This post details Amazon’s ambitious migration from Apache Spark to Ray on Amazon EC2 for exabyte-scale data processing, revealing how Ray’s flexibility and efficiency enabled massive cost savings and performance improvements. Readers will discover the technical strategies and real-world results that made this transformation a success for Amazon’s Business Data Technologies team.

https://aws.amazon.com/blogs/opensource/amazons-exabyte-scale-migration-from-apache-spark-to-ray-on-amazon-ec2/