nginx-upsync-module – Nginx C module, syncing upstreams from consul or others, dynamically adjusting backend servers weight

“It may not always be convenient to modify configuration files and restart NGINX. For example, if you are experiencing large amounts of traffic and high load, restarting NGINX and reloading the configuration at that point further increases load on the system and can temporarily degrade performance.

The module can be more smoothly expansion and constriction, and will not influence the performance…”