Nginx信号指令

常见 nginx 信号指令，官网文档

常见指令

TERM, INT	Quick shutdown
QUIT	Graceful shutdown
KILL	Halts a stubborn process
HUP	Configuration reload Start the new worker processes with a new configuration Gracefully shutdown the old worker processes
USR1	Reopen the log files
USR2	Upgrade Executable on the fly
WINCH	Gracefully shutdown the worker processes

Here’s how to send the QUIT (Graceful Shutdown) signal to the NGINX master process:

$ kill -QUIT $( cat /usr/local/nginx/logs/nginx.pid )