虚拟机架设的网站是否需要开启BBR?

目前我的网站假设再虚拟机上,安装的centos7,没有开启bbr,给网站8核cpu,16G内存了,性能应该可以满足wordpress要求了,但还是觉得反应慢,看看是否与开启BBR有关?

未开启BBR,跑的bench.sh脚本

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 CPU Model             : Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz
 CPU Cores             : 8
 CPU Frequency         : 2394.454 MHz
 CPU Cache             : 20480 KB
 Total Disk            : 318.0 GB (6.5 GB Used)
 Total Mem             : 15866 MB (500 MB Used)
 Total Swap            : 2047 MB (0 MB Used)
 System uptime         : 0 days, 0 hour 5 min
 Load average          : 0.03, 0.09, 0.05
 OS                    : CentOS 7.8.2003
 Arch                  : x86_64 (64 Bit)
 Kernel                : 3.10.0-1127.18.2.el7.x86_64
 TCP CC                : cubic
 Virtualization        : VMware
 Organization          : AS4837 CHINA UNICOM China169 Backbone
 Location              : Shenyang / CN
 Region                : Liaoning
----------------------------------------------------------------------
 I/O Speed(1st run)    : 108 MB/s
 I/O Speed(2nd run)    : 2.2 GB/s
 I/O Speed(3rd run)    : 2.5 GB/s
 Average I/O speed     : 1640.3 MB/s
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 Node Name        Upload Speed      Download Speed      Latency
 Speedtest.net    13.68 Mbps        58.34 Mbps          2.73 ms
 Beijing    CU    5.63 Mbps         40.85 Mbps          17.50 ms
 Shanghai   CT    3.31 Mbps         36.28 Mbps          39.47 ms
 Shanghai   CU    3.54 Mbps         45.32 Mbps          29.13 ms
 Guangzhou  CT    3.80 Mbps         31.68 Mbps          54.15 ms
 Guangzhou  CU    2.94 Mbps         39.89 Mbps          47.88 ms
 Shenzhen   CM    2.57 Mbps         88.87 Mbps          48.68 ms
 Hongkong   CN    1.35 Mbps         1.99 Mbps           127.46 ms
 Singapore  SG    1.28 Mbps         2.81 Mbps           159.31 ms
 Tokyo      JP    1.50 Mbps         0.89 Mbps           156.47 ms
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开启BBR后,测试结果

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 CPU Model             : Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz
 CPU Cores             : 8
 CPU Frequency         : 2394.454 MHz
 CPU Cache             : 20480 KB
 Total Disk            : 318.0 GB (6.8 GB Used)
 Total Mem             : 15987 MB (391 MB Used)
 Total Swap            : 2047 MB (0 MB Used)
 System uptime         : 0 days, 0 hour 0 min
 Load average          : 0.80, 0.28, 0.10
 OS                    : CentOS 7.8.2003
 Arch                  : x86_64 (64 Bit)
 Kernel                : 5.8.1-1.el7.elrepo.x86_64
 TCP CC                : bbr
 Virtualization        : VMware
 Organization          : AS4837 CHINA UNICOM China169 Backbone
 Location              : Shenyang / CN
 Region                : Liaoning
----------------------------------------------------------------------
 I/O Speed(1st run)    : 238 MB/s
 I/O Speed(2nd run)    : 536 MB/s
 I/O Speed(3rd run)    : 514 MB/s
 Average I/O speed     : 429.3 MB/s
----------------------------------------------------------------------
 Node Name        Upload Speed      Download Speed      Latency
 Speedtest.net    82.50 Mbps        86.01 Mbps          1.80 ms
 Beijing    CU    83.64 Mbps        85.63 Mbps          18.32 ms
 Shanghai   CT    84.85 Mbps        85.59 Mbps          36.49 ms
 Shanghai   CU    85.07 Mbps        89.69 Mbps          27.57 ms
 Guangzhou  CT    12.45 Mbps        59.55 Mbps          45.85 ms
 Guangzhou  CU    86.69 Mbps        87.02 Mbps          48.24 ms
 Shenzhen   CM    85.15 Mbps        91.09 Mbps          51.09 ms
 Hongkong   CN    81.76 Mbps        2.63 Mbps           124.71 ms
 Singapore  SG    77.32 Mbps        1.58 Mbps           163.18 ms
 Tokyo      JP    72.05 Mbps        0.59 Mbps           148.21 ms
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