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Elasticsearch 5.x Cookbook

You're reading from   Elasticsearch 5.x Cookbook Distributed Search and Analytics

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Product type Paperback
Published in Feb 2017
Publisher
ISBN-13 9781786465580
Length 696 pages
Edition 3rd Edition
Languages
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Author (1):
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Alberto Paro Alberto Paro
Author Profile Icon Alberto Paro
Alberto Paro
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Table of Contents (25) Chapters Close

Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface
1. Getting Started FREE CHAPTER 2. Downloading and Setup 3. Managing Mappings 4. Basic Operations 5. Search 6. Text and Numeric Queries 7. Relationships and Geo Queries 8. Aggregations 9. Scripting 10. Managing Clusters and Nodes 11. Backup and Restore 12. User Interfaces 13. Ingest 14. Java Integration 15. Scala Integration 16. Python Integration 17. Plugin Development 18. Big Data Integration

Introduction


To efficiently use Elasticsearch, it is very important to understand its design and working.

The goal of this chapter is to give the readers an overview of the basic concepts of Elasticsearch and to be a quick reference for them. It's essential to better understand them to not fall in common pitfalls due to the lack of know-how about Elasticsearch architecture and internals.

The key concepts that we will see in this chapter are node, index, shard, type/mapping, document, and field.

Elasticsearch can be used in several ways such as:

  • Search engine, which is its main usage

  • Analytics framework via its powerful aggregation system

  • Data store, mainly for log

A brief description of the Elasticsearch logic helps the user to improve performance, search quality and decide when and how to optimize the infrastructure to improve scalability and availability. Some details on data replications and base node communication processes are also explained in the upcoming section, Understanding cluster, replication, and sharding.

At the end of this chapter, the protocols used to manage Elasticsearch are also discussed.

You have been reading a chapter from
Elasticsearch 5.x Cookbook - Third Edition
Published in: Feb 2017
Publisher:
ISBN-13: 9781786465580
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