详情：DexHost：$39/月/i3-3240/4GB内存/480GB SSD硬盘/不限流量/5 IP/洛杉矶
1、系统信息、带宽、I/O测试
CPU model : Intel(R) Xeon(R) CPU E3-1230 V2 @ 3.30GHz
Number of cores : 8
CPU frequency : 3292.726 MHz
Total size of Disk : 433.5 GB (1.2 GB Used)
Total amount of Mem : 7843 MB (201 MB Used)
Total amount of Swap : 7983 MB (0 MB Used)
System uptime : 0 days, 0 hour 12 min
Load average : 0.00, 0.02, 0.05
OS : CentOS 6.8
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-642.el6.x86_64
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I/O speed(1st run) : 246 MB/s
I/O speed(2nd run) : 246 MB/s
I/O speed(3rd run) : 245 MB/s
Average I/O speed : 245.7 MB/s
----------------------------------------------------------------------
Node Name IPv4 address Download Speed
CacheFly 205.234.175.175 109MB/s
Linode, Tokyo, JP 106.187.96.148 17.9MB/s
Linode, Singapore, SG 139.162.23.4 10.7MB/s
Linode, London, UK 176.58.107.39 8.37MB/s
Linode, Frankfurt, DE 139.162.130.8 10.5MB/s
Linode, Fremont, CA 50.116.14.9 82.4MB/s
Softlayer, Dallas, TX 173.192.68.18 44.3MB/s
Softlayer, Seattle, WA 67.228.112.250 55.3MB/s
Softlayer, Frankfurt, DE 159.122.69.4 10.1MB/s
Softlayer, Singapore, SG 119.81.28.170 7.05MB/s
Softlayer, HongKong, CN 119.81.130.170 9.58MB/s
2、上传/下载带宽测试
Selecting best server based on ping...
Hosted by Sprint (Enid, OK) [150.80 km]: 45.473 ms
Testing download speed..............................
Download: 410.77 Mbit/s
Testing upload speed................................
Upload: 133.56 Mbit/s
3、国内访问速度
4、硬盘 I/O 性能测试
hdparm -t /dev/sda
/dev/sda:
Timing buffered disk reads: 810 MB in 3.00 seconds = 269.72 MB/sec
5、性能测试之UnixBench跑分
Benchmark Run: Sun Mar 12 2017 00:45:05 - 01:13:14
8 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 37779442.3 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4008.4 MWIPS (9.9 s, 7 samples)
Execl Throughput 4669.7 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 957551.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 256494.6 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2494911.6 KBps (30.0 s, 2 samples)
Pipe Throughput 1661624.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 257237.1 lps (10.0 s, 7 samples)
Process Creation 17829.4 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 8381.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 3476.1 lpm (60.0 s, 2 samples)
System Call Overhead 2622669.5 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 37779442.3 3237.3
Double-Precision Whetstone 55.0 4008.4 728.8
Execl Throughput 43.0 4669.7 1086.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 957551.5 2418.1
File Copy 256 bufsize 500 maxblocks 1655.0 256494.6 1549.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 2494911.6 4301.6
Pipe Throughput 12440.0 1661624.9 1335.7
Pipe-based Context Switching 4000.0 257237.1 643.1
Process Creation 126.0 17829.4 1415.0
Shell Scripts (1 concurrent) 42.4 8381.8 1976.8
Shell Scripts (8 concurrent) 6.0 3476.1 5793.5
System Call Overhead 15000.0 2622669.5 1748.4
========
System Benchmarks Index Score 1779.1
------------------------------------------------------------------------
Benchmark Run: Sun Mar 12 2017 01:13:14 - 01:41:24
8 CPUs in system; running 8 parallel copies of tests
Dhrystone 2 using register variables 156468466.7 lps (10.0 s, 7 samples)
Double-Precision Whetstone 27386.1 MWIPS (10.0 s, 7 samples)
Execl Throughput 27923.4 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 853757.2 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 223273.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2616742.0 KBps (30.0 s, 2 samples)
Pipe Throughput 7553667.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 1822317.5 lps (10.0 s, 7 samples)
Process Creation 91226.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 32160.7 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 4329.6 lpm (60.0 s, 2 samples)
System Call Overhead 10646236.5 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 156468466.7 13407.8
Double-Precision Whetstone 55.0 27386.1 4979.3
Execl Throughput 43.0 27923.4 6493.8
File Copy 1024 bufsize 2000 maxblocks 3960.0 853757.2 2156.0
File Copy 256 bufsize 500 maxblocks 1655.0 223273.9 1349.1
File Copy 4096 bufsize 8000 maxblocks 5800.0 2616742.0 4511.6
Pipe Throughput 12440.0 7553667.2 6072.1
Pipe-based Context Switching 4000.0 1822317.5 4555.8
Process Creation 126.0 91226.1 7240.2
Shell Scripts (1 concurrent) 42.4 32160.7 7585.1
Shell Scripts (8 concurrent) 6.0 4329.6 7216.0
System Call Overhead 15000.0 10646236.5 7097.5
========
System Benchmarks Index Score 5254.2
6、丢包测试
Ping from 192.168.1.186 to 103.73.xxx.xxx
==============================================================================
03/24 16:01:18.052 Ping to 103.73.xxx.xxx with 32 bytes of data and 32 of TTL:
03/24 16:01:18.669 超时 #1 *****(32 bytes) 请求超时。
03/24 16:01:19.287 PingMin #2 Reply 32 bytes from 103.73.xxx.xxx: time=218ms TTL=50, ave=218.00ms
03/24 16:01:20.287 PingMax #3 Reply 32 bytes from 103.73.xxx.xxx: time=220ms TTL=50, ave=219.00ms
03/24 16:01:22.261 PingMin #5 Reply 32 bytes from 103.73.xxx.xxx: time=217ms TTL=50, ave=218.25ms
03/24 16:01:24.684 超时 #7 *****(32 bytes) 请求超时。
03/24 16:01:27.279 PingMax #10 Reply 32 bytes from 103.73.xxx.xxx: time=221ms TTL=50, ave=218.38ms
03/24 16:01:29.673 超时 #12 *****(32 bytes) 请求超时。
03/24 16:01:31.287 PingMax #14 Reply 32 bytes from 103.73.xxx.xxx: time=228ms TTL=50, ave=219.27ms
03/24 16:01:32.664 超时 #15 *****(32 bytes) 请求超时。
03/24 16:01:34.665 超时 #17 *****(32 bytes) 请求超时。
03/24 16:01:35.665 超时 #18 *****(32 bytes) 请求超时。
03/24 16:01:37.282 === 20 有效发送, 14 接收, 30.00% 丢失, 220.36ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2017/03/24 16:01:18
经过时间: 000:00:19
结束时间: 2017/03/24 16:01:37
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
14 有效接收
6 timed out (30.00% 丢失)
Ping 最小值 217ms, 最大值 228ms, 平均值 220.36ms
7、路由追踪
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