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I am trying to configure Highly scalable HiveMQ broker(commercial edition) on ubuntu. I have 3 servers: server A, server B and Server C. On Server A Ha-proxy is configured For Load balancing. On server B mosquito broker is configured. On server C mosquito broker is configured. Server B and C have subscribed to HA proxy (server A).

My concern is that when the messages coming from client got high at some point a single broker can not handle that many messages at a time.

I just want when client publishes message higher than the limit then one more hiveMq broker gets started by itself and work as the other node. the same message should not be written on both brokers. like Auto-scaling in AWS.

Neha Kashyap
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    Your question is not clear need more details to understand pls read this https://stackoverflow.com/help/how-to-ask – Ajay Pandya Jul 15 '19 at 07:20
  • @AjayPandya edited you can ask if there is some part missing u want to know about. – Neha Kashyap Jul 15 '19 at 08:00
  • What research have you already done and what have you tried? – hardillb Jul 15 '19 at 08:16
  • I tried to change haproxy.conf file, here is changed parameters "# Listen to all MQTT requests (port 1883) listen mqtt # MQTT binding to port 1883 bind *:1883 # communication mode (MQTT works on top of TCP) mode tcp option tcplog # balance mode (to choose which MQTT server to use) balance leastconn # MQTT server 1 server mosca_1 178.62.122.204:1883 check # MQTT server 2 server mosca_2 178.62.104.172:1883 check" – Neha Kashyap Jul 19 '19 at 06:47
  • when I am senging request to ha proxy message is coming to only one machine – Neha Kashyap Jul 19 '19 at 06:49

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