OpenSearch Project Blog

Discover how OpenSearch FP16 vector search performance improved up to 310% throughput using bulk SIMD in OpenSearch 3.5, with progressive optimizations across 3.1, 3.4, and 3.5 reducing p99 latency to 91 ms.

Data Prepper 2.14 adds OpenTelemetry-powered APM service maps, production-ready Prometheus support, Lambda streaming, and cross-region S3 for modern observability.

As OpenSearch continues to evolve, clarity and collaboration matter more than ever. We are transforming how we share the OpenSearch technical roadmap to give you greater visibility into what’s coming next.

Explore OpenSearch's experimental features including Workspace for Dashboards, distributed tracing, and pull-based ingestion. Get early access to tomorrow's innovations while helping shape the future of OpenSearch.

Discover how OpenSearch User Groups grew from 14 to 31 groups worldwide in 2025, connecting over 2,500 community members passionate about open-source search and analytics technology.

Optimize Lucene HNSW vector search in OpenSearch with OS page cache and RAM tuning. Achieve CPU-bound performance for semantic search, RAG, and LLM applications globally.

Discover how OpenSearch Vector Engine transforms enterprise search with AI-powered semantic capabilities, hybrid search, and RAG integration for superior accuracy and relevance.

The OpenSearch Ambassador program is now accepting applications for its next cohort! Applications are open through February 16, and we invite community members who are passionate about the OpenSearch open source project to apply.

In the last couple of months, the OpenSearch Kubernetes Operator has seen significant improvements across security, stability, flexibility, and operational capabilities. We’re excited to announce the 3.0 alpha release of...

The open source search and analytics community is heading to Shanghai, and you won't want to miss it. OpenSearchCon China 2026 takes place 17–18 March at the Hilton Shanghai Hongqiao, bringing together developers, architects, data engineers, and business leaders for two days of learning, networking, and community building.

Explore OpenSearch 3.4's agentic search UI in Dashboards. Configure AI agents, test natural language queries, and export configurations with hands-on examples.

Discover how OpenSearch's Anomaly Detection handles missing data with configurable imputation, turning data silence into critical alert signals. Learn how configurable imputation strategies and Klarna's real-world monitoring use case.

Discover how random rotation in OpenSearch 3.2 improves binary quantization accuracy by removing axis correlations without changing true distances in your data.

Discover OpenSearch's experimental Apache Arrow integration. Learn how Arrow Flight enables zero-copy data transfer between nodes, improving throughput for large-scale analytics and observability workloads.

OpenSearch is a modern, open source search and analytics suite designed for performance, scalability, and flexibility. It’s widely used for use cases such as log analysis, application monitoring, real-time data...

OpenSearch 3.3 introduces resource sharing and access control, enabling teams to securely share ML models, anomaly detectors, and other plugin resources with fine-grained permissions.

There is something special about the energy at KubeCon + CloudNativeCon North America, with thousands of cloud-native enthusiasts, cutting-edge technology, and the unmistakable buzz of innovation.

OpenSearch 3.3 delivers breakthrough performance with 11× faster queries, optimized vector search, and enhanced AI capabilities. Discover the latest innovations in search and analytics performance.