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 : 2926.078 MHz
Memory : 1004 MB
Swap : 1023 MB
Uptime : 23:33,
OS : CentOS release 6.4 (Final)
Arch : i686 (32 Bit)
Kernel : 2.6.32-358.6.1.el6.i686
Hostname : MyCloudServer
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 23.252.xxx.xxx
Location Provider Speed
CDN Cachefly 17.2MB/s
Atlanta, GA, US Coloat 44.8KB/s
Dallas, TX, US Softlayer 2.18MB/s
Seattle, WA, US Softlayer 2.86MB/s
San Jose, CA, US Softlayer 664KB/s
Washington, DC, US Softlayer 1.32MB/s
Tokyo, Japan Linode 1.16MB/s
Singapore Softlayer 933KB/s
Rotterdam, Netherlands id3.net 83.6KB/s
Haarlem, Netherlands Leaseweb 199KB/s
Disk Speed
----------
I/O (1st run) : 138 MB/s
I/O (2nd run) : 156 MB/s
I/O (3rd run) : 168 MB/s
Average I/O : 154 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, 7.549 s, 35.6 MB/s
UnixBench跑分：
Benchmark Run: Wed Nov 16 2016 14:56:11 - 15:24:11
2 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 9804134.5 lps (10.0 s, 7 samples)
Double-Precision Whetstone 1586.8 MWIPS (10.3 s, 7 samples)
Execl Throughput 718.6 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 48591.4 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 12237.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 285810.8 KBps (30.0 s, 2 samples)
Pipe Throughput 55899.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 15713.0 lps (10.0 s, 7 samples)
Process Creation 1217.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 1456.9 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 273.7 lpm (60.1 s, 2 samples)
System Call Overhead 404466.4 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 9804134.5 840.1
Double-Precision Whetstone 55.0 1586.8 288.5
Execl Throughput 43.0 718.6 167.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 48591.4 122.7
File Copy 256 bufsize 500 maxblocks 1655.0 12237.5 73.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 285810.8 492.8
Pipe Throughput 12440.0 55899.7 44.9
Pipe-based Context Switching 4000.0 15713.0 39.3
Process Creation 126.0 1217.3 96.6
Shell Scripts (1 concurrent) 42.4 1456.9 343.6
Shell Scripts (8 concurrent) 6.0 273.7 456.1
System Call Overhead 15000.0 404466.4 269.6
========
System Benchmarks Index Score 181.8
------------------------------------------------------------------------
Benchmark Run: Wed Nov 16 2016 15:24:11 - 15:52:16
2 CPUs in system; running 2 parallel copies of tests
Dhrystone 2 using register variables 18579382.2 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3141.0 MWIPS (10.3 s, 7 samples)
Execl Throughput 1377.0 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 70194.0 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 18029.0 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 562542.1 KBps (30.0 s, 2 samples)
Pipe Throughput 94554.8 lps (10.0 s, 7 samples)
Pipe-based Context Switching 28605.5 lps (10.0 s, 7 samples)
Process Creation 2192.0 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 2128.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 280.7 lpm (60.2 s, 2 samples)
System Call Overhead 737816.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 18579382.2 1592.1
Double-Precision Whetstone 55.0 3141.0 571.1
Execl Throughput 43.0 1377.0 320.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 70194.0 177.3
File Copy 256 bufsize 500 maxblocks 1655.0 18029.0 108.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 562542.1 969.9
Pipe Throughput 12440.0 94554.8 76.0
Pipe-based Context Switching 4000.0 28605.5 71.5
Process Creation 126.0 2192.0 174.0
Shell Scripts (1 concurrent) 42.4 2128.8 502.1
Shell Scripts (8 concurrent) 6.0 280.7 467.9
System Call Overhead 15000.0 737816.8 491.9
========
System Benchmarks Index Score 302.9
国内ping：
丢包测试：
Ping from 192.168.1.102 to 23.252.xxx.xxx
==============================================================================
11/15 16:25:52.826 Ping to 23.252.xxx.xxx with 32 bytes of data and 32 of TTL:
11/15 16:25:53.041 PingMin #1 Reply 32 bytes from 23.252.xxx.xxx: time=202ms TTL=52, ave=202.00ms
11/15 16:25:54.026 PingMin #2 Reply 32 bytes from 23.252.xxx.xxx: time=199ms TTL=52, ave=200.50ms
11/15 16:25:55.028 PingMax #3 Reply 32 bytes from 23.252.xxx.xxx: time=203ms TTL=52, ave=201.33ms
11/15 16:25:59.006 PingMin #7 Reply 32 bytes from 23.252.xxx.xxx: time=195ms TTL=52, ave=200.00ms
11/15 16:26:00.019 PingMin #8 Reply 32 bytes from 23.252.xxx.xxx: time=194ms TTL=52, ave=199.25ms
11/15 16:26:05.031 PingMax #13 Reply 32 bytes from 23.252.xxx.xxx: time=206ms TTL=52, ave=199.62ms
11/15 16:26:06.775 超时 #14 *****(32 bytes) 请求超时。
11/15 16:26:10.015 PingMin #18 Reply 32 bytes from 23.252.xxx.xxx: time=193ms TTL=52, ave=199.00ms
11/15 16:26:12.014 === 20 有效发送, 19 接收, 5.00% 丢失, 198.79ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/11/15 16:25:52
经过时间: 000:00:19
结束时间: 2016/11/15 16:26:12
----------------
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 193ms, 最大值 206ms, 平均值 198.79ms
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