目前我安裝的Homestead 虛擬機器版本是2.1.8:
#該版本Homestead 上預先安裝的PHP 版本是5.6.15:
我們使用ab 指令(Apache 提供的效能測試工具)在這個版本中測試Laravel 應用程式(以目前正在講的使用Laravel開發的部落格應用為例)效能,我們模擬10000 次請求,100 個同時進行壓力測試:
ab -n 10000 -c 100 http://blog.app/
運行結果如下:
This is ApacheBench, Version 2.3 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking blog.app (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/1.8.0 Server Hostname: blog.app Server Port: 80 Document Path: / Document Length: 324 bytes Concurrency Level: 100 Time taken for tests: 69.354 seconds Complete requests: 10000 Failed requests: 0 Total transferred: 19851388 bytes HTML transferred: 10230000 bytes Requests per second: 144.19 [#/sec] (mean) Time per request: 693.545 [ms] (mean) Time per request: 6.935 [ms] (mean, across all concurrent requests) Transfer rate: 279.52 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 3 Processing: 17 684 319.1 588 2720 Waiting: 17 684 319.1 588 2720 Total: 20 684 319.1 588 2720 Percentage of the requests served within a certain time (ms) 50% 588 66% 695 75% 842 80% 933 90% 1155 95% 1321 98% 1545 99% 1813 100% 2720 (longest request)
這裡我們要關注的是紅色加粗的文字,即每秒處理請求數,這是衡量系統性能的關鍵指標。根據系統及硬體配置的差異,數據會有些出入。
現在我們按照「Laravel Homestead 支援 PHP 7 」這一節所述將 Homestead 中的 PHP 升級到 7.0 版本。
使用vagrant ssh 登入新新增的homestead-7 虛擬機,查看PHP 版本資訊是否正確:
此時在瀏覽器中存取http ://blog.app 會報錯,因為新安裝的Homestead 資料庫資料為空,需要登入虛擬機器運行如下命令運行遷移並填充資料:
php artisan migrate php artisan db:seed
再次訪問就OK了,好了我們繼續使用同樣的ab 指令進行壓力測試:
ab -n 10000 -c 100 http://blog.app/
運行結果如下:
This is ApacheBench, Version 2.3 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking blog.app (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/1.8.0 Server Hostname: blog.app Server Port: 80 Document Path: / Document Length: 324 bytes Concurrency Level: 100 Time taken for tests: 45.032 seconds Complete requests: 10000 Failed requests: 0 Total transferred: 20101202 bytes HTML transferred: 10230000 bytes Requests per second: 222.06 [#/sec] (mean) Time per request: 450.319 [ms] (mean) Time per request: 4.503 [ms] (mean, across all concurrent requests) Transfer rate: 435.91 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 4 Processing: 11 443 252.8 379 1978 Waiting: 11 443 252.8 379 1978 Total: 15 443 252.8 379 1978 Percentage of the requests served within a certain time (ms) 50% 379 66% 517 75% 590 80% 631 90% 795 95% 938 98% 1060 99% 1229 100% 1978 (longest request)
經過對比,同一個Laravel 應用在PHP 7.0 下的表現比PHP 5.6 提高了54%,這是一個很顯著的效能提升,當然環境不同資料會有所出入,而且還有更大的提升空間。
原文網址:https://xueyuanjun.com/post/2398
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