详情：DGCHost：$4.5/月/512MB内存/20GB SSD空间/1TB流量/30Mbps/KVM/香港
网络不错，带宽大，值得拥有！
感谢QQ群友提供机器测评！
1、系统信息、带宽、I/O测试
CPU model : Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
Number of cores : 1
CPU frequency : 1999.999 MHz
Total size of Disk : 20.0 GB (2.0 GB Used)
Total amount of Mem : 490 MB (183 MB Used)
Total amount of Swap : 0 MB (0 MB Used)
System uptime : 46 days 17 hour 17 min
Load average : 0.00, 0.00, 0.00
OS : CentOS 6.9
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-696.1.1.el6.x86_64
Virt : kvm
----------------------------------------------------------------------
I/O speed( 32M ) : 131 MB/s
I/O speed( 256M ) : 237 MB/s
I/O speed( 2G ) : 494 MB/s
Average I/O speed : 287.3 MB/s
----------------------------------------------------------------------
Node Name Upload Speed Download Speed Latency
Normal Node 28.23 Mbit/s 28.35 Mbit/s 9.88 ms
Shanghai CT 21.57 Mbit/s 15.11 Mbit/s 74.285 ms
Chengdu CT 4.69 Mbit/s 0.00 Mbit/s 000.000 ms
Xi'an CU 21.72 Mbit/s 22.50 Mbit/s 123.045 ms
Shanghai CU 18.51 Mbit/s 24.51 Mbit/s 85.025 ms
Chongqing CU 16.48 Mbit/s 26.57 Mbit/s 109.888 ms
Xi'an CM 20.05 Mbit/s 27.64 Mbit/s 33.248 ms
Shanghai CM 12.95 Mbit/s 28.30 Mbit/s 58.602 ms
Chengdu CM 2.44 Mbit/s 26.91 Mbit/s 74.521 ms
----------------------------------------------------------------------
Total time : 4 min 36 sec
Current time : 2018-03-20 01:08:04
Finished！
2、上传/下载带宽测试
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by STC (Hong Kong) [3.77 km]: 10.013 ms
Testing download speed................................................................................
Download: 28.02 Mbit/s
Testing upload speed................................................................................................
Upload: 26.46 Mbit/s
3、国内访问速度
4、硬盘 I/O 性能测试
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, 5.24174 s, 51.2 MB/s
5、UnixBench跑分
Benchmark Run: Tue Mar 20 2018 01:53:50 - 02:22:05
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 23554771.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2710.9 MWIPS (9.9 s, 7 samples)
Execl Throughput 2858.6 lps (29.5 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 436896.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 134358.3 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1028490.2 KBps (30.0 s, 2 samples)
Pipe Throughput 1259062.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 228579.8 lps (10.0 s, 7 samples)
Process Creation 7288.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 3247.0 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 446.0 lpm (60.1 s, 2 samples)
System Call Overhead 1679107.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 23554771.8 2018.4
Double-Precision Whetstone 55.0 2710.9 492.9
Execl Throughput 43.0 2858.6 664.8
File Copy 1024 bufsize 2000 maxblocks 3960.0 436896.1 1103.3
File Copy 256 bufsize 500 maxblocks 1655.0 134358.3 811.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 1028490.2 1773.3
Pipe Throughput 12440.0 1259062.4 1012.1
Pipe-based Context Switching 4000.0 228579.8 571.4
Process Creation 126.0 7288.5 578.5
Shell Scripts (1 concurrent) 42.4 3247.0 765.8
Shell Scripts (8 concurrent) 6.0 446.0 743.3
System Call Overhead 15000.0 1679107.3 1119.4
========
System Benchmarks Index Score 882.8
6、丢包测试
Ping from 192.168.16.213 to 182.161.xxx.xxx
==============================================================================
03/20 09:50:18.403 Ping to 182.161.xxx.xxx with 32 bytes of data and 32 of TTL:
03/20 09:50:18.500 PingMin #1 Reply 32 bytes from 182.161.xxx.xxx: time=95ms TTL=49, ave=95.00ms
03/20 09:50:19.492 PingMin #2 Reply 32 bytes from 182.161.xxx.xxx: time=94ms TTL=49, ave=94.50ms
03/20 09:50:20.493 PingMin #3 Reply 32 bytes from 182.161.xxx.xxx: time=93ms TTL=49, ave=94.00ms
03/20 09:50:34.494 PingMax #17 Reply 32 bytes from 182.161.xxx.xxx: time=96ms TTL=49, ave=94.12ms
03/20 09:50:37.494 === 20 有效发送, 20 接收, 0.00% 丢失, 94.05ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2018/03/20 09:50:18
经过时间: 000:00:19
结束时间: 2018/03/20 09:50:37
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
20 有效接收
0 timed out (0.00% 丢失)
Ping 最小值 93ms, 最大值 96ms, 平均值 94.05ms
7、路由追踪
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