New: VerneMQ can now use Github Discussions! To join the discussion on features and roadmap, and be part of the VerneMQ Community Team on Github, send us your Github username for an invite! (on Twitter, Slack etc.)
Make sure to visit the new VerneMQ Forum hosted on Erlang Forums. We're happy to discuss any of your questions and ideas around VerneMQ on the Forum too!
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VerneMQ is a high-performance, distributed MQTT message broker. It scales horizontally and vertically on commodity hardware to support a high number of concurrent publishers and consumers while maintaining low latency and fault tolerance. VerneMQ is the reliable message hub for your IoT platform or smart products.
MQTT used to stand for MQ Telemetry Transport, but it no longer is an acronym. It is an extremely simple and lightweight publish/subscribe messaging protocol, that was invented at IBM and Arcom (now Eurotech) to connect restricted devices in low bandwidth, high-latency or unreliable networks.
VerneMQ implements the MQTT 3.1, 3.1.1 and 5.0 specifications. Currently the following features are implemented and delivered as part of VerneMQ:
The following features are also applies to MQTT 5.0 clients:
Below you'll find a basic introduction to building and starting VerneMQ. For more information about the binary package installation, configuration, and administration of VerneMQ, please visit our documentation at VerneMQ Documentation or checkout the product page VerneMQ if you require more information on the available commercial support options.
Next major release: not yet scheduled.
Minor releases: At the end of March, July and November (every 4th month).
Bugfix releases: Usually a bugfix release is released between minor releases or if there's an urgent bugfix pending.
Custom release cycles and releases are available for commercial users.
This section assumes that you have a copy of the VerneMQ source tree. To get started, you need to first build VerneMQ.
Note: VerneMQ requires Erlang/OTP 22-24 and
libsnappy-dev installed in your system. You'll also need a C compiler for Eleveldb. (on Debian, you install
build-essential, as an example).
Assuming you have a working Erlang installation, building VerneMQ should be as simple as:
$ cd $VERNEMQ $ make rel
Once you've successfully built VerneMQ, you can start the server with the following commands:
$ cd $VERNEMQ/_build/default/rel/vernemq $ bin/vernemq start
If VerneMQ is running it is possible to check the status on
http://localhost:8888/status and it should look something like:
Note that the
$VERNEMQ/_build/default/rel/vernemq directory is a complete,
self-contained instance of VerneMQ and Erlang. It is strongly suggested that you
move this directory outside the source tree if you plan to run a production