Graceful Reload Master Process Worker Process (old) Worker Process (old) Worker Process (new) Worker Process (new) SIGHUP SIGQUIT spawn 2015/3/12 Nginx Hacking Guide 16
Graceful Restart Master Process (old) Worker Process (old) Worker Process (old) Worker Process (new) Worker Process (new) SIGUSR2 SIGQUIT Master Process (new) exec SIGQUIT SIGQUIT 2015/3/12 Nginx Hacking Guide 17