枫叶主机KVM VPS详情：枫叶主机：42元/月/1GB内存/30GB空间/500GB流量/5 Mbps/KVM/香港CN2
从测试结果看，相当不错。
系统信息：
CPU model : QEMU Virtual CPU version (cpu64-rhel6)
Number of cores : 2
CPU frequency : 2260.998 MHz
Total amount of ram : 1006 MB
Total amount of swap : 1023 MB
System uptime : 1:37,
Download speed : (547KB/s)
I/O speed : 58.2MB/s
服务器 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, 5.91697 s, 45.4 MB/s
国内访问速度：
带宽测试：
Location Provider Speed
CDN Cachefly 554KB/s
Atlanta, GA, US Coloat 291KB/s
Dallas, TX, US Softlayer 351KB/s
Seattle, WA, US Softlayer 575KB/s
San Jose, CA, US Softlayer 470KB/s
Washington, DC, US Softlayer 570KB/s
Tokyo, Japan Linode 860KB/s
Singapore Softlayer 651KB/s
Rotterdam, Netherlands id3.net 234KB/s
Haarlem, Netherlands Leaseweb 239KB/s
Disk Speed
----------
I/O (1st run) : 94.2 MB/s
I/O (2nd run) : 190 MB/s
I/O (3rd run) : 186 MB/s
Average I/O : 156.733 MB/s
UnixBench跑分：
Benchmark Run: Thu Jul 28 2016 19:37:01 - 20:04:56
2 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 13143780.2 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2384.6 MWIPS (10.0 s, 7 samples)
Execl Throughput 1438.3 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 278639.2 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 45657.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1065135.3 KBps (30.0 s, 2 samples)
Pipe Throughput 290284.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 80730.8 lps (10.0 s, 7 samples)
Process Creation 3553.1 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 2944.0 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 696.1 lpm (60.0 s, 2 samples)
System Call Overhead 1658185.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 13143780.2 1126.3
Double-Precision Whetstone 55.0 2384.6 433.6
Execl Throughput 43.0 1438.3 334.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 278639.2 703.6
File Copy 256 bufsize 500 maxblocks 1655.0 45657.5 275.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 1065135.3 1836.4
Pipe Throughput 12440.0 290284.4 233.3
Pipe-based Context Switching 4000.0 80730.8 201.8
Process Creation 126.0 3553.1 282.0
Shell Scripts (1 concurrent) 42.4 2944.0 694.3
Shell Scripts (8 concurrent) 6.0 696.1 1160.2
System Call Overhead 15000.0 1658185.8 1105.5
========
System Benchmarks Index Score 545.1
------------------------------------------------------------------------
Benchmark Run: Thu Jul 28 2016 20:04:56 - 20:32:50
2 CPUs in system; running 2 parallel copies of tests
Dhrystone 2 using register variables 24588991.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4573.0 MWIPS (10.2 s, 7 samples)
Execl Throughput 3858.9 lps (29.6 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 569798.7 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 88242.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2023623.4 KBps (30.0 s, 2 samples)
Pipe Throughput 563666.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 165245.1 lps (10.0 s, 7 samples)
Process Creation 10036.6 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5456.5 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 841.5 lpm (60.1 s, 2 samples)
System Call Overhead 2997247.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 24588991.8 2107.0
Double-Precision Whetstone 55.0 4573.0 831.5
Execl Throughput 43.0 3858.9 897.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 569798.7 1438.9
File Copy 256 bufsize 500 maxblocks 1655.0 88242.4 533.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 2023623.4 3489.0
Pipe Throughput 12440.0 563666.2 453.1
Pipe-based Context Switching 4000.0 165245.1 413.1
Process Creation 126.0 10036.6 796.6
Shell Scripts (1 concurrent) 42.4 5456.5 1286.9
Shell Scripts (8 concurrent) 6.0 841.5 1402.4
System Call Overhead 15000.0 2997247.3 1998.2
========
System Benchmarks Index Score 1070.4
丢包测试：
08/05 21:15:24.234 Ping to 103.214.xxx.xxx with 32 bytes of data and 32 of TTL:
08/05 21:15:24.297 PingMin #1 Reply 32 bytes from 103.214.195.92: time=56ms TTL=49, ave=56.00ms
08/05 21:15:26.302 PingMax #3 Reply 32 bytes from 103.214.195.92: time=77ms TTL=49, ave=63.00ms
08/05 21:15:27.281 PingMin #4 Reply 32 bytes from 103.214.195.92: time=55ms TTL=49, ave=61.00ms
08/05 21:15:48.283 === 25 有效发送, 25 接收, 0.00% 丢失, 56.56ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/08/05 21:15:24
经过时间: 000:00:24
结束时间: 2016/08/05 21:15:48
----------------
25 总计发送
0 无效接收 (除了超时的其它错误)
----------------
25 有效发送
25 有效接收
0 timed out (0.00% 丢失)
Ping 最小值 55ms, 最大值 77ms, 平均值 56.56ms
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