Apache Kafka is an open-source, distributed message broker based on Scala and Java. It's used as a publish-subscribe messaging system; when a producer publishes a message, it's broadcast, and subscribers can get notified and process the information. It can handle large volumes of real-time data and event streaming pipelines with higher throughput than popular message brokers like ActiveMQ and RabbitMQ. In addition, it's highly scalable and fault-tolerant. Apache Kafka uses Apache Zookeeper to ke......