详情：Netcloud：$7.99/月/1GB内存/20GB空间/不限流量/10Mbps/KVM/香港
这样的带宽、性能，加上价格，很合适！不过I/O偏低。
1、系统信息、带宽、I/O测试
CPU model : QEMU Virtual CPU version 2.5+
Number of cores : 1
CPU frequency : 3503.996 MHz
Total size of Disk : 68.0 GB (1.0 GB Used)
Total amount of Mem : 992 MB (62 MB Used)
Total amount of Swap : 0 MB (0 MB Used)
System uptime : 0 days 4 hour 51 min
Load average : 0.23, 0.09, 0.06
OS : CentOS 7.3.1611
Arch : x86_64 (64 Bit)
Kernel : 3.10.0-514.26.2.el7.x86_64
Virt : kvm
----------------------------------------------------------------------
I/O speed( 32M ) : 80.5 MB/s
I/O speed( 256M ) : 89.4 MB/s
I/O speed( 2G ) : 79.5 MB/s
Average I/O speed : 83.1 MB/s
----------------------------------------------------------------------
Node Name Upload Speed Download Speed Latency
Normal Node 8.38 Mbit/s 37.84 Mbit/s 14.593 ms
Shanghai CT 8.12 Mbit/s 35.91 Mbit/s 65.254 ms
Chengdu CT 4.34 Mbit/s 35.77 Mbit/s 74.563 ms
Xi'an CU 7.48 Mbit/s 16.28 Mbit/s 787.144 ms
Shanghai CU 7.06 Mbit/s 12.02 Mbit/s 230.82 ms
Chongqing CU 8.39 Mbit/s 24.32 Mbit/s 233.431 ms
Xi'an CM 7.97 Mbit/s 37.88 Mbit/s 53.752 ms
Shanghai CM 0.00 Mbit/s 0.00 Mbit/s 000.000 ms
Chengdu CM 0.00 Mbit/s 0.00 Mbit/s 000.000 ms
----------------------------------------------------------------------
Total time : 5 min 15 sec
Current time : 2018-03-03 11:04:59
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) [0.00 km]: 12.478 ms
Testing download speed................................................................................
Download: 37.82 Mbit/s
Testing upload speed................................................................................................
Upload: 8.46 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, 66.7999 s, 4.0 MB/s
5、UnixBench跑分
Benchmark Run: Sat Mar 03 2018 11:10:44 - 11:39:26
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 44215931.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3817.1 MWIPS (13.5 s, 7 samples)
Execl Throughput 5559.3 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1328940.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 374815.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 3407957.6 KBps (30.0 s, 2 samples)
Pipe Throughput 2033335.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 451356.6 lps (10.0 s, 7 samples)
Process Creation 16676.9 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 7318.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 966.8 lpm (60.0 s, 2 samples)
System Call Overhead 3549787.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 44215931.6 3788.9
Double-Precision Whetstone 55.0 3817.1 694.0
Execl Throughput 43.0 5559.3 1292.9
File Copy 1024 bufsize 2000 maxblocks 3960.0 1328940.5 3355.9
File Copy 256 bufsize 500 maxblocks 1655.0 374815.9 2264.7
File Copy 4096 bufsize 8000 maxblocks 5800.0 3407957.6 5875.8
Pipe Throughput 12440.0 2033335.7 1634.5
Pipe-based Context Switching 4000.0 451356.6 1128.4
Process Creation 126.0 16676.9 1323.6
Shell Scripts (1 concurrent) 42.4 7318.3 1726.0
Shell Scripts (8 concurrent) 6.0 966.8 1611.4
System Call Overhead 15000.0 3549787.3 2366.5
========
System Benchmarks Index Score 1915.5
6、丢包测试
Ping from 10.0.0.9 to 202.81.xxx.xxx
==============================================================================
03/03 19:07:51.878 Ping to 202.81.xxx.xxx with 32 bytes of data and 32 of TTL:
03/03 19:07:51.951 PingMin #1 Reply 32 bytes from 202.81.xxx.xxx: time=71ms TTL=48, ave=71.00ms
03/03 19:07:52.938 PingMin #2 Reply 32 bytes from 202.81.xxx.xxx: time=70ms TTL=48, ave=70.50ms
03/03 19:07:57.950 PingMax #7 Reply 32 bytes from 202.81.xxx.xxx: time=77ms TTL=48, ave=71.29ms
03/03 19:08:10.939 === 20 有效发送, 20 接收, 0.00% 丢失, 70.80ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2018/03/03 19:07:51
经过时间: 000:00:19
结束时间: 2018/03/03 19:08:10
----------------
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 70ms, 最大值 77ms, 平均值 70.80ms
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！