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You're reading from  Elasticsearch 7 Quick Start Guide

Product typeBook
Published inOct 2019
PublisherPackt
ISBN-139781789803327
Edition1st Edition
Tools
Elasticsearch
Concepts
Enterprise Search
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Authors (2):
Anurag Srivastava
Anurag Srivastava
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Anurag Srivastava

Anurag Srivastava is a senior technical lead in a multinational software company. He has more than 12 years' experience in web-based application development. He is proficient in designing architecture for scalable and highly available applications. He has handled development teams and multiple clients from all over the globe over the past 10 years of his professional career. He has significant experience with the Elastic Stack (Elasticsearch, Logstash, and Kibana) for creating dashboards using system metrics data, log data, application data, and relational databases. He has authored three other booksMastering Kibana 6.x, and Kibana 7 Quick Start Guide, and Learning Kibana 7 - Second Edition, all published by Packt.
Read more about Anurag Srivastava

Douglas Miller
Douglas Miller
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Douglas Miller

Douglas Miller is an expert in helping fast-growing companies to improve performance and stability, and in building search platforms using Elasticsearch. Clients (including Walgreens, Nike, Boeing, and Dish Networks) have seen sales increase, fast performance times, and lower overall costs in terms of the total costs of ownership for their Elasticsearch clusters.
Read more about Douglas Miller

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What is an aggregation framework?

An aggregation framework collects analytic data from a set of documents and combines the information to build complex data summaries and statistics. There are four families of aggregations, each of which has a different role:

  • Metrics: This family of aggregations is based on the metrics on different fields of the Elasticsearch documents.
  • Bucketing: This is a family of aggregations that build buckets. Each individual bucket is correlated to a key and a document criterion. When executing an aggregation, the bucket criteria are evaluated on all documents. A document falls in a relevant bucket if it meets the criteria. Each aggregation process will result in a list of buckets that contain documents that belong to it.
  • Pipeline: The pipeline family aggregates the output of other aggregations and their associated metrics.
  • Matrix: A matrix is created...
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Elasticsearch 7 Quick Start Guide
Published in: Oct 2019Publisher: PacktISBN-13: 9781789803327
© 2019 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Anurag Srivastava

Anurag Srivastava is a senior technical lead in a multinational software company. He has more than 12 years' experience in web-based application development. He is proficient in designing architecture for scalable and highly available applications. He has handled development teams and multiple clients from all over the globe over the past 10 years of his professional career. He has significant experience with the Elastic Stack (Elasticsearch, Logstash, and Kibana) for creating dashboards using system metrics data, log data, application data, and relational databases. He has authored three other booksMastering Kibana 6.x, and Kibana 7 Quick Start Guide, and Learning Kibana 7 - Second Edition, all published by Packt.
Read more about Anurag Srivastava

author image
Douglas Miller

Douglas Miller is an expert in helping fast-growing companies to improve performance and stability, and in building search platforms using Elasticsearch. Clients (including Walgreens, Nike, Boeing, and Dish Networks) have seen sales increase, fast performance times, and lower overall costs in terms of the total costs of ownership for their Elasticsearch clusters.
Read more about Douglas Miller

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