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Glossary / Lexicon

What is Elasticsearch?

03/29/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS

Elasticsearch is a popular open-source search and analytics engine designed to store, search, and analyze large volumes of data in real-time. It is part of the Elastic Stack, which also includes Logstash and Kibana.

Elasticsearch uses a document-oriented approach to store data, which means that it stores data as JSON documents, and indexes each field in the document for fast search and retrieval. It is designed to handle a wide range of use cases, including full-text search, structured search, analytics, and log analysis.

Elasticsearch is known for its distributed architecture, which allows it to scale horizontally across multiple nodes, making it suitable for handling large volumes of data. It also provides a powerful query language, which allows users to perform complex searches and aggregations on their data.

Elasticsearch is used by a wide range of organizations, including businesses, governments, and non-profit organizations, to power search and analytics applications, monitor and analyze system logs, and more.

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