详情：DexHost：$49/月/i3-2120/8GB内存/480GB SSD硬盘/不限流量/5 IP/洛杉矶
1、系统信息及带宽测试
CPU model : Intel(R) Xeon(R) CPU E5-2603 v2 @ 1.80GHz
Number of cores : 8
CPU frequency : 1800.000 MHz
Total size of Disk : 485.5 GB (0.8 GB Used)
Total amount of Mem : 7871 MB (326 MB Used)
Total amount of Swap : 8015 MB (0 MB Used)
System uptime : 0 days, 4 hour 26 min
Load average : 0.11, 0.08, 0.05
OS : CentOS 6.8
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-642.el6.x86_64
----------------------------------------------------------------------
I/O speed(1st run) : 284 MB/s
I/O speed(2nd run) : 281 MB/s
I/O speed(3rd run) : 297 MB/s
Average I/O speed : 287.3 MB/s
----------------------------------------------------------------------
Node Name IPv4 address Download Speed
CacheFly 205.234.175.175 88.7MB/s
Linode, Tokyo, JP 106.187.96.148 20.0MB/s
Linode, Singapore, SG 139.162.23.4 7.13MB/s
Linode, London, UK 176.58.107.39 8.87MB/s
Linode, Frankfurt, DE 139.162.130.8 5.75MB/s
Linode, Fremont, CA 50.116.14.9 68.6MB/s
Softlayer, Dallas, TX 173.192.68.18 30.0MB/s
Softlayer, Seattle, WA 67.228.112.250 36.7MB/s
Softlayer, Frankfurt, DE 159.122.69.4 431KB/s
Softlayer, Singapore, SG 119.81.28.170 7.46MB/s
Softlayer, HongKong, CN 119.81.130.170 9.13MB/s
2、上传/下载带宽测试
Selecting best server based on ping...
Hosted by WebNX (Los Angeles, CA) [2.73 km]: 7.849 ms
Testing download speed..................................................
Download: 25.43 Mbit/s
Testing upload speed.....................................................
Upload: 4.99 Mbit/s
3、国内访问速度
4、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, 3.99617 s, 67.2 MB/s
5、性能测试之UnixBench跑分
Benchmark Run: Tue Mar 07 2017 15:00:06 - 15:28:08
8 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 20481935.1 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2171.6 MWIPS (9.9 s, 7 samples)
Execl Throughput 1624.0 lps (29.7 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 513466.9 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 138960.0 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1162167.6 KBps (30.0 s, 2 samples)
Pipe Throughput 936588.3 lps (10.0 s, 7 samples)
Pipe-based Context Switching 34743.3 lps (10.0 s, 7 samples)
Process Creation 6430.0 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3357.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1788.8 lpm (60.0 s, 2 samples)
System Call Overhead 1436524.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 20481935.1 1755.1
Double-Precision Whetstone 55.0 2171.6 394.8
Execl Throughput 43.0 1624.0 377.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 513466.9 1296.6
File Copy 256 bufsize 500 maxblocks 1655.0 138960.0 839.6
File Copy 4096 bufsize 8000 maxblocks 5800.0 1162167.6 2003.7
Pipe Throughput 12440.0 936588.3 752.9
Pipe-based Context Switching 4000.0 34743.3 86.9
Process Creation 126.0 6430.0 510.3
Shell Scripts (1 concurrent) 42.4 3357.3 791.8
Shell Scripts (8 concurrent) 6.0 1788.8 2981.3
System Call Overhead 15000.0 1436524.8 957.7
========
System Benchmarks Index Score 769.5
------------------------------------------------------------------------
Benchmark Run: Tue Mar 07 2017 15:28:08 - 15:56:21
8 CPUs in system; running 8 parallel copies of tests
Dhrystone 2 using register variables 147340186.5 lps (10.0 s, 7 samples)
Double-Precision Whetstone 15825.7 MWIPS (10.0 s, 7 samples)
Execl Throughput 15935.1 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 345078.6 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 89576.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1042812.6 KBps (30.0 s, 2 samples)
Pipe Throughput 5854055.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 1007376.7 lps (10.0 s, 7 samples)
Process Creation 28280.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 20982.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2891.0 lpm (60.1 s, 2 samples)
System Call Overhead 3501448.1 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 147340186.5 12625.6
Double-Precision Whetstone 55.0 15825.7 2877.4
Execl Throughput 43.0 15935.1 3705.8
File Copy 1024 bufsize 2000 maxblocks 3960.0 345078.6 871.4
File Copy 256 bufsize 500 maxblocks 1655.0 89576.9 541.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1042812.6 1798.0
Pipe Throughput 12440.0 5854055.9 4705.8
Pipe-based Context Switching 4000.0 1007376.7 2518.4
Process Creation 126.0 28280.5 2244.5
Shell Scripts (1 concurrent) 42.4 20982.3 4948.6
Shell Scripts (8 concurrent) 6.0 2891.0 4818.3
System Call Overhead 15000.0 3501448.1 2334.3
========
System Benchmarks Index Score 2726.9
6、丢包测试 a 未安装锐速
Ping from 10.0.0.12 to 23.228.xxx.xxx
==============================================================================
03/07 17:21:45.297 Ping to 23.228.xxx.xxx with 32 bytes of data and 32 of TTL:
03/07 17:21:45.482 PingMin #1 Reply 32 bytes from 23.228.xxx.xxx: time=185ms TTL=50, ave=185.00ms
03/07 17:21:46.997 超时 #2 *****(32 bytes) 请求超时。
03/07 17:21:47.497 PingMax #3 Reply 32 bytes from 23.228.xxx.xxx: time=203ms TTL=50, ave=194.00ms
03/07 17:21:49.543 PingMax #5 Reply 32 bytes from 23.228.xxx.xxx: time=239ms TTL=50, ave=206.25ms
03/07 17:21:50.566 PingMax #6 Reply 32 bytes from 23.228.xxx.xxx: time=275ms TTL=50, ave=220.00ms
03/07 17:21:51.482 PingMin #7 Reply 32 bytes from 23.228.xxx.xxx: time=182ms TTL=50, ave=213.67ms
03/07 17:21:52.475 PingMin #8 Reply 32 bytes from 23.228.xxx.xxx: time=181ms TTL=50, ave=209.00ms
03/07 17:21:56.002 超时 #11 *****(32 bytes) 请求超时。
03/07 17:22:01.002 超时 #16 *****(32 bytes) 请求超时。
03/07 17:22:02.004 超时 #17 *****(32 bytes) 请求超时。
03/07 17:22:03.994 超时 #19 *****(32 bytes) 请求超时。
03/07 17:22:04.529 === 20 有效发送, 15 接收, 25.00% 丢失, 218.33ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2017/03/07 17:21:45
经过时间: 000:00:19
结束时间: 2017/03/07 17:22:04
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
15 有效接收
5 timed out (25.00% 丢失)
Ping 最小值 181ms, 最大值 275ms, 平均值 218.33ms
6、丢包测试 b 已安装锐速
Ping from 10.0.0.12 to 23.228.xxx.xxx
==============================================================================
03/08 09:04:59.907 Ping to 23.228.xxx.xxx with 32 bytes of data and 32 of TTL:
03/08 09:05:00.208 PingMin #1 Reply 32 bytes from 23.228.xxx.xxx: time=296ms TTL=50, ave=296.00ms
03/08 09:05:01.094 PingMin #2 Reply 32 bytes from 23.228.xxx.xxx: time=182ms TTL=50, ave=239.00ms
03/08 09:05:02.095 PingMin #3 Reply 32 bytes from 23.228.xxx.xxx: time=181ms TTL=50, ave=219.67ms
03/08 09:05:03.094 PingMin #4 Reply 32 bytes from 23.228.xxx.xxx: time=180ms TTL=50, ave=209.75ms
03/08 09:05:13.071 PingMin #14 Reply 32 bytes from 23.228.xxx.xxx: time=179ms TTL=50, ave=189.57ms
03/08 09:05:19.082 === 20 有效发送, 20 接收, 0.00% 丢失, 187.05ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2017/03/08 09:04:59
经过时间: 000:00:19
结束时间: 2017/03/08 09:05:19
----------------
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 179ms, 最大值 296ms, 平均值 187.05ms
7、路由追踪
8、Youtube测试
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