性价比很高的独立主机：Database By Design：$9/月/16GB内存/146GB SAS硬盘/无限流量/1 IP/费城
系统信息：
CPU model : Intel(R) Xeon(R) CPU E31270 @ 3.40GHz Number of cores : 8 CPU frequency : 1599.768 MHz Total size of Disk : 909.5 GB (137.1 GB Used) Total amount of Mem : 16037 MB (15272 MB Used) Total amount of Swap : 8039 MB (6 MB Used) System uptime : 82 days, 14 hour 30 min Load average : 0.00, 0.00, 0.00 OS : CentOS 6.8 Arch : x86_64 (64 Bit) Kernel : 4.9.0-1.el6.x86_64 ---------------------------------------------------------------------- I/O speed(1st run) : 135 MB/s I/O speed(2nd run) : 135 MB/s I/O speed(3rd run) : 133 MB/s Average I/O speed : 134.3 MB/s ---------------------------------------------------------------------- Node Name IPv4 address Download Speed CacheFly 205.234.175.175 6.57MB/s Linode, Tokyo, JP 106.187.96.148 2.39MB/s Linode, Singapore, SG 139.162.23.4 581KB/s Linode, London, UK 176.58.107.39 1.70MB/s Linode, Frankfurt, DE 139.162.130.8 1.27MB/s Linode, Fremont, CA 50.116.14.9 1.49MB/s Softlayer, Dallas, TX 173.192.68.18 6.14MB/s Softlayer, Seattle, WA 67.228.112.250 4.62MB/s Softlayer, Frankfurt, DE 159.122.69.4 750KB/s Softlayer, Singapore, SG 119.81.28.170 1.61MB/s Softlayer, HongKong, CN 119.81.130.170 194KB/s主机 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, 118.606 s, 2.3 MB/s国内ping：
Benchmarks跑分：
Benchmark Run: Sun Mar 13 2016 09:57:11 - 10:25:24 8 CPUs in system; running 1 parallel copy of tests Dhrystone 2 using register variables 37778767.4 lps (10.0 s, 7 samples) Double-Precision Whetstone 3994.2 MWIPS (9.9 s, 7 samples) Execl Throughput 5331.3 lps (29.9 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 1221873.6 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 330272.6 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 2928223.4 KBps (30.0 s, 2 samples) Pipe Throughput 2484011.4 lps (10.0 s, 7 samples) Pipe-based Context Switching 302463.7 lps (10.0 s, 7 samples) Process Creation 19643.7 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 8735.4 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 3738.4 lpm (60.0 s, 2 samples) System Call Overhead 4449822.4 lps (10.0 s, 7 samples) System Benchmarks Index Values BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 37778767.4 3237.3 Double-Precision Whetstone 55.0 3994.2 726.2 Execl Throughput 43.0 5331.3 1239.8 File Copy 1024 bufsize 2000 maxblocks 3960.0 1221873.6 3085.5 File Copy 256 bufsize 500 maxblocks 1655.0 330272.6 1995.6 File Copy 4096 bufsize 8000 maxblocks 5800.0 2928223.4 5048.7 Pipe Throughput 12440.0 2484011.4 1996.8 Pipe-based Context Switching 4000.0 302463.7 756.2 Process Creation 126.0 19643.7 1559.0 Shell Scripts (1 concurrent) 42.4 8735.4 2060.2 Shell Scripts (8 concurrent) 6.0 3738.4 6230.6 System Call Overhead 15000.0 4449822.4 2966.5 ======== System Benchmarks Index Score 2117.4 ------------------------------------------------------------------------ Benchmark Run: Sun Mar 13 2016 10:25:24 - 10:53:37 8 CPUs in system; running 8 parallel copies of tests Dhrystone 2 using register variables 164282329.3 lps (10.0 s, 7 samples) Double-Precision Whetstone 27043.2 MWIPS (9.9 s, 7 samples) Execl Throughput 32134.0 lps (29.9 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 1027150.5 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 268262.9 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 3094176.1 KBps (30.0 s, 2 samples) Pipe Throughput 11258559.7 lps (10.0 s, 7 samples) Pipe-based Context Switching 2202078.8 lps (10.0 s, 7 samples) Process Creation 94551.0 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 34284.4 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 4646.3 lpm (60.0 s, 2 samples) System Call Overhead 10080218.4 lps (10.0 s, 7 samples) System Benchmarks Index Values BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 164282329.3 14077.3 Double-Precision Whetstone 55.0 27043.2 4916.9 Execl Throughput 43.0 32134.0 7473.0 File Copy 1024 bufsize 2000 maxblocks 3960.0 1027150.5 2593.8 File Copy 256 bufsize 500 maxblocks 1655.0 268262.9 1620.9 File Copy 4096 bufsize 8000 maxblocks 5800.0 3094176.1 5334.8 Pipe Throughput 12440.0 11258559.7 9050.3 Pipe-based Context Switching 4000.0 2202078.8 5505.2 Process Creation 126.0 94551.0 7504.0 Shell Scripts (1 concurrent) 42.4 34284.4 8085.9 Shell Scripts (8 concurrent) 6.0 4646.3 7743.9 System Call Overhead 15000.0 10080218.4 6720.1 ======== System Benchmarks Index Score 5912.6带宽测试：
Location Provider Speed CDN Cachefly 55.8MB/s Atlanta, GA, US Coloat 61.1MB/s Dallas, TX, US Softlayer 31.4MB/s Seattle, WA, US Softlayer 21.6MB/s San Jose, CA, US Softlayer 18.8MB/s Washington, DC, US Softlayer 1.71MB/s Tokyo, Japan Linode 6.07MB/s Singapore Softlayer 313KB/s Rotterdam, Netherlands id3.net 6.73MB/s Haarlem, Netherlands Leaseweb 34.3MB/s硬盘使用时间：
上传/下载带宽测试：
Hosted by Quonix, Inc. (Philadelphia, PA) [0.49 km]: 6.21 ms Testing download speed................................................................................ Download: 38.99 Mbit/s Testing upload speed.................................................................................................... Upload: 22.46 Mbit/s推荐站内搜索：租用服务器、美国域名注册、虚拟主机测评、备案域名查询、查询域名是否备案日本服务器免费、域名备案、网站域名查询、网站备案价格、永久免费linux服务器、
