Elasticsearch is a distributed, open source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured.
Elasticsearch is built on Apache Lucene and was first released in 2010 by Elasticsearch N.V. (now known as Elastic). It is known for its simple REST APIs, distributed nature, speed, and scalability.
Elasticsearch is the central component of the Elastic Stack, a set of open source tools for data ingestion, enrichment, storage, analysis, and visualization. Commonly referred to as the ELK Stack (after Elasticsearch, Logstash, and Kibana), the Elastic Stack now includes a rich collection of lightweight shipping agents known as Beats for sending data to Elasticsearch.
What is Elasticsearch used for?
The speed and scalability of Elastic Search and its ability to index many types of content mean that it can be used for a number of use cases:
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Application search
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Website search
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Enterprise search
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Logging and log analytics
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Infrastructure metrics and container monitoring
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Application performance monitoring
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Geospatial data analysis and visualization
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Security analytics
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Business analytics
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