Elasticsearch is the leading distributed, RESTful, open source search and analytics engine designed for speed, horizontal scalability, reliability, and easy management.

Elasticsearch is a source-available search engine. It is based on Apache Lucene (an open-source search engine) and provides a distributed, multitenant -capable full-text search engine with an …

Since its release in 2010, Elasticsearch has quickly become the most popular search engine and is commonly used for log analytics, full-text search, security intelligence, business analytics, …

Elasticsearch is a distributed search and analytics engine, scalable data store and vector database optimized for speed and relevance on production-scale workloads.

Jul 23, 2025 · This guide is structured to help you understand the core functionalities of Elasticsearch, set up your environment, index and query data, and optimize performance.

Elasticsearch is a distributed, open-source search and analytics engine built on Apache Lucene. It stores data as JSON documents and uses inverted indices for lightning-fast full-text search.

Download Elasticsearch or the complete Elastic Stack (formerly ELK stack) for free and start searching and analyzing in minutes with Elastic.

Effortless Elasticsearch management — AutoOps is here, and it's free for Elastic Cloud customers. Read the blog

Reference Elastic APIs Browse the API docs for Elasticsearch, Kibana, Elastic Cloud, and more.

Elasticsearch: The open source platform for high-performance search, context engineering, and AI Store structured, unstructured, and vector data. Build AI applications and agents with …