PHP開啟opcache提升代碼性能
APC在PHP5.4及以下版本是性能最好的代碼緩存。不過PHP升級到5.5及以上后，APC不再有效。需要使用Zend的OpCache擴展。
配置指令如下：
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1 2 3 4 5 6實際性能對比：
下面是實際測試中沒有開啟opcache的數(shù)據(jù)：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 [[email protected] ~]# ab -n 10000 -c 200 "http://112.126.69.14/main.php?a=Role&m=createRole" This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking 112.126.69.14 (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: openresty/1.7.2.1 Server Hostname: 112.126.69.14 Server Port: 80 Document Path: /main.php?a=Role&m=createRole Document Length: 2 bytes Concurrency Level: 200 Time taken for tests: 26.061 seconds Complete requests: 10000 Failed requests: 20 (Connect: 0, Receive: 0, Length: 20, Exceptions: 0) Write errors: 0 Non-2xx responses: 20 Total transferred: 1713580 bytes HTML transferred: 23520 bytes Requests per second: 383.72 [#/sec] (mean) Time per request: 521.216 [ms] (mean) Time per request: 2.606 [ms] (mean, across all concurrent requests) Transfer rate: 64.21 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 2 3 3.2 2 60 Processing: 17 461 905.0 219 16496 Waiting: 17 461 904.9 219 16496 Total: 21 464 905.0 222 16502 Percentage of the requests served within a certain time (ms) 50% 222 66% 271 75% 369 80% 412 90% 805 95% 1248 98% 2597 99% 3489 100% 16502 (longest request)新聞熱點
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