Azure Cosmos DB Blog

Today marks a big step forward with the public preview of Dynamic Data Masking (DDM) for Azure Cosmos DB. This feature helps organizations protect sensitive data without requiring changes to application logic or database interactions. What is Dynamic Data Masking? Dynamic Data Masking (DDM) is a server-side, policy-driven security feature that automatically masks sensitive information The post Announcing: Dynamic Data Masking for Azure Cosmos DB (Preview) appeared first on Azure Cosmos DB Blog.

We’re excited to announce the Azure Cosmos DB SRE Agent built on Azure SRE Agent; a new capability designed to simplify troubleshooting and improve reliability for your applications running on Azure Cosmos DB. Some key features of Azure Cosmos DB SRE Agent are:  Sub-Agent Architecture: Specialized, delegated agents that help Azure Cosmos DB SDK analysis The post Use Azure SRE Agent with Azure Cosmos DB: Smarter Diagnostics for Your Applications appeared first on Azure Cosmos DB Blog.

Account Key Usage Metadata is a new security and observability feature that helps Azure Cosmos DB customers avoid service disruptions during key rotations. It provides visibility when each account key was last used, allowing teams to make informed decisions before rotating or migrating to Entra ID.  This feature addresses a common challenge of rotating a The post Announcing Private Preview: Safe Account Key rotation using Account Key Usage Metadata appeared first on Azure Cosmos DB Blog.

Have you ever faced a situation where two different workloads share the same container, and one ends up slowing down the other? This is a common challenge for many of our customers running applications on Azure Cosmos DB. Imagine these scenarios: A background job consumes most of the throughput, leaving end users frustrated with high The post General Availability: Priority-Based Execution in Azure Cosmos DB appeared first on Azure Cosmos DB Blog.

We are excited to announce the preview of Online Copy Jobs, a powerful new feature designed to make data migration between containers seamless and efficient with minimal downtime. With this feature, you can replicate data from a source to a destination container in real time without disrupting your applications. What is an online copy job? The post Announcing Preview of Online Copy Jobs in Azure Cosmos DB: Migrate Data with Minimal Downtime! appeared first on Azure Cosmos DB Blog.

Microsoft Ignite 2025 kicked off with a wave of announcements for Azure Cosmos DB and Azure DocumentDB, setting the tone for a week of innovation in cloud databases and AI. Here’s your one-stop summary of everything unveiled—and what to watch for in the sessions ahead. Major Azure Cosmos DB announcements from Ignite 2025 Azure DocumentDB The post Announced at Ignite 2025: Azure DocumentDB, MCP Toolkit, Fleet Analytics, and more! appeared first on Azure Cosmos DB Blog.

We’re excited to announce the public preview of Index Advisor for Azure DocumentDB (with MongoDB Compatibility). It is a built-in AI powered performance tuning assistant that helps you understand slow queries, diagnose inefficiencies, and automatically generate optimized index recommendations.  With Index Advisor, you can quickly analyze query structure, execution plans, and collection statistics to receive The post Introducing Index Advisor for Azure DocumentDB (Preview) appeared first on Azure Cosmos DB Blog.

We’re thrilled to announce the general availability (GA) of the Azure Cosmos DB extension for Visual Studio Code! This powerful extension brings enterprise-grade database management directly into your development environment, making it easier than ever to build, test, and deploy applications powered by Azure Cosmos DB.    As a Cosmos DB developer, you know The post Azure Cosmos DB Extension for VS Code Now Generally Available appeared first on Azure Cosmos DB Blog.

We’re excited to announce two updates to Azure Cosmos DB fleets: Fleet pools – now generally available Fleet analytics – now in public preview Azure Cosmos DB fleets enables developers to build scalable, isolated, and cost-effective multi-tenant or Software as a Service (SaaS) applications. Today, many SaaS providers using Azure Cosmos DB isolate each tenant The post Now Generally Available: Azure Cosmos DB Fleet Pools appeared first on Azure Cosmos DB Blog.

We’re excited to announce the Public Preview of a significant enhancement to the Azure DocumentDB (with MongoDB compatibility) Migration extension for Visual Studio Code—introducing online migration capability! This update makes it easier than ever to migrate MongoDB workloads to Azure DocumentDB with minimal downtime, maximum efficiency, and a fully managed experience. What Is the Azure The post Public Preview: Azure DocumentDB Migration Extension Now Supports Online Migration to Azure DocumentDB (with MongoDB compatibility) appeared first on Azure Cosmos DB Blog.