OpenSearch 3.0 Now Generally Available, With A Focus On Vector Database Performance And Scalability
InfoQ, Saturday, May 31st, 2025
The OpenSearch Software Foundation has announced the general availability of OpenSearch 3.0, the first major release in three years and the first since the project joined the Linux Foundation.
This version introduces native support for the Model Context Protocol (MCP), along with pull-based data ingestion and gRPC support, aimed at improving scalability and integration.
OpenSearch was launched in 2021 by AWS as a fork of Elasticsearch 7.10, following Elastic's license change. With performance as a key focus of this release, OpenSearch 3.0 delivers up to 9.5x faster vector search compared to version 1.3, thanks to support for GPU acceleration and more efficient indexing.
OpenSearch 3.0 upgrades to Apache Lucene 10 and introduces enhancements to data ingestion, transport, and management. James McIntyre, senior product marketing manager at AWS, Saurabh Singh, engineering leader at AWS, and Jiaxiang (Peter) Zhu, senior system development engineer at AWS, explain:...