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Learning YARN

You're reading from  Learning YARN

Product type Book
Published in Aug 2015
Publisher
ISBN-13 9781784393960
Pages 278 pages
Edition 1st Edition
Languages
Concepts

Table of Contents (20) Chapters

Learning YARN
Credits
About the Authors
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
1. Starting with YARN Basics 2. Setting up a Hadoop-YARN Cluster 3. Administering a Hadoop-YARN Cluster 4. Executing Applications Using YARN 5. Understanding YARN Life Cycle Management 6. Migrating from MRv1 to MRv2 7. Writing Your Own YARN Applications 8. Dive Deep into YARN Components 9. Exploring YARN REST Services 10. Scheduling YARN Applications 11. Enabling Security in YARN 12. Real-time Data Analytics Using YARN Index

Summary

In this chapter, we covered the Hadoop-YARN command line interface, that is, the usage of the user, as well as administrative commands. You can now use the different Hadoop-YARN scripts to start or stop services with ease and read log files wherever required. We also talked about the configurations related to different components and the list of default ports used by each component.

With the help of monitoring tools and JMX data, you can analyze cluster state and performance. Features such as recovery, High Availability, and health script checker are now supported.

The next chapter will talk about application execution over a YARN cluster. It gives an in-depth explanation of the application execution phases with the help of a sample MapReduce application.

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