啟用 php-fpm 的 slow log 日志，查看執(zhí)行時(shí)間過(guò)長(zhǎng)的php文件，并將執(zhí)行時(shí)間過(guò)長(zhǎng)的進(jìn)程直接終止掉！看看效果如何！

具體操作方法也簡(jiǎn)單，就修改一個(gè)文件，執(zhí)行命令：# vi /usr/local/php/etc/php-fpm.conf

PHP 5.3.3 之前版本設(shè)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 之后版本設(shè)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  (對(duì)執(zhí)行時(shí)間超過(guò)1s的php腳本進(jìn)行日志記錄)

; The log file for slow requests
; Default Value: /usr/local/php/var/log/php-fpm.log.slow
slowlog = /usr/local/php/var/log/php-fpm.log.slow (開(kāi)啟慢執(zhí)行日志，日志目錄路徑一定要正確存在，否則會(huì)報(bào)錯(cuò))

; 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 = 30s (當(dāng)php腳本執(zhí)行時(shí)間超過(guò)30秒后終止該php腳本)

注：request_terminate_timeout 將執(zhí)行時(shí)間太長(zhǎng)的進(jìn)程直接終止

request_slowlog_timeout 將執(zhí)行過(guò)慢的文件寫(xiě)入日志

以后即可根據(jù)慢執(zhí)行日志 /usr/local/php/var/log/slow.log 來(lái)優(yōu)化程序文件了！

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