emqx4.3/doc/broker.md

Broker Topics

Version

$SYS/broker/version

Uptime

$SYS/broker/uptime

Recevied and Sent

$SYS/broker/bytes/received $SYS/broker/bytes/sent

$SYS/broker/packets/received $SYS/broker/packets/sent

$SYS/broker/messages/received $SYS/broker/messages/sent $SYS/broker/messages/retained $SYS/broker/messages/stored $SYS/broker/messages/dropped

Client Presence

$SYS/broker/clients/connected $SYS/broker/clients/disconnected

$SYS/broker/clients/${clientId}/presences/online $SYS/broker/clients/${clientId}presences/offline