Dear all, I am the beginner with NGINX load balancing and i am facing with the problem. In detail, I set the upstream servers as the Mosquitto service which is running on port 6677 . There are 2 mosquitto servers in the upstream server. One is the master, the other is backup. After that,I run the command "kill -SIGSTOP PID" to hang the mosquitto service in the master server.by trinnm1991 - How to...