记一次laravel项目因opcache导致的include过慢问题
问题表现 php-fpm-slow.log 大量如下日志:
script_filename = /data/nginx/webroot/app-20200611-160330-feb90625/public/index. php [0x00007fc41e61da20] Composer\Autoload\includeFile() /data/nginx/webroot/app-202 00611-160330-feb90625/vendor/composer/ClassLoader.php:322 [0x00007fc41e61d980] loadClass() unknown:0 [0x00007fc41e61d920] spl_autoload_call() unknown:0 [0x00007ffdb62f6820] ???() /data/nginx/webroot/app-20200611-160330-feb90625/vend or/laravel/lumen-framework/src/Exceptions/Handler.php:108 [0x00007fc41e61d630] render() /data/nginx/webroot/app-20200611-160330-feb90625/a pp/Exceptions/Handler.php:51 [0x00007fc41e61d5b0] render() /data/nginx/webroot/app-20200611-160330-feb90625/v endor/laravel/lumen-framework/src/Concerns/RegistersExceptionHandlers.php:105 [0x00007fc41e61d4b0] sendExceptionToHandler() /data/nginx/webroot/app-20200611-1 60330-feb90625/vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php:17 3 [0x00007fc41e61d1c0] dispatch() /data/nginx/webroot/app-20200611-160330-feb90625 /vendor/laravel/lumen-framework/src/Concerns/RoutesRequests.php:108 [0x00007fc41e61d0c0] run() /data/nginx/webroot/app-20200611-160330-feb90625/publ ic/index.php:28 [11-Jun-2020 16:04:24] [pool www] pid 25856
查看源代码,发现就是include过慢???
public function loadClass($class) { if ($file = $this->findFile($class)) { includeFile($file); return true; } } function includeFile($file) { include $file; }
怀疑是IO的问题,查看IO的使用情况参考:https://www.phpmianshi.com/?id=114
sar -b -f /var/log/sa11 06:20:01 PM tps rtps wtps bread/s bwrtn/s 08:50:01 PM 3.44 0.00 3.44 0.01 306.01 09:00:03 PM 5.35 0.40 4.95 4.73 517.89 09:10:01 PM 23.73 15.86 7.87 207.76 799.36 09:20:03 PM 24.03 15.24 8.79 194.55 1147.58 09:30:01 PM 120.86 117.67 3.19 19941.43 164.30 09:40:01 PM 16.58 12.96 3.62 277.86 362.99 09:50:01 PM 5.43 2.55 2.88 1786.32 380.44
发现9:30左右bread/s 非常大,怀疑由于jenkins上线过多,而且没有重新reload php-fpm导致 opcache 内存或者缓存文件数达到上线导致的include慢
于是重启 php-fpm 发现状态恢复正常。
我们再打开 php.ini 的opcache.error_log 观察后面是否会继续出现这种情况。
opcache.error_log = /data/nginx/logs/php_opcache_error.log