在现代化 PHP 高级开发中，Swoole 为 PHP 带来了更多可能，如：常驻内存、协程，关于传统的 Apache/FPM 模式与常驻内存模式(同步)的巨大差异，之前我做过测试，大家能直观的感受到性能的巨大提升，但是协程到来后，又带来了多少性能的提升呢？提升的又是哪方面的性能？下面逐步测试一下。

传统的 Apache/FPM 模式与常驻内存模式(同步)的测试文章：
MixPHP 并发性能全面对比测试

协程的优势

协程模式与常驻内存模式(同步)/传统模式相比：

常驻模式/传统模式都属于同步阻塞编程，由于同一个进程不能并行处理请求，所以为了提高并发，只能开启更多的进程，通常超过 100 甚至更多，每个进程都有基础的内存消耗，加起来就很多了，而且受限于 Linux 总进程数限制，并发总数无法突破，加上进程非常多之后，CPU 需要更多的线程切换，浪费了很多性能，当然相比 FPM 的传统模式每次都需从头开始，常驻模式还是要好非常多的，但是协程显然更加优秀。

协程模式的执行方式：

协程模式中一个进程可以同时执行 N 个请求，但同一时刻只执行其中的某一个请求，也就是说，当执行到 MySQL/Redis 这些客户端时，由于需要等待客户端响应，常驻模式/传统模式通常是在傻傻的等待响应，而协程这个时候会挂起当前协程，切换到其他协程中去处理其他请求，所以协程能同时处理 N 个请求，每增加一个请求只需增加一些内存消耗，相比增加一个进程的内存消耗，显然是少太多的，由于协程能并行处理，所以通常只需配置于 CPU 数量 1～2 倍左右的进程数即可，更少的进程带来更少的 CPU 线程切换，又减少很多性能损耗。

开始测试

MixPHP 是一个基于 Swoole 的FPM、常驻内存、协程三模 PHP 高性能框架，由于该框架同时具备常驻内存模式、协程模式，所以能很方便的测试结果。

测试环境：

docker 容器，限制只能使用 1 CPU。

其他参数如下：

```Server Name: mix-httpd
Framework Version: 1.1.0-RC
PHP Version: 7.2.9
Swoole Version: 4.1.0
Listen Addr: 127.0.0.1
Listen Port: 9501
```

代码：

模拟常用的 HTTP 开发需求，执行三个 SQL 请求。



// 默认动作

public function actionIndex()

{

    PDO::createCommand("select * from `test` where id = 1")->queryOne();

    PDO::createCommand("select * from `test` where id = 2")->queryOne();

    return PDO::createCommand("select * from `test` limit 5")->queryAll();

}

测试结果

常驻内存模式(同步)：

进程数 并发数 RPS
8 100 838.65
8 300 683.78
8 500 688.56
50 100 770.69
50 300 304.90
50 300 378.95

协程模式：

进程数 并发数 RPS
8 100 834.12
8 300 837.50
8 500 824.14

协程在本次测试中并没有像之前的传统 Apache/FPM 模式与常驻内存模式(同步)的测试一样展现出巨大的性能提升，说明：

  • 在少量能快速响应的 SQL 请求中，协程的提升并不明显，应该要在响应时间更大时，才能感受到协程优势。
  • 常驻内存模式的进程数配置过多，并发性能反而会降低，该问题同样适用于传统 Apache/FPM 模式。

常驻内存模式(同步)详细测试

首先 8 个 Worker 进程，并发 100 测试，RPS 为 838.65。



C:\Users\EDZ>ab -n 10000 -c 100 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      100

Time taken for tests:   11.924 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    838.65 [#/sec] (mean)

Time per request:       119.239 [ms] (mean)

Time per request:       1.192 [ms] (mean, across all concurrent requests)

Transfer rate:          217.85 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    0   0.2      0       4

Processing:    20  118  18.3    118     195

Waiting:       19  118  18.4    118     195

Total:         20  118  18.4    119     195

Percentage of the requests served within a certain time (ms)

  50%    119

  66%    126

  75%    130

  80%    133

  90%    141

  95%    147

  98%    155

  99%    161

 100%    195 (longest request)

然后使用 8 个 Worker 进程，并发 300 测试，RPS 为 683.78。



C:\Users\EDZ>ab -n 10000 -c 300 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      300

Time taken for tests:   14.624 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    683.78 [#/sec] (mean)

Time per request:       438.735 [ms] (mean)

Time per request:       1.462 [ms] (mean, across all concurrent requests)

Transfer rate:          177.62 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    0  30.0      0    3000

Processing:    62  432 493.4    354    3457

Waiting:       54  431 488.1    354    3455

Total:         62  433 494.1    354    3457

Percentage of the requests served within a certain time (ms)

  50%    354

  66%    373

  75%    385

  80%    392

  90%    411

  95%    432

  98%   3170

  99%   3266

 100%   3457 (longest request)

然后使用 8 个 Worker 进程，并发 500 测试，RPS 为 688.56。



C:\Users\EDZ>ab -n 10000 -c 500 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      500

Time taken for tests:   14.523 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    688.56 [#/sec] (mean)

Time per request:       726.150 [ms] (mean)

Time per request:       1.452 [ms] (mean, across all concurrent requests)

Transfer rate:          178.87 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    0  30.0      0    3000

Processing:   102  707 618.4    596    3632

Waiting:       89  703 605.6    595    3629

Total:        102  707 618.9    596    3633

Percentage of the requests served within a certain time (ms)

  50%    596

  66%    620

  75%    635

  80%    645

  90%    679

  95%   3125

  98%   3401

  99%   3495

 100%   3633 (longest request)

现在调整为 50 进程，100 并发测试，RPS 为 770.69。
进程的增加并没有带来并发量的提升。



C:\Users\EDZ>ab -n 10000 -c 100 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      100

Time taken for tests:   12.975 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    770.69 [#/sec] (mean)

Time per request:       129.754 [ms] (mean)

Time per request:       1.298 [ms] (mean, across all concurrent requests)

Transfer rate:          200.20 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    1  42.4      0    3000

Processing:    10  128 499.8     56    7137

Waiting:       10  127 495.8     55    7137

Total:         11  129 503.3     56    7137

Percentage of the requests served within a certain time (ms)

  50%     56

  66%     72

  75%     86

  80%     97

  90%    133

  95%    179

  98%    312

  99%   3052

 100%   7137 (longest request)

50 进程，300 并发测试，RPS 为 304.90。
对比 8 个进程时的结果，并发量降低非常明显，看来进程数过多并不能提升性能，反而会降低性能。



C:\Users\EDZ>ab -n 10000 -c 300 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      300

Time taken for tests:   32.798 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    304.90 [#/sec] (mean)

Time per request:       983.942 [ms] (mean)

Time per request:       3.280 [ms] (mean, across all concurrent requests)

Transfer rate:          79.20 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    3  90.0      0    3001

Processing:    25  976 1339.8    189    3694

Waiting:       23  954 1316.5    188    3691

Total:         25  979 1341.0    189    3694

Percentage of the requests served within a certain time (ms)

  50%    189

  66%    289

  75%   3094

  80%   3113

  90%   3184

  95%   3249

  98%   3315

  99%   3375

 100%   3694 (longest request)

50 进程，500 并发测试，RPS 为 378.95。



C:\Users\EDZ>ab -n 10000 -c 500 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      500

Time taken for tests:   26.389 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    378.95 [#/sec] (mean)

Time per request:       1319.431 [ms] (mean)

Time per request:       2.639 [ms] (mean, across all concurrent requests)

Transfer rate:          98.44 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    2  79.4      0    3001

Processing:    64 1306 1434.7    341    3962

Waiting:       17 1224 1391.4    321    3959

Total:         65 1308 1435.2    342    3963

Percentage of the requests served within a certain time (ms)

  50%    342

  66%   3142

  75%   3168

  80%   3195

  90%   3292

  95%   3374

  98%   3467

  99%   3516

 100%   3963 (longest request)

协程模式详细测试

首先 8 个 Worker 进程，并发 100 测试，RPS 为 834.12。



C:\Users\EDZ>ab -n 10000 -c 100 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      100

Time taken for tests:   11.989 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    834.12 [#/sec] (mean)

Time per request:       119.886 [ms] (mean)

Time per request:       1.199 [ms] (mean, across all concurrent requests)

Transfer rate:          216.68 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    0   0.3      0       4

Processing:    84  119   9.8    122     165

Waiting:       84  119   9.8    122     164

Total:         84  119   9.8    123     165

Percentage of the requests served within a certain time (ms)

  50%    123

  66%    124

  75%    125

  80%    125

  90%    126

  95%    128

  98%    131

  99%    137

 100%    165 (longest request)

然后使用 8 个 Worker 进程，并发 300 测试，RPS 为 837.50。



C:\Users\EDZ>ab -n 10000 -c 300 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      300

Time taken for tests:   11.940 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    837.50 [#/sec] (mean)

Time per request:       358.207 [ms] (mean)

Time per request:       1.194 [ms] (mean, across all concurrent requests)

Transfer rate:          217.55 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    1  42.4      0    3001

Processing:    86  354 1043.0    161    7172

Waiting:       86  344 1011.9    160    7172

Total:         86  355 1044.5    161    7172

Percentage of the requests served within a certain time (ms)

  50%    161

  66%    182

  75%    199

  80%    212

  90%    251

  95%    302

  98%   6103

  99%   6135

 100%   7172 (longest request)

然后使用 8 个 Worker 进程，并发 500 测试，RPS 为 824.14。



C:\Users\EDZ>ab -n 10000 -c 500 http://www.a.com/

This is ApacheBench, Version 2.3 <$Revision: 1757674 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking www.a.com (be patient)

Completed 1000 requests

Completed 2000 requests

Completed 3000 requests

Completed 4000 requests

Completed 5000 requests

Completed 6000 requests

Completed 7000 requests

Completed 8000 requests

Completed 9000 requests

Completed 10000 requests

Finished 10000 requests

Server Software:        nginx/1.13.9

Server Hostname:        www.a.com

Server Port:            80

Document Path:          /

Document Length:        101 bytes

Concurrency Level:      500

Time taken for tests:   12.134 seconds

Complete requests:      10000

Failed requests:        0

Total transferred:      2660000 bytes

HTML transferred:       1010000 bytes

Requests per second:    824.14 [#/sec] (mean)

Time per request:       606.690 [ms] (mean)

Time per request:       1.213 [ms] (mean, across all concurrent requests)

Transfer rate:          214.08 [Kbytes/sec] received

Connection Times (ms)

              min  mean[+/-sd] median   max

Connect:        0    0   0.3      0       4

Processing:    92  332 585.3    198    6931

Waiting:       91  331 585.5    196    6931

Total:         92  332 585.3    198    6931

Percentage of the requests served within a certain time (ms)

  50%    198

  66%    242

  75%    284

  80%    334

  90%    587

  95%    932

  98%   1216

  99%   2390

 100%   6931 (longest request)

MixPHP

GitHub: https://github.com/mixstart/m...
官网：http://www.mixphp.cn/

原文地址：https://segmentfault.com/a/1190000016383096

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