Technical Archives

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Introducing resource sharing: A new access control model for OpenSearch

OpenSearch 3.3 introduces resource sharing and access control, enabling teams to securely share ML models,…

Craig PerkinsDecember 17, 2025

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OpenSearch 3.3: Performance innovations for AI search solutions

OpenSearch 3.3 delivers breakthrough performance with 11× faster queries, optimized vector search, and enhanced AI…

Asim MahmoodDecember 8, 2025

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Boost search relevance with late interaction models

Discover how late interaction models enhance vector search accuracy by preserving token-level information, balancing efficiency…

Mingshi LiuDecember 4, 2025

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OpenSearch as an agentic memory solution: Building context-aware agents using persistent memory

Learn how OpenSearch 3.3's agentic memory system enables AI agents to maintain context and learn…

Dhrubo SahaDecember 2, 2025

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Asymmetric distance computation for binary quantization

Learn how asymmetric distance computation (ADC) in OpenSearch achieves 32-fold memory compression for vector search…

Yonatan NaamadNovember 26, 2025

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Better observability, deeper insights: OpenSearch’s new Piped Processing Language capabilities

OpenSearch 3.3, PPL, Piped Processing Language, log analytics, observability, Apache Calcite, data analysis, time-series analysis,…

Anas AlkouzNovember 25, 2025

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Introducing agentic search in OpenSearch: Transforming data interaction through natural language

With OpenSearch 3.3, we are excited to introduce _agentic search_, a major evolution in the…

Owais KaziNovember 24, 2025

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Adaptive refresh for resilient segment replication

Segment replication is a powerful index replication strategy for high QPS workloads that allows physical…

Vigya SharmaNovember 21, 2025

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Amazon Q CLI integration: Log pattern and data distribution analysis

Learn how to integrate Amazon Q CLI with OpenSearch's log pattern analysis and data distribution…

Jiaru JiangNovember 20, 2025

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Introducing real-time streaming for AI models and agents in OpenSearch

In today's fast-paced digital world, waiting isn't an option, especially when it comes to AI-powered…

Nathalie JonathanNovember 18, 2025

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Improving vector search diversity through native MMR

Learn how to improve search result diversity using OpenSearch 3.3's native Maximal Marginal Relevance (MMR)…

Bo ZhangNovember 17, 2025

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Save up to 2x on storage with derived source

Storage is a key factor driving the infrastructure cost of your OpenSearch cluster. As your…

Tanik PansuriyaOctober 22, 2025

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Explore OpenSearch 3.3

OpenSearch 3.3 is available for download, with a number of new features designed to help…

James McIntyreOctober 14, 2025

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Reimagining log analytics for the modern enterprise

In an era of explosive data growth, organizations are facing a critical challenge: how to…

Joshua BrightOctober 8, 2025

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Introducing OpenSearch AI demos in Hugging Face: Your all-in-one AI search playground

We're thrilled to announce the launch of OpenSearch AI demos in Hugging Face, a set of cutting-edge demo…

Jon HandlerSeptember 30, 2025

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Advancing search with OpenSearch v3 neural sparse models and a multilingual retrieval model

Enhancing OpenSearch neural sparse models with GTE and LLM teachers.

Yiwen WangSeptember 25, 2025

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Measuring and improving search quality metrics

Image source: Created by DALL·E 3 From observing change to measuring search quality In the…

Daniel WrigleySeptember 17, 2025

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Lucene-on-Faiss: Powering OpenSearch’s high-performance, memory-efficient vector search

Learn how a hybrid approach that takes the best from Lucene and Faiss achieves better…

Dooyong KimSeptember 15, 2025

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Meet OSCAR: The AI chat assistant that makes OpenSearch releases easier for everyone

OpenSearch is an open source search and analytics platform that powers website search, log analytics,…

Divyam SengarSeptember 8, 2025

Blog

OpenSearch MCP server: Empowering the Amazon EC2 team’s droplet analysis

Discover how Amazon EC2 team leveraged OpenSearch MCP server and Amazon Q to revolutionize droplet…

Rithin PullelaSeptember 4, 2025

Technical

Introducing resource sharing: A new access control model for OpenSearch

OpenSearch 3.3: Performance innovations for AI search solutions

Boost search relevance with late interaction models

OpenSearch as an agentic memory solution: Building context-aware agents using persistent memory

Asymmetric distance computation for binary quantization

Better observability, deeper insights: OpenSearch’s new Piped Processing Language capabilities

Introducing agentic search in OpenSearch: Transforming data interaction through natural language

Adaptive refresh for resilient segment replication

Amazon Q CLI integration: Log pattern and data distribution analysis

Introducing real-time streaming for AI models and agents in OpenSearch

Improving vector search diversity through native MMR

Save up to 2x on storage with derived source

Explore OpenSearch 3.3

Reimagining log analytics for the modern enterprise

Introducing OpenSearch AI demos in Hugging Face: Your all-in-one AI search playground

Advancing search with OpenSearch v3 neural sparse models and a multilingual retrieval model

Measuring and improving search quality metrics

Lucene-on-Faiss: Powering OpenSearch’s high-performance, memory-efficient vector search

Meet OSCAR: The AI chat assistant that makes OpenSearch releases easier for everyone

OpenSearch MCP server: Empowering the Amazon EC2 team’s droplet analysis

OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.

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