OpenSearch

lastmod 2025-05-09created 2025-02-192 edits

OpenSearch is a distributed, community-driven, 100% open-source search and analytics suite offered under the Apache 2.0 license, used for a wide range of use cases such as real-time application monitoring, log analytics, and website search. OpenSearch provides a highly scalable system for fast access to and response over large data volumes, along with OpenSearch Dashboards, an integrated visualization tool that makes data exploration easy. OpenSearch is powered by the Apache Lucene search library and supports many search and analytics features, including k-nearest neighbors (KNN) search, SQL, Anomaly Detection, Machine Learning Commons, Trace Analytics, and full-text search.

See also

• Elasticsearch

Favorite site

• OpenSearch web site
• What is OpenSearch? - Open Source Search Engine Explained - AWS
• Ask HN: How is AWS OpenSearch vs. Elasticsearch playing out? | Hacker News
• Elasticsearch Vs OpenSearch | Comparing Elastic and AWS Search Engines - YouTube
• OpenSearch 3.0 release - vector database performance and AI-based search infrastructure | GeekNews