Category: Amazon OpenSearch Service

In this post, instead of using the BM25 algorithm, we introduce sparse vector retrieval. This approach offers improved term expansion while maintaining interpretability. We walk through the steps of integrating sparse and dense vectors for knowledge retrieval using Amazon OpenSearch Service and run some experiments on some public datasets to show its advantages.

When you use Amazon OpenSearch Service for time-bound data like server logs, service logs, application logs, clickstreams, or event streams, storage cost is one of the primary drivers for the overall cost of your solution. Over the last year, OpenSearch Service has released features that have opened up new possibilities for storing your log data […]

Customers across diverse industries rely on Amazon OpenSearch Service for interactive log analytics, real-time application monitoring, website search, vector database, deriving meaningful insights from data, and visualizing these insights using OpenSearch Dashboards. Additionally, customers often seek out capabilities that enable effortless sharing of visual dashboards and seamless embedding of these dashboards within their applications, further […]

Amazon OpenSearch Service securely unlocks real-time search, monitoring, and analysis of business and operational data for use cases like application monitoring, log analytics, observability, and website search. In this post, we examine the OR1 instance type, an OpenSearch optimized instance introduced on November 29, 2023. OR1 is an instance type for Amazon OpenSearch Service that […]

We’re excited to announce the new lower entry cost for Amazon OpenSearch Serverless. With support for half (0.5) OpenSearch Compute Units (OCUs) for indexing and search workloads, the entry cost is cut in half. Amazon OpenSearch Serverless is a serverless deployment option for Amazon OpenSearch Service that you can use to run search and analytics workloads without the complexities […]

In this blog post, we will show how to use Amazon OpenSearch Ingestion to deliver CloudWatch logs to OpenSearch Serverless in near real-time. We outline a mechanism to connect a Lambda subscription filter with OpenSearch Ingestion and deliver logs to OpenSearch Serverless without explicitly needing a separate subscription filter for it.

After careful consideration, we have made the decision to close new customer access to Amazon CloudSearch, effective July 25, 2024. Amazon CloudSearch existing customers can continue to use the service as normal. AWS continues to invest in security, availability, and performance improvements for Amazon CloudSearch, but we do not plan to introduce new features. At […]

Amazon OpenSearch Serverless is a serverless version of Amazon OpenSearch Service, a fully managed open search and analytics platform. On Amazon OpenSearch Service you can run petabyte-scale search and analytics workloads without the heavy lifting of managing the underlying OpenSearch Service clusters and Amazon OpenSearch Serverless supports workloads up to 30TB of data for time-series […]

OpenSearch is an open source, distributed search engine suitable for a wide array of use-cases such as ecommerce search, enterprise search (content management search, document search, knowledge management search, and so on), site search, application search, and semantic search. It’s also an analytics suite that you can use to perform interactive log analytics, real-time application […]

The automobile industry has undergone a remarkable transformation because of the increasing adoption of electric vehicles (EVs). EVs, known for their sustainability and eco-friendliness, are paving the way for a new era in transportation. As environmental concerns and the push for greener technologies have gained momentum, the adoption of EVs has surged, promising to reshape […]