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Site URL: opensearch.org/blog
Feed URL: opensearch.org/feed.xml
Posts: 12
Followers: 1
GPU-accelerated vector search in OpenSearch: A new frontier
https://opensearch.org/blog/GPU-Accelerated-Vector-Search-OpenSearch-New-Frontier/
Published: April 10, 2025 20:54
OpenSearch’s adoption as a vector database has grown significantly with the rise of generative AI applications. Vector search workloads are scaling from millions to billions of vectors, making traditional CPU-based indexing both time consuming and cost…
Efficient large-scale filtering with bitmap filtering in OpenSearch
https://opensearch.org/blog/introduce-bitmap-filtering-feature/
Published: April 10, 2025 20:54
OpenSearch is a powerful open-source search and analytics engine that enables you to efficiently search and filter large datasets. A common search pattern involves filtering documents based on whether a field matches any value in a large set. While the…
A practical guide to selecting HNSW hyperparameters
https://opensearch.org/blog/a-practical-guide-for-selecting-HNSW-hyperparameters/
Published: April 10, 2025 20:54
Vector search plays a crucial role in many machine learning (ML) and data science pipelines. In the context of large language models (LLMs), vector search powers retrieval-augmented generation (RAG), a technique that retrieves relevant content from a large…
Boost OpenSearch vector search performance with Intel AVX-512
https://opensearch.org/blog/Boost-OpenSearch-VectorSearch-Performance-With-Intel-AVX512/
Published: April 8, 2025 17:48
Introduced in OpenSearch 2.18, Intel Advanced Vector Extensions 512 (Intel AVX-512) is a set of new instructions that can accelerate vector workload performance. Vector search benchmarks using OpenSearch Benchmark showed performance boosts of up to 15% for…
Solution Provider Highlight - Enhancing anomaly detection in Amazon OpenSearch Service: A customer success story
https://opensearch.org/blog/ad-rule-cx-success/
Published: April 8, 2025 17:48
As organizations increasingly rely on cloud services, monitoring and detecting anomalies in system behavior has become crucial for maintaining reliable operations. In this post, we’ll explore recent improvements to the Amazon OpenSearch Service anomaly…
Reduce costs with disk-based vector search
https://opensearch.org/blog/Reduce-Cost-with-Disk-based-Vector-Search/
Published: April 8, 2025 17:48
Vector search has gained significant attention in the area of information retrieval thanks to advances in natural language embedding models. These models map domain-specific data into a vector space, where similar pieces of data are positioned close to…
Tracking the evolution of OpenSearch performance
https://opensearch.org/blog/Tracking-the-Evolution-of-OpenSearch-Performance/
Published: April 1, 2025 18:30
Trail of Bits, an independent research and consulting company, recently completed a detailed analysis of OpenSearch performance. Read the blog post and detailed analysis to learn about key performance metrics for the Big5 workload! OpenSearch is a fully…
Generative AI: OpenSearch’s journey as an open-source search engine
https://opensearch.org/blog/opensearch-generative-ai/
Published: March 26, 2025 17:51
The rise of generative AI has transformed search technology, evolving it from simple keyword-based retrieval to intelligent, multimodal search experiences powered by deep learning. In this keynote address at the Linux Foundation Member Summit 2025, I…
Explore OpenSearch 2.19
https://opensearch.org/blog/explore-OpenSearch-2-19/
Published: March 21, 2025 19:07
The latest version of OpenSearch expands capabilities for search and observability use cases, boosts performance and ease of use, and introduces an array of advancements for machine learning (ML) and generative AI applications. Let’s review some of the…
From chaos to clarity: Revolutionizing OpenSearch clients and documentation using a unified API specification
Published: March 21, 2025 19:07
In February 2024, we decided to revamp the OpenSearch API Specification repository by adopting the OpenAPI Specification. While this change offered significant benefits, we encountered some challenges during implementation. Most notably, although the…
Introducing reciprocal rank fusion for hybrid search
https://opensearch.org/blog/introducing-reciprocal-rank-fusion-hybrid-search/
Published: March 21, 2025 19:07
OpenSearch 2.19 introduces reciprocal rank fusion (RRF), a new feature in the Neural Search plugin that enhances hybrid search. RRF merges ranked results from multiple query sources, such as neural search, k-NN, and Boolean queries, into a single…
OpenSearch as a SIEM Solution
https://opensearch.org/blog/OpenSearch-as-a-SIEM-Solution/
Published: March 20, 2025 18:46
OpenSearch is a scalable open-source search and analytics platform that can serve as the core of a Security Information and Event Management (SIEM) system. OpenSearch can centralize logs from diverse sources, apply detection rules, and generate alerts for…