# Preface

## Kafka Eagle Reference Manual

EFAK (Eagle For Apache Kafka, previously known as Kafka Eagle) used to monitor the Kafka cluster in the case of Topic being consumed. Contains the production of `Offset`, `Lag` changes, the distribution of `Partition`, `Owner`, Topic was created and the time and the time to modify the information. In the use of the process if you encounter problems, you can contact the author. Of course, if you are interested, you can also participate in the development of the system to work.

So, start reading from the [catalog](https://docs.kafka-eagle.org/)!

## Free Trial

Unsure if EFAK is for you? Watch EFAK in action on [play.efak.top](http://play.efak.top/)!

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**UserName** : test

**Password** : test
{% endhint %}

## Contact:

* **Gmail**: <smartloli.org@gmail.com>
* **Github** : [Kafka Eagle](https://github.com/smartloli/efak)
* **QQ Group** : [424769183](http://shang.qq.com/wpa/qunwpa?idkey=b07c12828ed6963fe79078c78bbd1aba7e61b8f5d8fc5ee4ed26809f40b35c37)


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