分类: nginx

启用 php-fpm 的 slow log 日志

[ 2014-05-26 09:48:50 | 作者: admin ]
字号: 大 | 中 | 小
前段时间折腾了一下 分析Centos系统下LNMP频繁502 Bad Gateway问题，但仍有漏网之鱼导致网站偶尔的 502 Bad Gateway，今天再折腾一下，启用 php-fpm 的 slow log 日志，查看执行时间过长的php文件，并将执行时间过长的进程直接终止掉！看看效果如何！

具体操作方法也简单，就修改一个文件，执行命令：# vi /usr/local/php/etc/php-fpm.conf

PHP 5.3.3 之前版本设置如下：
             The timeout (in seconds) for serving a single request after which the worker process will be terminated
             Should be used when 'max_execution_time' ini option does not stop script execution for some reason
             '0s' means 'off'
             <value name="request_terminate_timeout">10s</value>
             The timeout (in seconds) for serving of single request after which a php backtrace will be dumped to slow.log file
             '0s' means 'off'
             <value name="request_slowlog_timeout">1s</value>
             The log file for slow requests
             <value name="slowlog">logs/slow.log</value>


PHP 5.3.3 之后版本设置如下：

; The timeout for serving a single request after which a PHP backtrace will be
; dumped to the 'slowlog' file. A value of '0s' means 'off'.
; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
; Default Value: 0
request_slowlog_timeout = 1s

; The log file for slow requests
; Default Value: /usr/local/php/log/php-fpm.log.slow
slowlog = /usr/local/php/log/php-fpm.log.slow

; The timeout for serving a single request after which the worker process will
; be killed. This option should be used when the 'max_execution_time' ini option
; does not stop script execution for some reason. A value of '0' means 'off'.
; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
; Default Value: 0
request_terminate_timeout = 10s

注：
request_terminate_timeout 将执行时间太长的进程直接终止
request_slowlog_timeout 将执行过慢的文件写入日志
以后即可根据慢执行日志 /usr/local/php/logs/slow.log 来优化程序文件了！
[最后修改由 admin， 于 2014-05-26 09:50:47]
评论Feed 评论Feed: http://blog.xg98.com/feed.asp?q=comment&id=2199

这篇日志没有评论。

此日志不可发表评论。