MQTT: Broker miscellaneous information
This check measures miscellaneous information of a MQTT broker instance. It
displays the total number of subscriptions active on the broker and the socket
To make this check work you have to configure the special agent
which connects via MQTT to the broker to gather information from the
This check has been developed with Mosquitto message broker but might also work
with other brokers. The available values vary from broker to broker and from
version to version.
Please note that this check may only be useful if you connect it directly to a
broker. In case you want to monitor a multi-tentant cluster, this check is
only useful if configure it for each node since the
$SYS/ topic is is node
specific. It is not useful to use this check through a load balancer.
The check is always
The instance ID configured in the special agent.
One service is created for each instance.