详情：Dacentec：$25/月/2XL5420/8GB内存/7TB空间/10TB流量/北卡罗莱纳
特色是7TB硬盘，月付仅25美金。
1、系统信息及带宽测试
CPU model : Quad-Core AMD Opteron(tm) Processor 1385
Number of cores : 4
CPU frequency : 800.000 MHz
Total size of Disk : 1844.4 GB (1.4 GB Used)
Total amount of Mem : 7869 MB (1239 MB Used)
Total amount of Swap : 7999 MB (0 MB Used)
System uptime : 0 days, 17 hour 6 min
Load average : 0.01, 0.02, 0.08
OS : CentOS 6.8
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-642.el6.x86_64
----------------------------------------------------------------------
I/O speed(1st run) : 130 MB/s
I/O speed(2nd run) : 129 MB/s
I/O speed(3rd run) : 128 MB/s
Average I/O speed : 129.0 MB/s
----------------------------------------------------------------------
Node Name IPv4 address Download Speed
CacheFly 205.234.175.175 26.2MB/s
Linode, Tokyo, JP 106.187.96.148 2.74MB/s
Linode, Singapore, SG 139.162.23.4 4.74MB/s
Linode, London, UK 176.58.107.39 13.1MB/s
Linode, Frankfurt, DE 139.162.130.8 14.9MB/s
Linode, Fremont, CA 50.116.14.9 5.99MB/s
Softlayer, Dallas, TX 173.192.68.18 66.1MB/s
Softlayer, Seattle, WA 67.228.112.250 28.0MB/s
Softlayer, Frankfurt, DE 159.122.69.4 13.9MB/s
Softlayer, Singapore, SG 119.81.28.170 6.68MB/s
Softlayer, HongKong, CN 119.81.130.170 10.9MB/s
2、上传/下载带宽测试
Hosted by QuadraNet, Inc (Los Angeles, CA) [1.88 km]: 67.9 ms
Testing download speed................................................
Download: 325.64 Mbit/s
Testing upload speed..................................................
Upload: 98.35 Mbit/s
3、国内ping
4、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, 153.05 s, 1.8 MB/s
5、UnixBench跑分
Benchmark Run: Thu Jan 12 2017 03:32:48 - 04:00:53
4 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 23627298.3 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2421.5 MWIPS (9.9 s, 7 samples)
Execl Throughput 999.8 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 627171.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 175110.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1043126.0 KBps (30.0 s, 2 samples)
Pipe Throughput 1339007.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 54906.9 lps (10.0 s, 7 samples)
Process Creation 3507.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 1883.1 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2206.1 lpm (60.0 s, 2 samples)
System Call Overhead 1865104.1 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 23627298.3 2024.6
Double-Precision Whetstone 55.0 2421.5 440.3
Execl Throughput 43.0 999.8 232.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 627171.1 1583.8
File Copy 256 bufsize 500 maxblocks 1655.0 175110.4 1058.1
File Copy 4096 bufsize 8000 maxblocks 5800.0 1043126.0 1798.5
Pipe Throughput 12440.0 1339007.1 1076.4
Pipe-based Context Switching 4000.0 54906.9 137.3
Process Creation 126.0 3507.7 278.4
Shell Scripts (1 concurrent) 42.4 1883.1 444.1
Shell Scripts (8 concurrent) 6.0 2206.1 3676.8
System Call Overhead 15000.0 1865104.1 1243.4
========
System Benchmarks Index Score 781.8
------------------------------------------------------------------------
Benchmark Run: Thu Jan 12 2017 04:00:53 - 04:29:23
4 CPUs in system; running 4 parallel copies of tests
Dhrystone 2 using register variables 94923979.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 9661.5 MWIPS (9.9 s, 7 samples)
Execl Throughput 15406.5 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 565822.6 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 157776.1 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1768053.4 KBps (30.0 s, 2 samples)
Pipe Throughput 5288805.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 1000313.7 lps (10.0 s, 7 samples)
Process Creation 47451.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 18486.0 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2453.7 lpm (60.1 s, 2 samples)
System Call Overhead 4239846.4 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 94923979.8 8134.0
Double-Precision Whetstone 55.0 9661.5 1756.6
Execl Throughput 43.0 15406.5 3582.9
File Copy 1024 bufsize 2000 maxblocks 3960.0 565822.6 1428.8
File Copy 256 bufsize 500 maxblocks 1655.0 157776.1 953.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1768053.4 3048.4
Pipe Throughput 12440.0 5288805.2 4251.5
Pipe-based Context Switching 4000.0 1000313.7 2500.8
Process Creation 126.0 47451.7 3766.0
Shell Scripts (1 concurrent) 42.4 18486.0 4359.9
Shell Scripts (8 concurrent) 6.0 2453.7 4089.5
System Call Overhead 15000.0 4239846.4 2826.6
========
System Benchmarks Index Score 2946.9
6、丢包测试
Ping from 192.168.1.186 to 23.92.xxx.xxx
==============================================================================
01/12 16:01:08.734 Ping to 23.92.xxx.xxx with 32 bytes of data and 32 of TTL:
01/12 16:01:09.138 PingMin #1 Reply 32 bytes from 23.92.xxx.xxx: time=405ms TTL=47, ave=405.00ms
01/12 16:01:10.386 超时 #2 *****(32 bytes) 请求超时。
01/12 16:01:11.379 超时 #3 *****(32 bytes) 请求超时。
01/12 16:01:12.386 超时 #4 *****(32 bytes) 请求超时。
01/12 16:01:13.379 超时 #5 *****(32 bytes) 请求超时。
01/12 16:01:14.144 PingMin #6 Reply 32 bytes from 23.92.xxx.xxx: time=399ms TTL=47, ave=402.00ms
01/12 16:01:15.170 PingMax #7 Reply 32 bytes from 23.92.xxx.xxx: time=409ms TTL=47, ave=404.33ms
01/12 16:01:16.389 超时 #8 *****(32 bytes) 请求超时。
01/12 16:01:18.379 超时 #10 *****(32 bytes) 请求超时。
01/12 16:01:19.141 PingMax #11 Reply 32 bytes from 23.92.xxx.xxx: time=411ms TTL=47, ave=405.60ms
01/12 16:01:20.389 超时 #12 *****(32 bytes) 请求超时。
01/12 16:01:21.379 超时 #13 *****(32 bytes) 请求超时。
01/12 16:01:22.379 超时 #14 *****(32 bytes) 请求超时。
01/12 16:01:23.379 超时 #15 *****(32 bytes) 请求超时。
01/12 16:01:24.148 PingMax #16 Reply 32 bytes from 23.92.xxx.xxx: time=414ms TTL=47, ave=407.00ms
01/12 16:01:25.158 PingMax #17 Reply 32 bytes from 23.92.xxx.xxx: time=416ms TTL=47, ave=408.29ms
01/12 16:01:26.159 PingMax #18 Reply 32 bytes from 23.92.xxx.xxx: time=417ms TTL=47, ave=409.38ms
01/12 16:01:27.388 超时 #19 *****(32 bytes) 请求超时。
01/12 16:01:28.379 超时 #20 *****(32 bytes) 请求超时。
01/12 16:01:28.379 === 20 有效发送, 8 接收, 60.00% 丢失, 409.38ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2017/01/12 16:01:08
经过时间: 000:00:19
结束时间: 2017/01/12 16:01:28
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
8 有效接收
12 timed out (60.00% 丢失)
Ping 最小值 399ms, 最大值 417ms, 平均值 409.38ms
7、路由追踪
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