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Mastering Elasticsearch 5.x

You're reading from   Mastering Elasticsearch 5.x Master the intricacies of Elasticsearch 5 and use it to create flexible and scalable search solutions

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Product type Paperback
Published in Feb 2017
Publisher Packt
ISBN-13 9781786460189
Length 428 pages
Edition 3rd Edition
Languages
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Author (1):
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Bharvi Dixit Bharvi Dixit
Author Profile Icon Bharvi Dixit
Bharvi Dixit
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Table of Contents (13) Chapters Close

Preface 1. Revisiting Elasticsearch and the Changes FREE CHAPTER 2. The Improved Query DSL 3. Beyond Full Text Search 4. Data Modeling and Analytics 5. Improving the User Search Experience 6. The Index Distribution Architecture 7. Low-Level Index Control 8. Elasticsearch Administration 9. Data Transformation and Federated Search 10. Improving Performance 11. Developing Elasticsearch Plugins 12. Introducing Elastic Stack 5.0

Choosing the right directory implementation - the store module


The store module is one of the modules that we usually don't pay much attention to when configuring our cluster; however, it is very important. It is an abstraction between the I/O subsystem and Apache Lucene itself. All the operations that Lucene do with the hard disk drive are done using the store module. Most of the store types in Elasticsearch are mapped to an appropriate Apache Lucene directory class (http://lucene.apache.org/core/6_2_0/core/org/apache/lucene/store/Directory.html). The directory is used to access all the files the index is built of, so it is crucial to properly configure it.

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