Tags

Enterprise

• What’s the major difference between EMQX enterprise and broker?
• Does EMQX provide consulting service?

Update

• How to update EMQX license?

Protocol

• Can EMQX support customized protocols? How to implement?

Extends

• Can EMQX support customized protocols? How to implement?

Resource estimation

• How to estimate resource usage of EMQX?

Auth

• EMQX cannot connect to Mysql8.0

WebHook

• Can I capture device online and offline events? How to use it?
• What’s Hook? What’s the use scenario?

System Topic

• Can I capture device online and offline events? How to use it?
• What is the usage of system topics? What system topics are available?

Message Queue

• What’s mqueue? How to use mqueue in EMQX?

WebSocket

• What’s WebSocket? When to use Websocket to connect EMQX?

ACL

• I want to control topics can be used for specific clients, how to configure it in EMQX?

Pub/Sub

• What’s shared subscription, and it’s use scenario?

Shared Subscription

• What’s shared subscription, and it’s use scenario?

Rate Limit

• Can EMQX support traffic control?

Retain

• What is off-line message?

Subscription by Broker

• What is Subscription by Broker? And its use scenario?

Performance

• When I was executing stress test, the connection number and throughput are lower than expected. How can I tune the system to make full use of it?
• My connections number is small, do I still need to deploy multiple nodes in production?
• Use of ssl resumption session in EMQX

Persistence

• Can I forward MQTT messages EMQX to other MQTT broker, like RabbitMQ?

REAT API

• Can I disconnect an MQTT connection from EMQX server?

Dashboard

• Can I disconnect an MQTT connection from EMQX server?

Kafka

• Can EMQX forward messages to Kafka?
• I use Kafka bridge in EMQX enterprise, when will the MQTT Ack packet sent back to client? Is the time when message arriving EMQX or after getting Ack message from Kafka?

Bridge

• Can other MQTT broker (for example Mosquitto) forward messages to EMQX?-forward-messages-to-emq-x)

Cluster

• Does EMQX support cluster auto discovery? What clustering methods are supported?

RabbitMQ

• Can I forward MQTT messages EMQX to other MQTT broker, like RabbitMQ?

Cloud

• Can I forward messages from EMQX to MQTT services hosted on public cloud?

Mosquitto

• Can other MQTT broker (for example Mosquitto) forward messages to EMQX?-forward-messages-to-emq-x)

Trace

• What should I do if I want trace the subscription and publish of some particular message?

Debug

• When I was executing stress test, the connection number and throughput are lower than expected. How can I tune the system to make full use of it?
• How to troubleshoot if EMQX can’t start after installation?

TLS

• Does EMQX support encrypted connection? What is the recommended deployment?

MySQL

• EMQX cannot connect to Mysql8.0

Metrics

• MQTT client disconnect statistics