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Building the future of OpenSearch together

Sep 16 2024 • community-updates

As announced today, the OpenSearch Project is now part of the newly formed OpenSearch Software Foundation, a community-driven initiative under the Linux Foundation. This marks a major milestone in the history of the OpenSearch Project, and we couldn't be more excited to share our thoughts on what this means to...

Optimizing query performance: The implementation of the OpenSearch index request cache

Oct 08, 2024 • technical-posts, search

Speed and efficiency are essential for search users. OpenSearch achieves these through various mechanisms, one of the most important of which being the index request cache. This blog post describes...

Using search latency monitoring at the coordinator-node-level

Oct 01, 2024 • technical-posts, search

Responsiveness is core to any search solution, and communication delays between search requests and responses can present problems for your users. This is why many administrators monitor search latency: the...

An overview of rank normalization in hybrid search

Sep 19, 2024 • technical-post

Rank normalization is a crucial process in hybrid search systems, ensuring that scores from different search algorithms are adjusted to a common scale. This allows for fair and accurate comparisons,...

Introducing OpenSearch 2.17

Sep 17, 2024 • releases

OpenSearch 2.17 is now available! You can download the latest version of OpenSearch to explore exciting new features and enhancements designed to improve machine learning (ML) integration, scalability, cost efficiency,...

OpenSearch Project Roadmap 2024–2025

Sep 12, 2024 • community-updates

OpenSearch is a rapidly growing open-source product suite comprising a search engine, an ingestion system, language clients, and a user interface for analytics. OpenSearch contributors and maintainers are innovating in...

Data Prepper 2.9.0 is ready for download

Aug 29, 2024 • releases

Data Prepper 2.9.0 contains core improvements to expressions, routing, performance, and more.

Boosting vector search performance with concurrent segment search

Aug 27, 2024 • technical-posts, search

In OpenSearch, data is stored in shards, which are further divided into segments. When you execute a search query, it runs sequentially across all segments of each shard involved in...

Improving search efficiency and accuracy with the newest v2 neural sparse models

Aug 21, 2024 • technical-posts

OpenSearch announces the availability of v2 series neural sparse models that enhance the efficiency of semantic sparse retrieval while accelerating inference and improving search.

OpenSearchCon North America 2024: A treasure trove of opportunities

Aug 20, 2024 • community-updates

The third annual OpenSearchCon North America is just around the corner, and this year’s event promises to be an absolute must-attend for anyone looking to dive into search; analytics, observability,...

Using heuristic evaluation to inform the user experience strategy of a product

Aug 16, 2024 • community-updates

Analytics products such as OpenSearch rely heavily on visual interfaces such as dashboards to communicate the meaning of data to end users. These products offer powerful tools to construct visualizations,...

Introducing the neural sparse two-phase algorithm

Aug 13, 2024 • technical-posts

We are excited to announce the release of a new feature in OpenSearch 2.15, a two-phase search pipeline for neural sparse retrieval. In testing, this feature has achieved significant speed...

Introducing OpenSearch 2.16

Aug 07, 2024 • releases

OpenSearch 2.16 is here with an expanded toolkit to make it easier to build search and generative AI applications, along with more advancements in performance and efficiency and upgrades that...

Exploring concurrent segment search performance

Jul 30, 2024 • search, technical-post

In October 2023, we introduced concurrent segment search in OpenSearch as an experimental feature. Searching segments concurrently improves search latency across a large variety of workloads. This feature was made...

Optimize storage and performance with the MatchOnlyText field in OpenSearch

Jul 22, 2024 • technical-posts

The OpenSearch Project introduced a new field type called match_only_text in version 2.12. This field type is designed for full-text search scenarios where scoring and positional information of terms within...