90 lines
2.3 KiB
Markdown
90 lines
2.3 KiB
Markdown
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## Overview [](https://travis-ci.org/emqtt/emqttd)
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emqttd is a massively scalable and clusterable MQTT V3.1/V3.1.1 broker written in Erlang/OTP. emqttd support both MQTT V3.1/V3.1.1 protocol specification with extended features.
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emqttd requires Erlang R17+ to build.
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## Goals
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emqttd aims to provide a solid, enterprise grade open-source MQTT broker that could support ten millions of concurrent MQTT clients.
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## Architecture
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## Featues
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* Full MQTT V3.1/V3.1.1 protocol specification support
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* QoS0, QoS1, QoS2 Publish and Subscribe
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* Session Management and Offline Messages
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* Retained Messages Support
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* Last Will Message Support
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* TCP/SSL Connection Support
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* MQTT Over Websocket(SSL) Support
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* HTTP Publish API Support
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* [$SYS/borkers/#](https://github.com/emqtt/emqtt/wiki/$SYS-Topics-of-Broker) Support
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* Client Authentication with clientId, ipaddress
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* Client Authentication with username, password.
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* Client ACL control with ipaddress, clientid, username.
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* Cluster brokers on several servers.
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* Bridge brokers locally or remotelly
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* 500K+ concurrent clients connections per server
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* Extensible architecture with plugin support
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* Passed eclipse paho interoperability tests
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## QuickStart
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Download binary packeges for linux, mac and freebsd from [http://emqtt.io/downloads](http://emqtt.io/downloads).
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```
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tar xvf emqttd-ubuntu64-0.7.0-alpha.tgz && cd emqttd
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# start console
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./bin/emqttd console
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# start as daemon
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./bin/emqttd start
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# check status
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./bin/emqttd_ctl status
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# stop
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./bin/emqttd stop
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```
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Build from source:
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```
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git clone https://github.com/emqtt/emqttd.git
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cd emqttd && make && make dist
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```
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## GetStarted
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Read [GettingStarted](https://github.com/emqtt/emqttd/wiki/GettingStarted) for more installation and configuration guide.
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## Benchmark
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Benchmark 0.6.1-alpha on a ubuntu/14.04 server with 8 cores, 32G memory from QingCloud:
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200K+ Connections, 200K+ Topics, 20K+ In/Out Messages/sec, 20Mbps+ In/Out with 8G Memory, 50%CPU/core
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## License
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The MIT License (MIT)
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## Contributors
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[@hejin1026](https://github.com/hejin1026)
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[@desoulter](https://github.com/desoulter)
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[@turtleDeng](https://github.com/turtleDeng)
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## Author
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Feng Lee <feng@emqtt.io>
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