Azure Cosmos DB Blog

In applications such as personalized recommendations and scientific research, accurately identifying the closest data points to a given query is crucial. Traditional methods like Approximate Nearest Neighbor (ANN) search offer faster retrieval times by approximating results but may sacrifice accuracy, leading to potential errors in scenarios where precision is essential. This trade-off between speed and The post Exact Nearest Neighbor (ENN) Vector Search for Precise Retrieval appeared first on Azure Cosmos DB Blog.

Join us for the 5th annual Azure Cosmos DB Conf, a free virtual developer event co-hosted by Microsoft and the Azure Cosmos DB community. This is your opportunity to learn from Microsoft product managers, industry experts, and real-world customers who are building applications with Azure Cosmos DB. This year, we received over 100 session proposals The post Azure Cosmos DB Conf 2025: Learn, Build, and Connect with the Community appeared first on Azure Cosmos DB Blog.

Azure Cosmos DB already delivers 99.999% availability with multi-region write capability and continuous backup for point-in-time restores within a 7 or 30 day retention period. Now, we’re making it even better! Going forward – You can migrate existing single region write region with point in time restore capability to support multi-region write. You can enable The post Enable continuous backup for multi-region write account appeared first on Azure Cosmos DB Blog.

This article follows announcement on a previous article that mentioned the end of support for Transport Security Layer (TLS) 1.0/1.1. TLS 1.3 is the latest version of the internet’s most deployed security protocol, which encrypts data to provide a secure communication channel between two endpoints. Microsoft has implemented updates to enable TLS 1.3 for Azure The post TLS 1.3 support in Azure Cosmos DB appeared first on Azure Cosmos DB Blog.

We’re thrilled to announce that Autoscale is now generally available (GA) for vCore-based Azure Cosmos DB for MongoDB! Say goodbye to manual scaling and overprovisioning—Autoscale dynamically adjusts your database capacity in real time, ensuring peak performance exactly when you need it. Instant scaling? Check. Cost savings? Absolutely. Predictable pricing? You got it. Unlike traditional managed The post Effortless Scaling: Autoscale goes GA on vCore-based Azure Cosmos DB for MongoDB appeared first on Azure Cosmos DB Blog.

vCore based Azure Cosmos DB for MongoDB is expanding its offerings with the new cost-effective M10 and M20 tiers for vCore-based deployments. These tiers lower the entry barrier for organizations adopting MongoDB within the Azure ecosystem, offering market-leading affordability while maintaining Azure’s enterprise-grade reliability and features. Market-leading Affordability These new dedicated cluster tiers demonstrate Azure’s The post Making MongoDB workloads more affordable with M10/M20 tiers in vCore-based Azure Cosmos DB appeared first on Azure Cosmos DB Blog.

This blog post covers how to build a chat history implementation using Azure Cosmos DB for NoSQL Go SDK and langchaingo. If you are new to the Go SDK, the sample chatbot application presented in the blog serves as a practical introduction, covering basic operations like read, upsert, etc. It also demonstrates using the Azure The post Implementing Chat History for AI Applications Using Azure Cosmos DB Go SDK appeared first on Azure Cosmos DB Blog.

This article is guest authored by Youssef Moussaoui, member of the technical staff, Microsoft Copilot. As part of the team developing Microsoft Copilot, we’re constantly looking for ways to improve the application and keep our millions of users engaged. With this in mind, we recently evaluated the structure of our backend and began looking for The post How Microsoft Copilot scales to millions of users with Azure Cosmos DB appeared first on Azure Cosmos DB Blog.

We’re excited to announce the public preview of the Azure Cosmos DB SDK for Rust, a native Rust SDK that enables developers to interact with Azure Cosmos DB for NoSQL accounts from their Rust applications. Following the release of Azure SDK for Rust Beta, the Azure Cosmos DB Rust SDK provides an idiomatic API for The post Announcing the Public Preview of the Azure Cosmos DB SDK for Rust! appeared first on Azure Cosmos DB Blog.

Co-authors: RK Iyer, Mangal Dutta Migrating stateful systems, such as databases, is a complex process. A frequent requirement for customers is to transfer data from DynamoDB to Azure Cosmos DB for NoSQL. This process involves several stages, including exporting data from DynamoDB, performing necessary transformations, and importing the data into Azure Cosmos DB. Common migration The post Migrating data from DynamoDB to Azure Cosmos DB appeared first on Azure Cosmos DB Blog.