Kafka has captured mindshare in the data records streaming market, and in this presentation, we knock on its door and see what lies behind. What is the draw? What makes it an attractive addition? How does it compare to Message Queues and other message streaming services? We will do a thorough introduction into what is Kafka. We will also discuss Consumers, Producers, Streams, and Connectors. Integration with ZooKeeper, and discuss the performance aspect of using Kafka.