详情：DMIT：$9/月/512MB内存/10GB SSD空间/300GB流量/100Mbps/KVM/香港HK-A
从测试看，还不错，可能是1Gbps共享带宽，IO给力。
1、系统信息、带宽、I/O测试
CPU model : QEMU Virtual CPU version 2.5+
Number of cores : 2
CPU frequency : 2799.998 MHz
Total size of Disk : 9.8 GB (0.7 GB Used)
Total amount of Mem : 995 MB (136 MB Used)
Total amount of Swap : 63 MB (0 MB Used)
System uptime : 0 days 0 hour 2 min
Load average : 0.01, 0.01, 0.00
OS : CentOS 6.9
Arch : x86_64 (64 Bit)
Kernel : 2.6.32-696.30.1.el6.x86_64
Virt : kvm
----------------------------------------------------------------------
I/O speed( 32M ) : 485 MB/s
I/O speed( 256M ) : 641 MB/s
I/O speed( 2G ) : 576 MB/s
Average I/O speed : 567.3 MB/s
----------------------------------------------------------------------
Node Name Upload Speed Download Speed Latency
Normal Node 230.87 Mbit/s 594.10 Mbit/s 8.515 ms
Xiangyang CT 9.77 Mbit/s 132.18 Mbit/s 164.522 ms
Shanghai CT 112.33 Mbit/s 97.94 Mbit/s 219.03 ms
Chengdu CT 82.47 Mbit/s 114.23 Mbit/s 000.000 ms
Xi'an CU 109.04 Mbit/s 98.45 Mbit/s 173.256 ms
Shanghai CU 70.25 Mbit/s 118.93 Mbit/s 45.782 ms
Chongqing CU 96.81 Mbit/s 120.77 Mbit/s 34.824 ms
Xi'an CM 246.02 Mbit/s 289.72 Mbit/s 44.449 ms
Shanghai CM 9.87 Mbit/s 3.65 Mbit/s 168.144 ms
Chengdu CM 13.17 Mbit/s 13.24 Mbit/s 233.388 ms
----------------------------------------------------------------------
Total time : 4 min 25 sec
Current time : 2018-06-13 00:54:50
Finished！
2、上传/下载带宽测试
Selecting best server based on ping...
Hosted by STC (Hong Kong) [0.00 km]: 6.919 ms
Testing download speed...........................
Download: 636.97 Mbit/s
Testing upload speed.............................
Upload: 597.72 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, 2.5406 s, 106 MB/s
5、UnixBench跑分
Benchmark Run: Wed Jun 13 2018 00:57:10 - 01:25:14
2 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 39493946.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4283.2 MWIPS (9.9 s, 7 samples)
Execl Throughput 2739.5 lps (29.8 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 397591.4 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 102145.7 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1404857.6 KBps (30.0 s, 2 samples)
Pipe Throughput 623315.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 191023.3 lps (10.0 s, 7 samples)
Process Creation 9482.8 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 5385.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1245.6 lpm (60.0 s, 2 samples)
System Call Overhead 596736.6 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 39493946.8 3384.2
Double-Precision Whetstone 55.0 4283.2 778.8
Execl Throughput 43.0 2739.5 637.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 397591.4 1004.0
File Copy 256 bufsize 500 maxblocks 1655.0 102145.7 617.2
File Copy 4096 bufsize 8000 maxblocks 5800.0 1404857.6 2422.2
Pipe Throughput 12440.0 623315.7 501.1
Pipe-based Context Switching 4000.0 191023.3 477.6
Process Creation 126.0 9482.8 752.6
Shell Scripts (1 concurrent) 42.4 5385.2 1270.1
Shell Scripts (8 concurrent) 6.0 1245.6 2076.0
System Call Overhead 15000.0 596736.6 397.8
========
System Benchmarks Index Score 940.0
------------------------------------------------------------------------
Benchmark Run: Wed Jun 13 2018 01:25:14 - 01:53:20
2 CPUs in system; running 2 parallel copies of tests
Dhrystone 2 using register variables 77689713.9 lps (10.0 s, 7 samples)
Double-Precision Whetstone 8404.3 MWIPS (9.9 s, 7 samples)
Execl Throughput 6647.2 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 539767.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 159429.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1775938.7 KBps (30.0 s, 2 samples)
Pipe Throughput 1268012.6 lps (10.0 s, 7 samples)
Pipe-based Context Switching 396757.4 lps (10.0 s, 7 samples)
Process Creation 24108.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 9394.9 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1291.6 lpm (60.1 s, 2 samples)
System Call Overhead 1061813.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 77689713.9 6657.2
Double-Precision Whetstone 55.0 8404.3 1528.1
Execl Throughput 43.0 6647.2 1545.9
File Copy 1024 bufsize 2000 maxblocks 3960.0 539767.5 1363.0
File Copy 256 bufsize 500 maxblocks 1655.0 159429.5 963.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1775938.7 3062.0
Pipe Throughput 12440.0 1268012.6 1019.3
Pipe-based Context Switching 4000.0 396757.4 991.9
Process Creation 126.0 24108.7 1913.4
Shell Scripts (1 concurrent) 42.4 9394.9 2215.8
Shell Scripts (8 concurrent) 6.0 1291.6 2152.6
System Call Overhead 15000.0 1061813.8 707.9
========
System Benchmarks Index Score 1651.9
6、丢包测试
Ping from 192.168.16.243 to 193.110.xxx.xxx
==============================================================================
06/13 12:57:22.453 Ping to 193.110.xxx.xxx with 32 bytes of data and 32 of TTL:
06/13 12:57:22.532 PingMin #1 Reply 32 bytes from 193.110.xxx.xxx: time=74ms TTL=46, ave=74.00ms
06/13 12:57:23.531 PingMin #2 Reply 32 bytes from 193.110.xxx.xxx: time=71ms TTL=46, ave=72.50ms
06/13 12:57:26.550 PingMax #5 Reply 32 bytes from 193.110.xxx.xxx: time=88ms TTL=46, ave=76.20ms
06/13 12:57:31.531 PingMin #10 Reply 32 bytes from 193.110.xxx.xxx: time=70ms TTL=46, ave=74.90ms
06/13 12:57:33.531 PingMin #12 Reply 32 bytes from 193.110.xxx.xxx: time=69ms TTL=46, ave=74.42ms
06/13 12:57:56.573 PingMax #35 Reply 32 bytes from 193.110.xxx.xxx: time=108ms TTL=46, ave=75.94ms
06/13 12:59:01.539 === 100 有效发送, 100 接收, 0.00% 丢失, 74.83ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2018/06/13 12:57:22
经过时间: 000:01:39
结束时间: 2018/06/13 12:59:01
----------------
100 总计发送
0 无效接收 (除了超时的其它错误)
----------------
100 有效发送
100 有效接收
0 timed out (0.00% 丢失)
Ping 最小值 69ms, 最大值 108ms, 平均值 74.83ms
7、路由追踪
电信
联通
8、Youtube速度测试
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所有主机信息仅是为及时分享并收录，不做推荐！