## RocketMQ [![Build Status](https://travis-ci.org/alibaba/RocketMQ.svg?branch=master)](https://travis-ci.org/alibaba/RocketMQ)
[![Maven Central](https://img.shields.io/badge/maven--center-stable--version-green.svg)](http://search.maven.org/#search%7Cga%7C1%7Ccom.alibaba.rocketmq)
[![GitHub release](https://img.shields.io/badge/release-download-orange.svg)](https://github.com/alibaba/RocketMQ/releases)
[![License](https://img.shields.io/badge/license-Apache%202-4EB1BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)

**RocketMQ is a low latency, reliable, scalable, easy to use message oriented middleware born from alibaba massive messaging business.**

It offers a variety of features as follows:

* Pub/Sub and P2P messaging model
* Reliable FIFO and strict sequential messaging in the same queue
* Long pull queue model,also support push consumption style
* Million message accumulation ability in single queue
* Over a variety of messaging protocols.such as JMS,MQTT etc.
* Distributed high available deploy architecture, meets at least once message delivery semantics
* Docker images for isolated testing and cloud Isolated clusters
* Feature-rich administrative dashboard for configuration,metrics and monitoring [![Cloud Charge](https://img.shields.io/badge/cloud-charge-red.svg)](https://www.aliyun.com/product/ons/?spm=5176.7960203.237031.135.67OdNO)
* Message full-link tracking [![Cloud Charge] (https://img.shields.io/badge/cloud-charge-red.svg)](https://www.aliyun.com/product/ons/?spm=5176.7960203.237031.135.67OdNO)
* Producer transaction message,making producer and local database transaction in one atomic operation [![Cloud Charge](https://img.shields.io/badge/cloud-charge-red.svg)](https://www.aliyun.com/product/ons/?spm=5176.7960203.237031.135.67OdNO)
* Message Schedule delivery,similar JMS2 spec's delivery delay [![Cloud Charge] (https://img.shields.io/badge/cloud-charge-red.svg)](https://www.aliyun.com/product/ons/?spm=5176.7960203.237031.135.67OdNO)

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## Learn it & Contact us
* Wiki: <https://cwiki.apache.org/confluence/display/ROCKETMQ/Apache+RocketMQ+Home>
* Issues: <https://issues.apache.org/jira/browse/RocketMQ>
* Ask: <http://stackoverflow.com/questions/tagged/rocketmq> or <https://www.quora.com/topic/RocketMQ>
* [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/alibaba/RocketMQ?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 

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## RocketMQ Community
* [`Docker images`](https://registry.hub.docker.com/u/vongosling/rocketmq/)
* [RocketMQ Community Projects](https://github.com/rocketmq)

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## Contributing
We are always very happy to have contributions, whether for trivial cleanups,big new features or other material rewards. more details see [here](CONTRIBUTING.md) 
 
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## License
[Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html) Copyright (C) Apache Software Foundation