727.6
File Copy 256 bufsize 500 maxblocks 1655.0 405097.4 2447.7
File Copy 4096 bufsize 8000 maxblocks 5800.0 3302705.8 5694.3
Pipe Throughput 12440.0 2577205.6 2071.7
Pipe-based Context Switching 4000.0 517752.1 1294.4
Process Creation 126.0 22918.4 1818.9
Shell Scripts (1 concurrent) 42.4 8377.9 1975.9
Shell Scripts (8 concurrent) 6.0 1121.0 1868.3
System Call Overhead 15000.0 3611282.7 2407.5
========
System Benchmarks Index Score 2190.2
6、丢包测试
Ping from 192.168.1.29 to 178.63.xxx.xxx
==============================================================================
06/27 10:11:35.681 Ping to 178.63.xxx.xxx with 32 bytes of data and 32 of TTL:
06/27 10:11:35.900 PingMin #1 Reply 32 bytes from 178.63.xxx.xxx: time=213ms TTL=50, ave=213.00ms
06/27 10:11:36.895 PingMin #2 Reply 32 bytes from 178.63.xxx.xxx: time=212ms TTL=50, ave=212.50ms
06/27 10:11:38.897 PingMin #4 Reply 32 bytes from 178.63.xxx.xxx: time=211ms TTL=50, ave=212.00ms
06/27 10:11:54.896 === 20 有效发送, 20 接收, 0.00% 丢失, 211.80ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2017/06/27 10:11:35
经过时间: 000:00:19
结束时间: 2017/06/27 10:11:54
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
20 有效接收
0 timed out (0.00% 丢失)
Ping 最小值 211ms, 最大值 213ms, 平均值 211.80ms
7、路由追踪
电信
联通 
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