Technical Archives - Page 5 of 10

Blog

Semantic Search with OpenSearch: Architecture options and Benchmarks

Unlike traditional lexical search algorithms such as BM25, which only take keywords into account, semantic…

Sean ZhengDecember 7, 2023

Blog

Improving document retrieval with sparse semantic encoders

OpenSearch 2.11 introduced neural sparse search---a new efficient method of semantic retrieval. In this blog…

Zhichao GengDecember 5, 2023

Blog

Building custom threat detection rules with OpenSearch Security Analytics

OpenSearch Security Analytics provides new threat monitoring, detection, and alerting features. These capabilities help you…

Xenia TupitsynaNovember 21, 2023

Blog

Secrets to improving ingestion with OpenSearch

While most of the secrets I’m sharing with you aren’t intentionally hidden, they sure felt…

David TippettNovember 20, 2023

Blog

Optimize OpenSearch Refresh Interval

This blog post discusses optimizing the refresh interval of an OpenSearch index and how the…

Chris SharkeyNovember 13, 2023

Blog

What in the ML is going on around here?

Going from a vanilla install of OpenSearch to having vectorized text stored in a k-NN–enabled…

Nate BootNovember 2, 2023

Blog

Introducing a traffic capture and replay solution for OpenSearch migrations and upgrades

We are thrilled to introduce the beta release of a live traffic capture and replay…

Himanshu SetiaOctober 26, 2023

Blog

Efficient filtering in OpenSearch vector engine

With the release of OpenSearch 2.9, we introduced efficient filtering, or “filter-while-search,” functionality for queries using…

Navneet VermaOctober 18, 2023

Blog

Introducing concurrent segment search in OpenSearch

OpenSearch is a scalable, flexible, and extensible open-source search and analytics engine. It is built…

Andriy RedkoOctober 18, 2023

Blog

Byte-quantized vectors in OpenSearch

Until now, the OpenSearch k-NN plugin has supported the indexing and querying of vectors of…

Naveen TatikondaOctober 9, 2023

Blog

New IP2Geo processor with automatic update in OpenSearch

When you host a service across geographic regions, it often helps to understand load patterns…

Heemin KimOctober 4, 2023

Blog

Improve search relevance with hybrid search, generally available in OpenSearch 2.10

In an earlier blog post, a group of Amazon scientists and engineers described methods of combining…

Martin GaievskiOctober 4, 2023

Blog

OpenSearch Security: A Testament to Our Commitment

In OpenSearch, there’s an understanding that security isn’t just a feature, but a foundational part…

Dave LagoSeptember 18, 2023

Blog

Use OpenSearch Benchmark with Randomized Query Terms

Performance testing is part science and part art. On the measurement side, you employ science…

OpenSearchSeptember 14, 2023

Blog

Monitoring your cluster with cluster metrics monitors

In OpenSearch version 1.3, we added cluster metrics monitors to the Alerting plugin. Cluster metrics…

Thomas HurneySeptember 7, 2023

Blog

Overlaying anomalies and alerts on OpenSearch Dashboards visualizations

We have some exciting news to share with you! We have taken the first step…

Joshua BrightAugust 2, 2023

Blog

Introducing extensions for OpenSearch

Extensions is a new experimental feature in OpenSearch 2.9 that allows you to extend OpenSearch and…

Sarat VemulapalliJuly 25, 2023

Blog

New for OpenSearch Dashboards: Long-running operation notifications and component templates

OpenSearch Dashboards now provides two additional UI elements to simplify index management: notifications for long-running operations and component…

Hailong CuiJuly 20, 2023

Blog

Correlating security events across different log sources

All enterprises, large and small, across different industries and geographies, are vulnerable to security threats…

Amardeepsingh SiglaniJuly 13, 2023

Blog

Optimize OpenSearch index shard sizes

This blog post discusses optimizing the number shards in an OpenSearch index. Optimizing shard sizes…

Chris SharkeyJuly 6, 2023

Technical

Semantic Search with OpenSearch: Architecture options and Benchmarks

Improving document retrieval with sparse semantic encoders

Building custom threat detection rules with OpenSearch Security Analytics

Secrets to improving ingestion with OpenSearch

Optimize OpenSearch Refresh Interval

What in the ML is going on around here?

Introducing a traffic capture and replay solution for OpenSearch migrations and upgrades

Efficient filtering in OpenSearch vector engine

Introducing concurrent segment search in OpenSearch

Byte-quantized vectors in OpenSearch

New IP2Geo processor with automatic update in OpenSearch

Improve search relevance with hybrid search, generally available in OpenSearch 2.10

OpenSearch Security: A Testament to Our Commitment

Use OpenSearch Benchmark with Randomized Query Terms

Monitoring your cluster with cluster metrics monitors

Overlaying anomalies and alerts on OpenSearch Dashboards visualizations

Introducing extensions for OpenSearch

New for OpenSearch Dashboards: Long-running operation notifications and component templates

Correlating security events across different log sources

Optimize OpenSearch index shard sizes

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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