PacificRack：全面测速，客观点评，值得选择？

PacificRack是QN机房下的廉价VPS主机站点，数据中心为自营洛杉矶机房，目前主要提供便宜的VPS主机产品，所有VPS主机基于KVM架构，采用SSD硬盘。商家针对前期出现的一些问题更换了新的客服团队，优化和修复了会员中心及VPS管理面板，着力解决机器性能和网络状态，还是有一些明显的改善。最近，主机商发布了两款特别套餐，最低年付9.99美元起。

官方网址

直达连接：pacificrack.com

VPS套餐（优惠码：New Plan ）

VPS测试

由于 Pacificrack 在面板里最高只有 Debian 9 64位版本可选，所有测试都运行在 Debian 9 环境下。同时，为了控制变量，测试位置为美西洛杉矶机房，配置为1H1G。

服务器性能

第一次：
I/O speed(1st run)   : 89.4 MB/s
I/O speed(2nd run)   : 104 MB/s
I/O speed(3rd run)   : 92.0 MB/s
Average I/O speed    : 95.1 MB/s
第二次：
I/O speed(1st run)   : 90.1 MB/s
I/O speed(2nd run)   : 88.0 MB/s
I/O speed(3rd run)   : 95.4 MB/s
Average I/O speed    : 91.2 MB/s
第三次：
I/O speed(1st run)   : 111 MB/s
I/O speed(2nd run)   : 112 MB/s
I/O speed(3rd run)   : 131 MB/s
Average I/O speed    : 118.0 MB/s

UnixBench跑分测试

BYTE UNIX Benchmarks (Version 5.1.3)

   System: Csyvps: GNU/Linux
   OS: GNU/Linux -- 4.9.0-4-amd64 -- #1 SMP Debian 4.9.65-3+deb9u1 (2017-12-23)
   Machine: x86_64 (unknown)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: QEMU Virtual CPU version (cpu64-rhel6) (5200.0 bogomips)
          x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   01:47:14 up  1:07,  1 user,  load average: 0.09, 0.24, 0.30; runlevel 5

------------------------------------------------------------------------
Benchmark Run: Fri Jan 17 2020 01:47:14 - 02:15:24
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       19399515.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     3052.9 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2585.2 lps   (29.7 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        567586.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          138207.8 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1135564.2 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1376439.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 134205.9 lps   (10.0 s, 7 samples)
Process Creation                               6433.5 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   4866.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    660.9 lpm   (60.1 s, 2 samples)
System Call Overhead                        2258575.5 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   19399515.4   1662.3
Double-Precision Whetstone                       55.0       3052.9    555.1
Execl Throughput                                 43.0       2585.2    601.2
File Copy 1024 bufsize 2000 maxblocks          3960.0     567586.8   1433.3
File Copy 256 bufsize 500 maxblocks            1655.0     138207.8    835.1
File Copy 4096 bufsize 8000 maxblocks          5800.0    1135564.2   1957.9
Pipe Throughput                               12440.0    1376439.2   1106.5
Pipe-based Context Switching                   4000.0     134205.9    335.5
Process Creation                                126.0       6433.5    510.6
Shell Scripts (1 concurrent)                     42.4       4866.1   1147.7
Shell Scripts (8 concurrent)                      6.0        660.9   1101.6
System Call Overhead                          15000.0    2258575.5   1505.7
                                                                   ========
System Benchmarks Index Score                                         938.9

网络性能测试

国内：
 Node Name        Upload Speed      Download Speed      Latency     
 Speedtest.net    405.11 Mbit/s     565.16 Mbit/s       2.951 ms   
 Fast.com         0.00 Mbit/s       130.7 Mbit/s        -           
 Beijing 5G   CT  2.02 Mbit/s       4.43 Mbit/s         -          
 Nanjing 5G   CT  3.07 Mbit/s       6.61 Mbit/s         -          
 Hefei 5G     CT  2.29 Mbit/s       6.84 Mbit/s         -          
 Guangzhou 5G CT  6.54 Mbit/s       11.11 Mbit/s        -          
 TianJin 5G   CU  29.17 Mbit/s      8.29 Mbit/s         -          
 Shanghai 5G  CU  18.94 Mbit/s      21.42 Mbit/s        -          
 Guangzhou 5G CU  58.49 Mbit/s      8.61 Mbit/s         -          
 Tianjin 5G   CM  3.56 Mbit/s       107.28 Mbit/s       -          
 Wuxi 5G      CM  2.84 Mbit/s       6.72 Mbit/s         -          
 Nanjing 5G   CM  0.85 Mbit/s       12.11 Mbit/s        -          
 Hefei 5G     CM  14.96 Mbit/s      124.84 Mbit/s       -          
 Changsha 5G  CM  3.59 Mbit/s       24.15 Mbit/s        -      

国外：
Node Name                       IPv4 address            Download Speed
CacheFly                        205.234.175.175         31.4MB/s      
Linode, Tokyo2, JP              139.162.65.37           9.71MB/s      
Linode, Singapore, SG           139.162.23.4            5.74MB/s      
Linode, London, UK              176.58.107.39           8.00MB/s      
Linode, Frankfurt, DE           139.162.130.8           1.36MB/s      
Linode, Fremont, CA             50.116.14.9             17.3MB/s      
Softlayer, Dallas, TX           173.192.68.18           1.05MB/s      
Softlayer, Seattle, WA          67.228.112.250          981KB/s       
Softlayer, Frankfurt, DE        159.122.69.4            386KB/s       
Softlayer, Singapore, SG        119.81.28.170           337KB/s       
Softlayer, HongKong, CN         119.81.130.170          290KB/s   

上面可以看出来，网速慢的有点厉害…

注意事项

上面的优惠码为首年减少1美元，下单的时候注意使用，除了新发套餐外，之前的优惠套餐也仍有货在售状态，详情可以在官网查找，PacificRack支持使用PayPal、支付宝或者信用卡等付款方式，机房自营，QN机房在多年前就叫做PR机房，商家有中文销售客服人员。