VPS推荐网Dediserve可以算是一家老牌的海外VPS主机商，提供的数据中心也是非常的多，其中包括大家认为比较稳定的维也纳也在其中；其实个人对于这个并不是很感冒，毕竟国内选择的用户不是太多，提供的主机商也不是很多，相对于热门的洛杉矶、新加坡线路来说，可能维也纳有些时候表现的好一点而已。
对于套餐方案可以参见：dediserve 维也纳KVM VPS主机1g内存 SSD硬盘
系统信息、带宽、I/O测试
CPU model : QEMU Virtual CPU version (cpu64-rhel6)
Number of cores : 1
CPU frequency : 2199.998 MHz
Total size of Disk : 25.0 GB (1.4 GB Used)
Total amount of Mem : 988 MB (54 MB Used)
Total amount of Swap : 1023 MB (0 MB Used)
System uptime : 0 days, 0 hour 15 min
Load average : 0.00, 0.27, 0.28
OS : CentOS 7.3.1611
Arch : x86_64 (64 Bit)
Kernel : 3.10.0-327.4.4.el7.centos.plus.x86_64
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I/O speed(1st run) : 736 MB/s
I/O speed(2nd run) : 832 MB/s
I/O speed(3rd run) : 761 MB/s
Average I/O speed : 776.3 MB/s
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Node Name IPv4 address Download Speed
CacheFly 205.234.175.175 50.3MB/s
Linode, Tokyo, JP 106.187.96.148 1.37MB/s
Linode, Singapore, SG 139.162.23.4 2.71MB/s
Linode, London, UK 176.58.107.39 13.7MB/s
Linode, Frankfurt, DE 139.162.130.8 13.7MB/s
Linode, Fremont, CA 50.116.14.9 1.12MB/s
Softlayer, Dallas, TX 173.192.68.18 3.66MB/s
Softlayer, Seattle, WA 67.228.112.250 8.52MB/s
Softlayer, Frankfurt, DE 159.122.69.4 17.6MB/s
Softlayer, Singapore, SG 119.81.28.170 3.69MB/s
Softlayer, HongKong, CN 119.81.130.170 3.74MB/s
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, 5.44518 s, 49.3 MB/sUnixBench跑分
Benchmark Run: Sat Aug 20 2017 09:16:41 - 09:44:49
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 28083121.7 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3589.3 MWIPS (9.9 s, 7 samples)
Execl Throughput 3279.4 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 668144.3 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 193691.5 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1366579.3 KBps (30.0 s, 2 samples)
Pipe Throughput 1404997.4 lps (10.0 s, 7 samples)
Pipe-based Context Switching 261570.0 lps (10.0 s, 7 samples)
Process Creation 8833.8 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4388.7 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 575.4 lpm (60.0 s, 2 samples)
System Call Overhead 2032610.1 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 28083121.7 2406.4
Double-Precision Whetstone 55.0 3589.3 652.6
Execl Throughput 43.0 3279.4 762.6
File Copy 1024 bufsize 2000 maxblocks 3960.0 668144.3 1687.2
File Copy 256 bufsize 500 maxblocks 1655.0 193691.5 1170.3
File Copy 4096 bufsize 8000 maxblocks 5800.0 1366579.3 2356.2
Pipe Throughput 12440.0 1404997.4 1129.4
Pipe-based Context Switching 4000.0 261570.0 653.9
Process Creation 126.0 8833.8 701.1
Shell Scripts (1 concurrent) 42.4 4388.7 1035.1
Shell Scripts (8 concurrent) 6.0 575.4 959.1
System Call Overhead 15000.0 2032610.1 1355.1
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System Benchmarks Index Score 1119.6小结
IO性能还算不错，网络对于一般的视频来说建议还是避免高峰期，毕竟使用人数增多之后，也会出现各种卡顿的现象；对于想用于面向国内用户的网站建设就没有必要选择了，毕竟有些时候还是会很抓狂的。