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= 常识= Supervisor(http://supervisord.org/)是用Python开发的一个client/server服务,是Linux/Unix系统下的一个进程管理工具,不支持Windows系统。它可以很方便的监听、启动、停止、重启一个或多个进程。用Supervisor管理的进程,当一个进程意外被杀死,supervisort监听到进程死后,会自动将它重新拉起,很方便的做到进程自动恢复的功能,不再需要自己写shell脚本来控制 =一些常用配置= <pre> minprocs=200 ;可以打开的进程数的最小值,默认 200 </pre> =常用命令= <pre> #只重启特定的任务 supervisorctl restart chat-im-message: client-user-connection: room-statistic-event: robot-comment: robot-praise: </pre> =lx= <pre> ss [program:policy-renewal-s] process_name=%(program_name)s_%(process_num)02d directory=e/server/ab.com command=php artisan policy*renewal@queue:handle autostart=true autorestart=true user=apache numprocs=1 redirect_stderr=true stdout_logfile=/var/log/supervisor/e.log #LXTX php-worker]# cat supervisord.conf [supervisord] logfile=/tmp/supervisord.log ; main log file; default $CWD/supervisord.log logfile_maxbytes=50MB ; max main logfile bytes b4 rotation; default 50MB logfile_backups=10 ; # of main logfile backups; 0 means none, default 10 loglevel=debug ; log level; default info; others: debug,warn,trace pidfile=/tmp/supervisord.pid ; supervisord pidfile; default supervisord.pid22 nodaemon=true user=www-data [supervisorctl] [inet_http_server] port = *:9001 #username="yourusername" #password="yourpass" [rpcinterface:supervisor] supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface [include] files = /var/www/api.sns.cai.com/supervisord.d/production1.*.conf /var/www/apistatistical.cai.com/supervise/production1.*.conf #from laradock tree supervisord.d/ supervisord.d/ ├── laravel-worker.conf.example └── monitor-mail.conf </pre> =以tomcat 举例= <pre> Tomcat进程的一个例子: [program:tomcat] command=/opt/apache-tomcat-8.0.35/bin/catalina.sh run stdout_logfile=/opt/apache-tomcat-8.0.35/logs/catalina.out autostart=true autorestart=true startsecs=5 priority=1 stopasgroup=true killasgroup=true bash终端 supervisorctl status supervisorctl stop tomcat supervisorctl start tomcat supervisorctl restart tomcat supervisorctl reread supervisorctl update 查看单个任务状态: supervisorctl status 服务名 开机启动Supervisor服务 7.1 配置systemctl服务 1> 进入/lib/systemd/system目录,并创建supervisor.service文件 [Unit] Description=supervisor After=network.target [Service] Type=forking ExecStart=/usr/bin/supervisord -c /etc/supervisor/supervisord.conf ExecStop=/usr/bin/supervisorctl $OPTIONS shutdown ExecReload=/usr/bin/supervisorctl $OPTIONS reload KillMode=process Restart=on-failure RestartSec=42s [Install] WantedBy=multi-user.target 2> 设置开机启动 systemctl enable supervisor.service systemctl daemon-reload 3、修改文件权限为766 chmod 766 supervisor.service </pre> =trouble shooting= 求助!supervisord 报错 FATAL Exited too quickly (process log may have details) entered FATAL state, too many start retries too quickly 我 user 改成 root 之后可以了 supervisor 比较适合监控业务应用,且只能监控前台程序,php fork方式实现的daemon不能用它监控,否则supervisor> status 会提示:BACKOFF Exited too quickly (process log may have details) =see also= [https://zhuanlan.zhihu.com/p/29145108 Supervisor是一枚大坑] [http://www.xiaoxiaoguo.cn/python/supervisor-notice.html # 关于supervisor要注意的点] [https://zhuanlan.zhihu.com/p/98097523?from_voters_page=true supervisor入门] [https://blog.csdn.net/xyang81/article/details/51555473 Supervisor安装与配置(Linux/Unix进程管理工具)] [https://www.cnblogs.com/phonecom/p/10833697.html good Exited too quickly (process log may have details)-配置问题 ] [https://www.jianshu.com/p/f8735b039c67 supervisor常用命令] [https://www.cnblogs.com/xueweihan/p/6195824.html supervisor 安装、配置、常用命令] [https://www.cnblogs.com/xueweihan/p/6195824.html supervisor 安装、配置、常用命令 ] [https://www.jianshu.com/p/0b9054b33db3 Supervisor使用详解] [https://blog.csdn.net/shuyun123456789/article/details/51153961 Supervisor重新加载配置启动新的进程] [https://www.jianshu.com/p/0226b7c59ae2 Supervisor的作用与配置] [https://www.cnblogs.com/jasonkoo/articles/3750638.html supervisord简介,配置及使用] [https://www.liaoxuefeng.com/article/895919885120064 Linux后台进程管理利器:supervisor] [https://imwz.io/run-horizon-by-supervisord-in-laradock/ Run Horizon by Supervisord in Laradock] [https://blog.csdn.net/weixin_43343144/article/details/97688485 非常重要】运行supervisorctl错误提示【FATAL或BACKOFF 】Exited too quickly (process log may have details)问题总结] [https://www.jianshu.com/p/9abffc905645 supervisor初体验] [https://www.cnblogs.com/zzqit/p/10107195.html 使用supervisor管理后台进程 ] [[category:ops]]
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