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Inotify 递归监控目录

inotify只能监控单层目录变化,不能监控子目录中的变化情况。所以只能遍历目录,将所有子目录添加入监控列表 当所监控目录超过8192时,导致too many open files, 两种解决方案:

1:

  • 需要更改下列文件数值大小:
  • /proc/sys/fs/inotify/max_user_watches
  • This specifies an upper limit on the number of watches that
  • can be created per real user ID. 但是这种方式在系统重启后会被重置为8192

2: [推荐]

  • vim /etc/sysctl.conf
  • 添加 fs.inotify.max_user_watches=[max_watch_number]

开机自启:

添加:

  • cp monitor_file_system.sh /etc/init.d
  • cd /etc/init.d
  • sudo update-rc.d monitor_file_system.sh defaults'

删除:

  • sudo update-rc.d -f monitor_file_system.sh remove

安装

  • sudo make
  • sudo make install

卸载

  • sudo make uninstall

使用:

  • service monitor_file_system { start | stop | restart | status }
  • /etc/init.d/monitor_file_system { start | stop | restart | status }

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