Apache has an
gracefuloption that you can scan for modification on
http.confwithout restarting apache, what about nginx?
Nginx is compatible with the following signals:
TERM, INT - Quick shutdown QUIT - Graceful shutdown 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