AWS Certified Data Analytics Specialty 2021 – Hands-On - EC2 for Big Data

The video tutorial provides an overview of Amazon EC2's role in big data processing, focusing on different instance types such as spot, reserved, and on-demand instances. It explains the cost benefits and use cases for each type, emphasizing the importance of checkpointing for spot instances and the cost savings of reserved instances for long-term use. The tutorial also covers auto scaling for handling variable data loads and discusses the role of EC2 in EMR clusters, highlighting the differences between master and compute nodes.

How does Auto Scaling benefit data processing in AWS?

Describe the roles of master nodes and compute nodes in an EMR cluster.