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Learning Elasticsearch

You're reading from  Learning Elasticsearch

Product type Book
Published in Jun 2017
Publisher Packt
ISBN-13 9781787128453
Pages 404 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Abhishek Andhavarapu Abhishek Andhavarapu
Profile icon Abhishek Andhavarapu
LinkedIn
Abhishek Andhavarapu is a software engineer at eBay who enjoys working on highly scalable distributed systems. He has a master's degree in Distributed Computing and has worked on multiple enterprise Elasticsearch applications, which are currently serving hundreds of millions of requests per day. He began his journey with Elasticsearch in 2012 to build an analytics engine to power dashboards and quickly realized that Elasticsearch is like nothing out there for search and analytics. He has been a strong advocate since then and wrote this book to share the practical knowledge he gained along the way.
See other products by Abhishek Andhavarapu

Table of Contents (11) Chapters

Preface Introduction to Elasticsearch Setting Up Elasticsearch and Kibana Modeling Your Data and Document Relations Indexing and Updating Your Data Organizing Your Data and Bulk Data Ingestion All About Search More Than a Search Engine (Geofilters, Autocomplete, and More) How to Slice and Dice Your Data Using Aggregations Production and Beyond Exploring Elastic Stack (Elastic Cloud, Security, Graph, and Alerting)

Scripting

Scripting is one of the most powerful features of Elasticsearch. In this chapter so far, we discussed different types of queries Elasticsearch supports. If these queries are not enough, Elasticsearch also provides script query. Scripting allows you to run user defined scripts to determine whether a document should be filtered or not. Along with the script query, fields based on a script, sorting based on a script are also supported. In Elasticsearch 5.0, Painless, a new scripting language, which is both secure and fast, is introduced. Along with Painless, special-purpose languages, such as Expression, Mustache, and Java are also supported.

Script Query

Script query can be used to evaluate documents against a user...

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Authors (1)

Profile icon Abhishek Andhavarapu
LinkedIn
Abhishek Andhavarapu is a software engineer at eBay who enjoys working on highly scalable distributed systems. He has a master's degree in Distributed Computing and has worked on multiple enterprise Elasticsearch applications, which are currently serving hundreds of millions of requests per day. He began his journey with Elasticsearch in 2012 to build an analytics engine to power dashboards and quickly realized that Elasticsearch is like nothing out there for search and analytics. He has been a strong advocate since then and wrote this book to share the practical knowledge he gained along the way.
Read more
See other products by Abhishek Andhavarapu

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