AWS Certified Data Analytics Specialty 2021 – Hands-On - EMR Promises; Introduction to Hadoop

The video tutorial covers Amazon EMR pricing strategies, node management, and scaling techniques. It explains how to handle node failures, adjust capacity, and utilize managed scaling. The tutorial also provides an overview of Hadoop architecture, including HDFS, YARN, and MapReduce, highlighting their roles in data processing.

Describe the MapReduce process and its components.

What are the implications of removing a core node from an EMR cluster?

In what scenarios would you prefer to add task nodes instead of resizing core nodes?