We’re gearing for community - EMQ X project newsletter 202102

Hello! Things are moving fast. Thanks to a great community & fantastic dedicated EMQX open-source team, we are developing features & fixes at a break neck pace.

February was a hotpot of cutting edge protocol support, community engagement, security and more features. Here’s what we have been up to.

Live Feature show case Session

We had our first informal live demo session ( via Zoom ). It was a packed house with multiple teams & community members joining.

A community contribution was demonstrated and well received by everyone, which also included insights on specific customer use cases.

The open source team show cased the new environment variable config overriding & the MsQuic proof of concept. The new Env overriding provides great flexibility, just a little taste of the greater configuration enhancements taking place.

The MsQuic PoC speaks to our commitment to lead in the market. Enabling customers to stay cutting edge in competitive industries.

Thank you to our presenters from the EMQX open source team, community contributors and all the attendees, for an informative event with great energy.

We hope to have many more.


TLS v1.3 as default

From OTP 23 we have set TLS 1.3 as default. Selecting the best security first while still being able to support earlier versions when needed.

Environment Variable config overrides


General configuration can be overridden using environment variables, useful for testing and non persistent use cases.

Master branch leads Repo

Latest Features

The master branch is now the cutting edge, try out the latest features as they are pushed. Releases will be tagged from master and maintenance branches created from releases.

QUIC Protocol in the works

Staying ahead of the curve

A NIF (Erlang Native Implemented Functions) based QUIC ( MsQuic from Microsoft ) PoC developed & demonstrated. Paving the way to road mapping QUIC support in future. Please follow up on emqx/quic for latest updates.

Enterprise features to Open Source

Supporting the community with more functionality.

  • Webhook & MQTT bridge plugin now have the certificate upload feature Open sourced for the community. We’re sure this feature is a welcomed sight to the open source community.
  • Wolff is has been disclosed ( kafka4beam/wolff )

How is it different from brod?

  • More resilient to network and Kafka disturbances
  • More flexible connection management
  • Auto partition count refresh

V4.3 Beta

Now Finalizing

The team are delivering great sprints from our product managers, bringing the anticipated v4.3 Beta tantalizingly close.

Exhook Benchmark

reaches 20k/s TPS on 8 core CPU, 16 GB RAM

Exhook ( emqx-exhook ) is a plugin in emqx. It’s main objective is forwarding all hook events via grpc to servers implemented in another language, greatly improving the extensibility of emqx. The recent benchmark achieved 20k/s TPS on 8 core CPU, 16 GB RAM.

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Related Links

Retained message and message expiration interval of EMQ X MQTT 5.0 broker

The message retention function of [EMQ X MQTT Broker](https://emqx.io) is implemented by the `emqx_retainer` plugin, which is enabled by default. By modifying the configuration of the` emqx_retainer` plugin, you can adjust the EMQ X Broker's retention message Location, restrict the number of retained messages and maximum payload length, and adjust the expiration time of retained messages.

EMQ X Newsletter 202103

In March, the focus of our work was on finalising 4.3 release as well as the design of EMQ X Broker 5.0

Streaming database HStreamDB is officially open sourced

HStreamDB is a streaming database designed for streaming data, managing from accessing, storing, processing to distributing large-scale real-time data streams.