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ChangeIP 洛杉矶 KVM VPS主机1GB内存方案 简单使用

ChangeIP提供的VPS主机主要特色就是大部分方案不限流量,部分节点提供20Gbps DDOS防护,目前洛杉矶和丹佛对国内线路进行了优化。近期ChangeIP提供了一枚5折优惠码,使用之后还是具有一定的性价比。在这里分享一下洛杉矶节点VPS主机的一些基本信息吧。

ChangeIP 洛杉矶 KVM VPS主机1GB内存方案  简单使用-VPS推荐网

优惠码:FLAT50OFF  终身优惠,活动有效期不详;

  • 核心:1核CPU
  • 内存:512MB
  • 硬盘:20GB ssd
  • 流量:Unmilited
  • 端口:100Mbps
  • 架构:KVM
  • 价格:22.49美元/年
  • 传送:购买链接
  • 核心:1核CPU
  • 内存:1GB
  • 硬盘:30GB ssd
  • 流量:Unmilited
  • 端口:100Mbps
  • 架构:KVM
  • 价格:34.99美元/年
  • 传送:购买链接

系统信息、带宽、I/O测试

CPU model            : QEMU Virtual CPU version (cpu64-rhel6)
Number of cores      : 1
CPU frequency        : 2599.998 MHz
Total size of Disk   : 30.0 GB (0.8 GB Used)
Total amount of Mem  : 996 MB (172 MB Used)
Total amount of Swap : 511 MB (0 MB Used)
System uptime        : 0 days, 0 hour 10 min
Load average         : 0.67, 0.52, 0.20
OS                   : CentOS 6.5
Arch                 : x86_64 (64 Bit)
Kernel               : 2.6.32-431.1.2.0.1.el6.x86_64
----------------------------------------------------------------------
I/O speed(1st run)   : 47.5 MB/s
I/O speed(2nd run)   : 87.9 MB/s
I/O speed(3rd run)   : 62.5 MB/s
Average I/O speed    : 66.0 MB/s
----------------------------------------------------------------------
Node Name                       IPv4 address            Download Speed
CacheFly                        205.234.175.175         7.35MB/s      
Linode, Tokyo, JP               106.187.96.148          2.83MB/s      
Linode, Singapore, SG           139.162.23.4            2.60MB/s      
Linode, London, UK              176.58.107.39           2.08MB/s      
Linode, Frankfurt, DE           139.162.130.8           3.27MB/s      
Linode, Fremont, CA             50.116.14.9             6.47MB/s      
Softlayer, Dallas, TX           173.192.68.18           4.07MB/s      
Softlayer, Seattle, WA          67.228.112.250          5.31MB/s      
Softlayer, Frankfurt, DE        159.122.69.4            2.44MB/s      
Softlayer, Singapore, SG        119.81.28.170           2.67MB/s      
Softlayer, HongKong, CN         119.81.130.170          1.78MB/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, 164.636 s, 1.6 MB/s

UnixBench跑分

Benchmark Run: Tue Aug 15 2017 19:26:28 - 20:12:50
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       23779977.1 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2899.2 MWIPS (10.1 s, 7 samples)
Execl Throughput                               2990.7 lps   (29.6 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        566098.0 KBps  (30.1 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          170200.3 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1408704.9 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1186396.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 241598.4 lps   (10.0 s, 7 samples)
Process Creation                              10690.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3753.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    491.6 lpm   (60.1 s, 2 samples)
System Call Overhead                        1807537.2 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   23779977.1   2037.7
Double-Precision Whetstone                       55.0       2899.2    527.1
Execl Throughput                                 43.0       2990.7    695.5
File Copy 1024 bufsize 2000 maxblocks          3960.0     566098.0   1429.5
File Copy 256 bufsize 500 maxblocks            1655.0     170200.3   1028.4
File Copy 4096 bufsize 8000 maxblocks          5800.0    1408704.9   2428.8
Pipe Throughput                               12440.0    1186396.7    953.7
Pipe-based Context Switching                   4000.0     241598.4    604.0
Process Creation                                126.0      10690.2    848.4
Shell Scripts (1 concurrent)                     42.4       3753.9    885.3
Shell Scripts (8 concurrent)                      6.0        491.6    819.4
System Call Overhead                          15000.0    1807537.2   1205.0
                                                                   ========
System Benchmarks Index Score                                        1011.0

总结

整体上性能一般般,特别是IO真心的不高,不过一分钱、一分货;这样的性能对于一般的网站建设还是够用了,不过流量或者数据过多估计得要搬家哦,嘿嘿。

说明:与Rectified为同一家公司,所以还是存在一定的历史。

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