"YARN Essentials" offers a practical introduction to Apache Hadoop YARN. With this book, you will acquire the skills to install, configure, and manage YARN clusters effectively. It provides hands-on guidance for deploying and managing applications and emerging frameworks, making this resource vital for mastering this key Hadoop technology. What this Book will help me do Learn how to install and configure Apache YARN from scratch. Understand YARN's architecture and its integration with the Hadoop ecosystem. Gain the ability to fine-tune a YARN cluster for optimal performance and scalability. Develop skills to create and run applications on a shared YARN cluster environment. Become proficient in managing, troubleshooting, and expanding YARN capabilities. Author(s) None Fasale and Nirmal Kumar are experienced professionals specializing in Hadoop and distributed systems. With years of hands-on experience in YARN and managing large-scale data processing frameworks, they bring their comprehensive expertise into this guide. Their focus on clarity and applicable knowledge ensures readers gain practical skills alongside theoretical understanding. Who is it for? This book is ideal for Hadoop administrators or developers with background knowledge of Hadoop 1.x, seeking to specialize in managing YARN clusters effectively. It assumes familiarity with basic Hadoop concepts while providing thorough explanations for YARN-specific features and topics. If you're looking to deploy scalable applications using YARN, this is the book for you.