php-fpm7.0 慢查询设定及注明

root@ubuntu:/home/tb# cat /etc/issue
Ubuntu 16.04.2 LTS \n \l
root@ubuntu:/home/tb# php -v
PHP 7.0.15-0ubuntu0.16.04.4 (cli) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.0.15-0ubuntu0.16.04.4, Copyright (c) 1999-2017, by Zend Technologies

查看php-fpm配置途径

root@ubuntu:/home/tb# ps -ef |grep fpm
root      1642     1  0 10:17 ?        00:00:01 php-fpm: master process (/etc/php/7.0/fpm/php-fpm.conf)
www-data  3685  1642  0 17:14 ?        00:00:04 php-fpm: pool www
www-data  3686  1642  0 17:14 ?        00:00:03 php-fpm: pool www
www-data  3808  1642  0 17:43 ?        00:00:03 php-fpm: pool www
root      3930  2208  0 18:10 pts/0    00:00:00 grep --color=auto fpm
root@ubuntu:/home/tb#

php-fpm.conf的最后一行动

include=/etc/php/7.0/fpm/pool.d/*.conf

那我们去那里改www.conf，查看关于慢查询的介绍

314 ; The log file for slow requests
315 ; Default Value: not set
316 ; Note: slowlog is mandatory if request_slowlog_timeout is set
317 ;slowlog = log/$pool.log.slow
318
319 ; The timeout for serving a single request after which a PHP backtrace will be
320 ; dumped to the 'slowlog' file. A value of '0s' means 'off'.
321 ; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
322 ; Default Value: 0
323 ;request_slowlog_timeout = 0

增加两行配置

slowlog=/var/log/php7.0/fpm/slow.log
request_slowlog_timeout=1s

重新启动fpm，同时留意名目权限等一样问题

service php7.0-fpm reload

查看log回显结果

[03-Jan-2018 18:48:53]  [pool www] pid 4934
script_filename = /usr/share/nginx/ testapp/index.php
[0x00007fb626213520] session_start() /usr/share/nginx/ testapp/app/models/user_model.php:11
[0x00007fb6262134a0] __construct() /usr/share/nginx/ci_2.2.0/core/Loader.php:303
[0x00007fb626213390] model() /usr/share/nginx/ testapp/app/core/my_Controller.php:39
[0x00007fb6262132e0] __construct() /usr/share/nginx/ testapp/app/controllers/home.php:8
[0x00007fb626213270] __construct() /usr/share/nginx/ci_2.2.0/core/CodeIgniter.php:308
[0x00007fb6262130e0] [INCLUDE_OR_EVAL]() /usr/share/nginx/ testapp/index.php:325
[03-Jan-2018 18:48:53]  [pool www] pid 4931
script_filename = /usr/share/nginx/ testapp/index.php
[0x00007fb626213520] session_start() /usr/share/nginx/ testapp/app/models/user_model.php:11
[0x00007fb6262134a0] __construct() /usr/share/nginx/ci_2.2.0/core/Loader.php:303
[0x00007fb626213390] model() /usr/share/nginx/ testapp/app/core/my_Controller.php:39
[0x00007fb6262132e0] __construct() /usr/share/nginx/ testapp/app/controllers/home.php:8
[0x00007fb626213270] __construct() /usr/share/nginx/ci_2.2.0/core/CodeIgniter.php:308
[0x00007fb6262130e0] [INCLUDE_OR_EVAL]() /usr/share/nginx/ testapp/index.php:325

关于log的说明

[03-Jan-2018 18:48:53]  [pool www] pid 4931

这个没啥说明，时间进程id

script_filename = /usr/share/nginx/ testapp/index.php

施行足本名称，php web利用都为单入口

[0x00007fb626213520] session_start() /usr/share/nginx/ testapp/app/models/user_model.php:11

这个第三行比力重要：是堆栈顶部信息（is the top of the stack trace），他说明指出了超出了阈值的当前施行的办法的函数调取是哪个，乃至详细的文件及代码行数

剩下的其他部分就是 调取的次序（从下往上，终究致使变慢超时的结果）

其他说明

假如发明第三行是以相似curl_exec()，比方：这一样是网络io占用了时间，假如是必需恳求第三方，那么。。忍吧。

[0x00007fb6262136f0] curl_exec() /usr/share/nginx/

一样，假如有mysql_query之类的，也是由于sql 慢查询致使的

相关引荐：《PHP教程》

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