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 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 Live TV Episode 43 – Data Modeling for the Relational Mind

Azure Cosmos DB Live TV returns with episode 43, where Principal Program Manager, Mark Brown and Microsoft MVP Sarah Dutkiewicz showcase how the relational mind can into the nonrelational side by looking at the differences in data modeling. They will walk through a common scenario and how relational modeling differs from modeling for document ...

Now in preview – Support for custom partitioning in Azure Synapse Link for Azure Cosmos DB

Support for custom partitioning in Azure Synapse Link for Azure Cosmos DB was announced in preview at Microsoft Ignite. This capability improves query performance by enabling you to partition Azure Cosmos DB analytical store data using keys that are frequently used as query filters.

Integrating Azure Cosmos DB Cassandra API with Apache Kafka using Kafka Connect

Azure Cosmos DB Cassandra API is a fully managed cloud service that is compatible with Cassandra Query Language (CQL) v3.11 API. It has no operational overhead and you can benefit from all the underlying Azure Cosmos DB capabilities such as global distribution, automatic scale out partitioning, availability and latency guarantees, encryption ...