為了驗證下 openresty 官網所說的比 nginx+php-fpm 的吞吐量要高，因此做了以下測試，本次測試伺服器硬體配置如下:

Dell latitude 3330

CPU: 4 core  Intel(R) Core(TM) i5-3337U CPU @ 1.80GHz

MEM: 8GB

本次測試兩種架構下，伺服器都發送 "Hello,world!" 這一字串。

1. 100併發，50k請求

以下為 openresty 的壓測結果

➜  ~ ab -c 100 -n 50000 -q http://192.168.8.156:8090/
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 192.168.8.156 (be patient).....done


Server Software:        openresty/1.13.6.2
Server Hostname:        192.168.8.156
Server Port:            8090

Document Path:          /
Document Length:        20 bytes

Concurrency Level:      100
Time taken for tests:   2.743 seconds
Complete requests:      50000
Failed requests:        0
Total transferred:      8400000 bytes
HTML transferred:       1000000 bytes
Requests per second:    18226.60 [#/sec] (mean)
Time per request:       5.486 [ms] (mean)
Time per request:       0.055 [ms] (mean, across all concurrent requests)
Transfer rate:          2990.30 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        1    2   0.6      2       5
Processing:     1    3   0.7      3      10
Waiting:        1    2   0.6      2      10
Total:          4    5   0.5      5      15

Percentage of the requests served within a certain time (ms)
  50%      5
  66%      6
  75%      6
  80%      6
  90%      6
  95%      6
  98%      6
  99%      7
 100%     15 (longest request)
 

以下為 nginx+php7.0-fpm 的壓測結果

➜  ~ ab -c 100 -n 50000 -q http://192.168.8.156:8080/test.php
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 192.168.8.156 (be patient).....done


Server Software:        nginx/1.15.3
Server Hostname:        192.168.8.156
Server Port:            8080

Document Path:          /test.php
Document Length:        13 bytes

Concurrency Level:      100
Time taken for tests:   3.380 seconds
Complete requests:      50000
Failed requests:        0
Total transferred:      7500000 bytes
HTML transferred:       650000 bytes
Requests per second:    14791.25 [#/sec] (mean)
Time per request:       6.761 [ms] (mean)
Time per request:       0.068 [ms] (mean, across all concurrent requests)
Transfer rate:          2166.69 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.6      0       5
Processing:     2    6   1.2      6      14
Waiting:        1    6   1.3      6      14
Total:          4    7   1.1      6      15
WARNING: The median and mean for the initial connection time are not within a normal deviation
        These results are probably not that reliable.

Percentage of the requests served within a certain time (ms)
  50%      6
  66%      7
  75%      7
  80%      8
  90%      8
  95%      9
  98%     10
  99%     11
 100%     15 (longest request)
 

2. 1k併發，50k請求

以下為 openresty 的壓測結果

➜  ~ ab -c 1000 -n 50000 -q http://192.168.8.156:8090/       
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 192.168.8.156 (be patient).....done


Server Software:        openresty/1.13.6.2
Server Hostname:        192.168.8.156
Server Port:            8090

Document Path:          /
Document Length:        20 bytes

Concurrency Level:      1000
Time taken for tests:   3.445 seconds
Complete requests:      50000
Failed requests:        0
Total transferred:      8400000 bytes
HTML transferred:       1000000 bytes
Requests per second:    14514.61 [#/sec] (mean)
Time per request:       68.896 [ms] (mean)
Time per request:       0.069 [ms] (mean, across all concurrent requests)
Transfer rate:          2381.30 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:       10   24  22.2     23    1030
Processing:     7   35  30.5     33     772
Waiting:        5   27  30.7     25     771
Total:         27   58  37.1     57    1057

Percentage of the requests served within a certain time (ms)
  50%     57
  66%     60
  75%     61
  80%     62
  90%     63
  95%     64
  98%     67
  99%     75
 100%   1057 (longest request)
 

以下為 nginx+php7.0-fpm 的壓測結果

➜  ~ ab -c 1000 -n 50000 -q http://192.168.8.156:8080/test.php
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 192.168.8.156 (be patient).....done


Server Software:        nginx/1.15.3
Server Hostname:        192.168.8.156
Server Port:            8080

Document Path:          /test.php
Document Length:        13 bytes

Concurrency Level:      1000
Time taken for tests:   5.165 seconds
Complete requests:      50000
Failed requests:        14407
   (Connect: 0, Receive: 0, Length: 14407, Exceptions: 0)
Non-2xx responses:      14407
Total transferred:      14962826 bytes
HTML transferred:       7579767 bytes
Requests per second:    9680.80 [#/sec] (mean)
Time per request:       103.297 [ms] (mean)
Time per request:       0.103 [ms] (mean, across all concurrent requests)
Transfer rate:          2829.14 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        7   28 114.9     14    1043
Processing:     7   34  64.3     23    2021
Waiting:        7   31  64.2     20    2021
Total:         14   62 133.9     37    3028

Percentage of the requests served within a certain time (ms)
  50%     37
  66%     42
  75%     46
  80%     48
  90%     57
  95%     72
  98%    387
  99%   1034
 100%   3028 (longest request)

3. 總結

以上資料對比格式為： openresty/nginx+php7.0-fpm

從上面對比情況可以看出，openresty 在併發情況下吞吐量的確要比 nginx+php7.0-fpm 高。