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Elasticsearch

Elasticsearch is a source-available search engine developed by Elastic. It is based on Apache Lucene and provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Official clients are available in Java, C#, PHP, Python, Ruby, and other languages. According to the DB-Engines ranking…

History, Architecture and features & Overview

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Explore the main themes, entities and connections around Elasticsearch. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

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Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

9.5.x
9.5.2 / 20 August 2026; 4 days ago (20 August 2026)
Developer
Elastic NV
License
Triple-licensed Elastic License (proprietary; source-available), Server Side Public License (proprietary; source-available) and Affero General Public License (free and open-source)
Operating system
Cross-platform
Original author
Shay Banon
Release
8 February 2010; 16 years ago (2010-02-08)

Topics to explore

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Overview

History

Architecture and features

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Elasticsearch

Nodes50
Edges49
Triples63
Avg. degree1.96
Density0.04
Components1

How this topic connects Entity context

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Elasticsearch

Top relations

related to Licensing changes · 19
Elasticsearch → Aiven, Amazon Web Services, Apache, Apache License, April, AWS, Beats, CrateDB, Critics, Due, Elastic, Elastic License, In January, Kibana, Logstash, Logz, OpenSearch, Other, Server Side Public License
related to history · 13
Elasticsearch → Benchmark Capital, Compass, Developing, Elastic NV, February, He, HTTP, In June, Index Ventures, JSON, New Enterprise Associates, Series, Shay Banon
related to Architecture and features · 10
Elasticsearch → Apache Lucene, Documents, Java API, JSON, Lucene's, NoSQL, Once, Real-time GET, Routing, The
related to Elastic Stack · 6
Elasticsearch → Beats, Elastic Stack, ELK Stack, Kibana, Logstash, The
is a · 2
Elasticsearch → most popular enterprise search engine.Elasticsearch is distributed and uses JSON documents stored in indices divided into shards, source-available search engine developed by Elastic
see also · 2
Elasticsearch → AWSGraylog, Information
9.5.x · 1
Elasticsearch → 9.5.2 / 20 August 2026; 4 days ago (20 August 2026)
Developer · 1
Elasticsearch → Elastic NV
License · 1
Elasticsearch → Triple-licensed Elastic License (proprietary; source-available), Server Side Public License (proprietary; source-available) and Affero General Public License (free and open-source)
Operating system · 1
Elasticsearch → Cross-platform

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

elastic search kibana engine json distributed java stack license apache documents fork source-available available software logstash developed shards index also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Elasticsearch9.5.x9.5.2 / 20 August 2026; 4 days ago (20 August 2026)1.00infobox
ElasticsearchDeveloperElastic NV1.00infobox
ElasticsearchLicenseTriple-licensed Elastic License (proprietary; source-available), Server Side Public License (proprietary; source-available) and Affero General Public License (free and open-source)1.00infobox
ElasticsearchOperating systemCross-platform1.00infobox
ElasticsearchOriginal authorShay Banon1.00infobox
ElasticsearchRelease8 February 2010; 16 years ago (2010-02-08)1.00infobox
ElasticsearchRepositorygithub.com/elastic/elasticsearch1.00infobox
ElasticsearchStable release9.5.x9.5.2 / 20 August 2026; 4 days ago (20 August 2026)1.00infobox
ElasticsearchTypeSearch and index1.00infobox
ElasticsearchWebsitewww.elastic.co/elasticsearch/1.00infobox
ElasticsearchWritten inJava1.00infobox
Elasticsearchis asource-available search engine developed by Elastic0.90text
Elasticsearchis amost popular enterprise search engine.Elasticsearch is distributed and uses JSON documents stored in indices divided into shards0.90text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

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    Min side: 3
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