Azure Cosmos DB Blog

The latest news, updates and technical insights from the Azure Cosmos DB team

MongoDB to Azure Cosmos DB for NoSQL Migration – Learnings from Java SDK V4 Micro-Optimizations

The authors wish to thank Govind Kanshi (Principal PM Manager), Abinav Rameesh (Principal PM Manager), Kushagra Thapar (Principal Engineering Manager), Annie Liang (Sr. Software Engineer) and Faiz Chachiya (Sr. Cloud Solution Architect, CSU) for their valuable insights, and contributions during the Proof-of-Concept (PoC). Introduction  ...

Best Practices for Re-modeling Graph database to Azure Cosmos DB for NoSQL

Introduction Azure Cosmos DB is Microsoft's premier fully managed NoSQL database for modern app development. It is ideal for solutions including artificial intelligence, digital commerce, Internet of Things, booking management and other types of use cases. It offers single-digit millisecond response times, automatic and instant scalability ...

Azure Cosmos DB design patterns – Part 3: Distributed counter

Over the years, customers have asked us for help in designing applications around specific scenarios they were trying to achieve. In some cases, these centered around implementing certain patterns using a JSON-based NoSQL database. Some of these patterns are very common in the NoSQL world, but not well understood by those new to NoSQL ...

What’s New for Azure Managed Instance for Apache Cassandra at Microsoft Ignite 2023: Building the Next Generation of AI Apps

(image)   Get ready for Microsoft Ignite 2023, where we'll be unveiling exciting new features and enhancements for Azure Managed Instance for Apache Cassandra. With the introduction of vector search, turnkey major version upgrades, turnkey replication for multi-region clusters, turnkey hybrid cluster setup for live migrations, and ...

Azure Cosmos DB design patterns – Part 1: Attribute array

(image) Over the years, customers have asked us for help in designing applications around specific scenarios they were trying to achieve. In some cases, these centered around implementing certain patterns using a JSON-based NoSQL database. Some of these patterns are very common in the NoSQL world, but not well understood by those new to ...

4 Design Patterns to Deal with Large Item Sizes in Azure Cosmos DB for NoSQL

Introduction  A recommended best practice in Azure Cosmos DB for NoSQL is to avoid overly large item sizes. An Azure Cosmos DB item can represent either a document in a container, a row in a table, or a node or edge in a graph, depending on which API you use. Though the maximum size of an item allowed in Azure Cosmos DB for NoSQL is 2 MB, it...

Azure Cosmos DB: Powering the apps you use every day

Did you know that Azure Cosmos DB powers the apps you rely on every day? From the mobile app you use to order your coffee, to your communications methods at work, to your online shopping and news consumption, Azure Cosmos DB works behind the scenes to power the most popular apps and elastically scale them to meet demand. Here's how a ...

Building multi-tenant Java apps using Spring Data and Azure Cosmos DB

There are many factors to take into account when designing a multi-tenant application in Azure Cosmos DB. We've covered many of these aspects at a high level in our documentation on Multitenancy and Azure Cosmos DB. In this blog, we'll quickly dive into the mechanics of implementing a database per tenant or container per tenant performance ...

Azure Cosmos DB – for startups too

  Azure Cosmos DB is a fully-managed, distributed database known for its automatic and instant scalability, guaranteed business continuity with SLA-backed availability, and security for applications of any size or scale. While these are enterprise-level capabilities – ensuring that the most business-critical apps have the ...