Data Aggregation in Elasticsearch: A Guide

Kacper Bąk
2 min readAug 14, 2023

The wonderful world of Elasticsearch offers a plethora of options for data analysis. In this guide, we’ll walk you through a hands-on lab where you’ll aggregate data and glean insights from a 3-node Elasticsearch cluster.

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Elasticsearch: The Heartbeat of Big Data

The Scenario

You’re a data analyst at an online banking company. The company utilizes a 3-node Elasticsearch cluster as a NoSQL database…

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