This document discusses setting up a Kafka cluster on Amazon Web Services for a big data pipeline. It provides instructions for launching a 3 node Kafka cluster with Zookeeper and two Kafka brokers. Configuration details are given for each broker node and steps are outlined for starting the Zookeeper and Kafka processes, creating a topic, and running a consumer to read from the topic. The purpose of the Kafka cluster is to work with streaming data in a Python Spark application as part of the big data pipeline.