Too Long; Didn't Read
NGINX is built on a non-blocking, event-driven architecture. It has one primary process, several worker_processes, and two cache management processes. Nginx allows you to update the server configuration without losing connections, idle resources, or interrupting client service. It is a good practice to apply settings without restarting the service, i.e. This does not terminate current connections and eliminates the waiting period when loading the service. Check the correctness of the written configuration before applying it.