What are some alternatives?
When comparing Apache Spark and CloudAMQP, you can also consider the following products
Hadoop - Open-source software for reliable, scalable, distributed computing
RabbitMQ - RabbitMQ is an open source message broker software.
Hive - The Productivity Platform
Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.
Hortonworks - Hadoop-Related
Amazon SQS - Amazon Simple Queue Service is a fully managed message queuing service.