On the MQTT 5.0 Message Expiry Interval
There's a neat little feature in the MQTT 5.0 spec called Message Expiry (or Message Expiry Interval).
It has been explained many times on the internet already. It allows publishers to add an expiry interval to any message they send. Sometimes, we ...
VerneMQ End User License Agreement
Sustainable Open Source Software
As of VerneMQ 1.10.0, our software distribution packages, such as the official OS packages and Docker images, are governed by the VerneMQ EULA. You may only use the official VerneMQ packages if you accept the VerneMQ ...
Saving band-with with topic aliases
One of the new features introduced with MQTT 5.0 is the concept of topic aliases. When publishing MQTT messages the topic is, by necessity, always included so the broker can route the message appropriately. For small message payloads the publish ...
70M offline messages... What?
When working on the 1.9.0 release an IoT company contacted us to help them improve their VerneMQ setup. The customer wanted to use VerneMQ as a highly available buffer to store incoming messages. That way their consumer applications can be offline ...
VerneMQ 1.9.0 release highlights
The 1.9.0 release brings some interesting improvements as well as a bunch of bug fixes and new features.
Performance improvements
One of the most exciting aspects of the 1.9.0 VerneMQ release is the optimizations done in the built-in message-store ...