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## Apache RocketMQ [![Build Status](https://travis-ci.org/apache/rocketmq.svg?branch=master)](https://travis-ci.org/apache/rocketmq) [![Coverage Status](https://coveralls.io/repos/github/apache/rocketmq/badge.svg?branch=master)](https://coveralls.io/github/apache/rocketmq?branch=master)
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[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.rocketmq/rocketmq-all/badge.svg)](http://search.maven.org/#search%7Cga%7C1%7Corg.apache.rocketmq)
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[![GitHub release](https://img.shields.io/badge/release-download-orange.svg)](https://rocketmq.apache.org/dowloading/releases)
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[![License](https://img.shields.io/badge/license-Apache%202-4EB1BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)

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**[Apache RocketMQ](https://rocketmq.apache.org) is a distributed messaging and streaming platform with low latency, high performance and reliability, trillion-level capacity and flexible scalability.**
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It offers a variety of features:

* Pub/Sub messaging model
* Scheduled message delivery
* Message retroactivity by time or offset
* Log hub for streaming
* Big data integration
* Reliable FIFO and strict ordered messaging in the same queue
* Efficient pull&push consumption model
* Million-level message accumulation capacity in a single queue
* Multiple messaging protocols like JMS and OpenMessaging
* Flexible distributed scale-out deployment architecture
* Lightning-fast batch message exchange system
* Various message filter mechanics such as SQL and Tag
* Docker images for isolated testing and cloud isolated clusters
* Feature-rich administrative dashboard for configuration, metrics and monitoring
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## Learn it & Contact us
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* Mailing Lists: <https://rocketmq.apache.org/about/contact/>
* Home: <https://rocketmq.apache.org>
* Docs: <https://rocketmq.apache.org/docs/quick-start/>
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* Issues: <https://github.com/apache/rocketmq/issues>
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* Ask: <https://stackoverflow.com/questions/tagged/rocketmq>
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* Slack: <https://rocketmq-invite-automation.herokuapp.com/>
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## Apache RocketMQ Community
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* [RocketMQ Community Incubator Projects](https://github.com/apache/rocketmq-externals)
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## Contributing
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We always welcome new contributions, whether for trivial cleanups, big new features or other material rewards, more details see [here](http://rocketmq.apache.org/docs/how-to-contribute/).
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## License
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[Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html) Copyright (C) Apache Software Foundation