详情：8云科技：70元/月/1GB内存/55GB SSD空间/不限流量/KVM/香港/美国CN2
系统信息及带宽测试：
System Info
-----------
Processor : Intel(R) Xeon(R) CPU X5670 @ 2.93GHz
CPU Cores : 2
Frequency : 1596.059 MHz
Memory : 988 MB
Swap : 991 MB
Uptime : 12:10,
OS : CentOS release 6.4 (Final)
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-358.6.1.el6.x86_64
Hostname : MyCloudServer
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 198.44.xxx.xxx
Location Provider Speed
CDN Cachefly 3.15MB/s
Atlanta, GA, US Coloat 804KB/s
Dallas, TX, US Softlayer 306KB/s
Seattle, WA, US Softlayer 1.24MB/s
San Jose, CA, US Softlayer 1.25MB/s
Washington, DC, US Softlayer 1.15MB/s
Tokyo, Japan Linode 2.04MB/s
Singapore Softlayer 2.01MB/s
Rotterdam, Netherlands id3.net 679KB/s
Haarlem, Netherlands Leaseweb 1.25MB/s
Disk Speed
----------
I/O (1st run) : 300 MB/s
I/O (2nd run) : 285 MB/s
I/O (3rd run) : 314 MB/s
Average I/O : 299.667 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, 3.5844 s, 74.9 MB/s
UnixBench跑分：
Benchmark Run: Wed Nov 16 2016 14:55:18 - 15:23:25
2 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 25919116.4 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3577.3 MWIPS (10.0 s, 7 samples)
Execl Throughput 1227.1 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 214778.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 58624.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 649591.4 KBps (30.0 s, 2 samples)
Pipe Throughput 360961.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 60287.9 lps (10.0 s, 7 samples)
Process Creation 2570.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 2756.5 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 515.7 lpm (60.1 s, 2 samples)
System Call Overhead 460033.2 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 25919116.4 2221.0
Double-Precision Whetstone 55.0 3577.3 650.4
Execl Throughput 43.0 1227.1 285.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 214778.5 542.4
File Copy 256 bufsize 500 maxblocks 1655.0 58624.4 354.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 649591.4 1120.0
Pipe Throughput 12440.0 360961.2 290.2
Pipe-based Context Switching 4000.0 60287.9 150.7
Process Creation 126.0 2570.7 204.0
Shell Scripts (1 concurrent) 42.4 2756.5 650.1
Shell Scripts (8 concurrent) 6.0 515.7 859.4
System Call Overhead 15000.0 460033.2 306.7
========
System Benchmarks Index Score 476.1
------------------------------------------------------------------------
Benchmark Run: Wed Nov 16 2016 15:23:25 - 15:51:32
2 CPUs in system; running 2 parallel copies of tests
Dhrystone 2 using register variables 50268219.1 lps (10.0 s, 7 samples)
Double-Precision Whetstone 7120.4 MWIPS (9.9 s, 7 samples)
Execl Throughput 2435.8 lps (29.6 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 341888.8 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 92745.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1101805.0 KBps (30.0 s, 2 samples)
Pipe Throughput 712243.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 115566.3 lps (10.0 s, 7 samples)
Process Creation 4634.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3905.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 524.9 lpm (60.1 s, 2 samples)
System Call Overhead 853874.4 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 50268219.1 4307.5
Double-Precision Whetstone 55.0 7120.4 1294.6
Execl Throughput 43.0 2435.8 566.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 341888.8 863.4
File Copy 256 bufsize 500 maxblocks 1655.0 92745.5 560.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 1101805.0 1899.7
Pipe Throughput 12440.0 712243.4 572.5
Pipe-based Context Switching 4000.0 115566.3 288.9
Process Creation 126.0 4634.1 367.8
Shell Scripts (1 concurrent) 42.4 3905.2 921.0
Shell Scripts (8 concurrent) 6.0 524.9 874.8
System Call Overhead 15000.0 853874.4 569.2
========
System Benchmarks Index Score 811.0
国内ping：
丢包测试： 未安装锐速
Ping from 192.168.1.102 to 198.44.xxx.xxx
==============================================================================
11/16 16:00:44.028 Ping to 198.44.xxx.xxx with 32 bytes of data and 32 of TTL:
11/16 16:00:44.128 PingMin #1 Reply 32 bytes from 198.44.xxx.xxx: time=96ms TTL=50, ave=96.00ms
11/16 16:00:45.127 PingMax #2 Reply 32 bytes from 198.44.xxx.xxx: time=98ms TTL=50, ave=97.00ms
11/16 16:00:47.128 PingMax #4 Reply 32 bytes from 198.44.xxx.xxx: time=100ms TTL=50, ave=97.75ms
11/16 16:00:49.780 超时 #6 *****(32 bytes) 请求超时。
11/16 16:00:50.782 超时 #7 *****(32 bytes) 请求超时。
11/16 16:00:51.782 超时 #8 *****(32 bytes) 请求超时。
11/16 16:00:55.130 PingMax #12 Reply 32 bytes from 198.44.xxx.xxx: time=102ms TTL=50, ave=98.00ms
11/16 16:00:56.785 超时 #13 *****(32 bytes) 请求超时。
11/16 16:00:58.116 PingMin #15 Reply 32 bytes from 198.44.xxx.xxx: time=93ms TTL=50, ave=97.64ms
11/16 16:01:00.786 超时 #17 *****(32 bytes) 请求超时。
11/16 16:01:01.133 PingMax #18 Reply 32 bytes from 198.44.xxx.xxx: time=104ms TTL=50, ave=98.00ms
11/16 16:01:03.769 超时 #20 *****(32 bytes) 请求超时。
11/16 16:01:03.771 === 20 有效发送, 14 接收, 30.00% 丢失, 98.07ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/11/16 16:00:44
经过时间: 000:00:19
结束时间: 2016/11/16 16:01:03
----------------
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 93ms, 最大值 104ms, 平均值 98.07ms
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