AWS Big Data Blog
Modify your cluster on the fly with Amazon EMR reconfiguration
April 2024: This post was reviewed for accuracy. If you are a developer or data scientist using long-running Amazon EMR clusters, you face fast-changing workloads. These changes often require different application configurations to run optimally on your cluster. With the reconfiguration feature, you can now change configurations on running EMR clusters. Starting with EMR release […]
Best practices for resizing and automatic scaling in Amazon EMR
In this post, I detail how EMR clusters resize, and I present some best practices for getting the maximum benefit and resulting cost savings for your own cluster through this feature.

