详情：VPSFast：$1/月/512MB内存/15GB空间/1TB流量/KVM/洛杉矶
Node：KVM-LAX
系统信息及带宽测试：
System Info
-----------
Processor : QEMU Virtual CPU version (cpu64-rhel6)
CPU Cores : 1
Frequency : 3500.016 MHz
Memory : 498 MB
Swap : 511 MB
Uptime : 9 min,
OS : CentOS release 6.8 (Final)
Arch : i686 (32 Bit)
Kernel : 2.6.32-431.1.2.0.1.el6.i686
Hostname : zhujiwiki
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 173.254.*.*
Location Provider Speed
CDN Cachefly 80.1MB/s
Atlanta, GA, US Coloat 2.53MB/s
Dallas, TX, US Softlayer 9.36MB/s
Seattle, WA, US Softlayer 7.56MB/s
San Jose, CA, US Softlayer 18.6MB/s
Washington, DC, US Softlayer 2.78MB/s
Tokyo, Japan Linode 3.52MB/s
Singapore Softlayer 2.15MB/s
Rotterdam, Netherlands id3.net 1.84MB/s
Haarlem, Netherlands Leaseweb 17.1MB/s
Disk Speed
----------
I/O (1st run) : 153 MB/s
I/O (2nd run) : 168 MB/s
I/O (3rd run) : 179 MB/s
Average I/O : 166.667 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, 131.046 s, 2.0 MB/s
UnixBench跑分：
Benchmark Run: Mon Dec 26 2016 09:25:25 - 09:53:44
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 25264911.3 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3473.7 MWIPS (10.0 s, 7 samples)
Execl Throughput 6418.7 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1086054.7 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 313358.6 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2677702.7 KBps (30.0 s, 2 samples)
Pipe Throughput 2081232.8 lps (10.0 s, 7 samples)
Pipe-based Context Switching 427102.0 lps (10.0 s, 7 samples)
Process Creation 24759.3 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 6723.8 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 928.9 lpm (60.0 s, 2 samples)
System Call Overhead 3169501.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 25264911.3 2164.9
Double-Precision Whetstone 55.0 3473.7 631.6
Execl Throughput 43.0 6418.7 1492.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 1086054.7 2742.6
File Copy 256 bufsize 500 maxblocks 1655.0 313358.6 1893.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 2677702.7 4616.7
Pipe Throughput 12440.0 2081232.8 1673.0
Pipe-based Context Switching 4000.0 427102.0 1067.8
Process Creation 126.0 24759.3 1965.0
Shell Scripts (1 concurrent) 42.4 6723.8 1585.8
Shell Scripts (8 concurrent) 6.0 928.9 1548.1
System Call Overhead 15000.0 3169501.3 2113.0
========
System Benchmarks Index Score 1761.3
上传/下载带宽测试：
Testing download speed................................................................................
Download: 415.64 Mbit/s
Testing upload speed....................................................................................................
Upload: 280.74 Mbit/s
国内ping：
路由追踪：
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