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You're reading from  Learning Elasticsearch

Product typeBook
Published inJun 2017
PublisherPackt
ISBN-139781787128453
Edition1st Edition
Tools
ElasticsearchKibana
Concepts
Enterprise Search
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Abhishek Andhavarapu
Abhishek Andhavarapu
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Abhishek Andhavarapu

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 about Abhishek Andhavarapu

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A traditional database usually contains structured data. A query on a database limits the data depending on different conditions specified by the user. Each condition in the query is evaluated as true/false, and the rows that don't satisfy the conditions are eliminated. However, full-text search is much more complicated. The data is unstructured, or at least the queries are.

We often need to search for the same text across one or more fields. The documents can be quite large, and the query word might appear multiple times in the same document and across several documents. Displaying all the results of the search will not help as there could be hundreds, if not more, and most documents might not even be relevant to the search.

To solve this problem, all the documents that match the query are assigned a score. The score is assigned based on how relevant each document...

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Learning Elasticsearch
Published in: Jun 2017Publisher: PacktISBN-13: 9781787128453
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Abhishek Andhavarapu

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 about Abhishek Andhavarapu

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