详情：BudgetNode：$12/年/512MB内存/20GB空间/500GB流量/OpenVZ/洛杉矶
系统信息及带宽测试：
System Info
-----------
Processor : Intel(R) Xeon(R) CPU L5640 @ 2.27GHz
CPU Cores : 1
Frequency : 2268.000 MHz
Memory : 512 MB
Swap : 512 MB
Uptime : 22:48,
OS : CentOS release 6.7 (Final)
Arch : i686 (32 Bit)
Kernel : 2.6.32-042stab116.2
Hostname : zhujiwiki
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 172.82.xxx.xxx
Location Provider Speed
CDN Cachefly 12.0MB/s
Atlanta, GA, US Coloat 3.34MB/s
Dallas, TX, US Softlayer 11.5MB/s
Seattle, WA, US Softlayer 11.8MB/s
San Jose, CA, US Softlayer 12.0MB/s
Washington, DC, US Softlayer 9.95MB/s
Tokyo, Japan Linode 10.2MB/s
Singapore Softlayer 4.98MB/s
Rotterdam, Netherlands id3.net 6.83MB/s
Haarlem, Netherlands Leaseweb 346KB/s
Disk Speed
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I/O (1st run) : 60.3 MB/s
I/O (2nd run) : 695 MB/s
I/O (3rd run) : 651 MB/s
Average I/O : 468.767 MB/s
I/O 性能：
dd bs=64k count=4k if=/dev/zero of=test oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 515.288 s, 521 kB/s
UnixBench跑分：
Benchmark Run: Wed Oct 12 2016 23:41:33 - 00:15:38
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 16606853.9 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2613.8 MWIPS (9.9 s, 7 samples)
Execl Throughput 4117.6 lps (29.3 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 554461.2 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 145238.8 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1164716.2 KBps (30.0 s, 2 samples)
Pipe Throughput 1173863.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 188902.0 lps (10.0 s, 7 samples)
Process Creation 9603.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3828.5 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 490.8 lpm (60.1 s, 2 samples)
System Call Overhead 1526262.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 16606853.9 1423.0
Double-Precision Whetstone 55.0 2613.8 475.2
Execl Throughput 43.0 4117.6 957.6
File Copy 1024 bufsize 2000 maxblocks 3960.0 554461.2 1400.2
File Copy 256 bufsize 500 maxblocks 1655.0 145238.8 877.6
File Copy 4096 bufsize 8000 maxblocks 5800.0 1164716.2 2008.1
Pipe Throughput 12440.0 1173863.9 943.6
Pipe-based Context Switching 4000.0 188902.0 472.3
Process Creation 126.0 9603.3 762.2
Shell Scripts (1 concurrent) 42.4 3828.5 903.0
Shell Scripts (8 concurrent) 6.0 490.8 818.0
System Call Overhead 15000.0 1526262.7 1017.5
========
System Benchmarks Index Score 928.0
国内ping：
丢包测试：
Ping from 192.168.1.102 to 172.82.xxx.xxx
==============================================================================
10/13 11:36:15.396 Ping to 172.82.xxx.xxx with 32 bytes of data and 32 of TTL:
10/13 11:36:15.754 PingMin #1 Reply 32 bytes from 172.82.xxx.xxx: time=355ms TTL=53, ave=355.00ms
10/13 11:36:16.696 PingMin #2 Reply 32 bytes from 172.82.xxx.xxx: time=300ms TTL=53, ave=327.50ms
10/13 11:36:17.691 PingMin #3 Reply 32 bytes from 172.82.xxx.xxx: time=296ms TTL=53, ave=317.00ms
10/13 11:36:20.058 超时 #5 *****(32 bytes) 请求超时。
10/13 11:36:34.698 === 20 有效发送, 19 接收, 5.00% 丢失, 301.58ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/10/13 11:36:15
经过时间: 000:00:19
结束时间: 2016/10/13 11:36:34
----------------
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 296ms, 最大值 355ms, 平均值 301.58ms
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