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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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Author (1)
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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Summary

In this chapter, you learned about the different types of aggregations supported by Elasticsearch. We discussed how to run multilevel aggregations, for example, grouping a document based on a field and computing the average of each bucket. We also discussed how to run aggregations on geolocation, parent-child, and nested documents. You learned how to use Kibana to visualize the aggregations. We also discussed about doc values and field data which power the aggregations internally.

In the next chapter, we will discuss how to configure Elasticsearch.

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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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