What are some alternatives?
When comparing Apache Spark and RabbitMQ, you can also consider the following products
Hadoop - Open-source software for reliable, scalable, distributed computing
IBM MQ - IBM MQ is messaging middleware that simplifies and accelerates the integration of diverse applications and data across multiple platforms.
Hive - The Productivity Platform
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.
Hortonworks - Hadoop-Related
Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.