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erlio/vernemq

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READ ME

VerneMQ: A Distributed MQTT Broker

'VerneMQ Logo'

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.

VerneMQ is an Apache2 licensed distributed MQTT broker, developed in Erlang.

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 and 3.1.1 specifications. Currently the following features are implemented and delivered as part of VerneMQ:

  • QoS 0, QoS 1, QoS 2
  • Basic Authentication and Authorization
  • Bridge Support
  • $SYS Tree for monitoring and reporting
  • TLS (SSL) Encryption
  • Websockets Support
  • Cluster Support
  • Logging (Console, Files, Syslog)
  • Reporting to Graphite
  • Extensible Plugin architecture
  • Multiple Sessions per ClientId
  • Session Balancing
  • Shared subscriptions (BETA)
  • Message load regulation
  • Message load shedding (for system protection)
  • Offline Message Storage (based on LevelDB)
  • Queue can handle messages FIFO or LIFO style.
  • MongoDB auth & integration
  • Redis auth & integration
  • MySQL auth & integration
  • PostgreSQL auth & integration
  • Memcached integration
  • HTTP integration
  • HTTP Webhooks
  • PROXY Protocol v2
  • Administration HTTP API (BETA)
  • Real-time MQTT session tracing

Commercial Support. Binary Packages. Documentation

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.

Quick Start

This section assumes that you have a copy of the VerneMQ source tree. To get started, you need to first build VerneMQ.

Building VerneMQ

Note: VerneMQ requires Erlang 18.x or 19.x to be installed on your system.

Assuming you have a working Erlang installation, building VerneMQ should be as simple as:

$ cd $VERNEMQ
$ make rel

Starting VerneMQ

Once you've successfully built VerneMQ, you can start the server with the following commands:

$ cd $VERNEMQ/_build/default/rel/vernemq
$ bin/vernemq start

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 instance.

Important links