Azure Cosmos DB Blog

Optimizing bandwidth in the Azure Cosmos DB .NET SDK

Matias QuarantaSeptember 24, 2020Sep 24, 202009/24/20

Learn how to optimize the network bandwidth usage in your application by taking advantage of EnableContentResponseOnWrite to avoid getting unneeded content as part of your operations with the Azure Cosmos DB .NET SDK

Ignite 2020: New serverless and analytics capabilities announced

Nikisha Reyes-GrangeSeptember 22, 2020Sep 22, 202009/22/20

Today, at Microsoft Ignite 2020, we announced new ways to run serverless workloads and bring the power of Azure Synapse Analytics to operational data in Azure Cosmos DB. These capabilities offer new possibilities for NoSQL developers and data analysts to power applications at any size or scale – from dev/test to production. You can explore ...

Bulk Updates with Optimistic Concurrency Control

Theo van KraaySeptember 15, 2020Sep 15, 202009/15/20

How to support bulk updates in Azure Cosmos DB with Optimistic concurrency control. In this sample, we use Core (SQL) API to bulk update vertices in a graph hosted in Gremlin API!

Upgrade your server version from 3.2 to 3.6 for Azure Cosmos DB API for MongoDB

Luis BosquezSeptember 11, 2020Sep 11, 202009/11/20

You can now upgrade your applicable MongoDB account to the latest version by using our automatic database upgrade process. The upgrade process doesn't interrupt the availability of your account and it doesn't consume RU/s or decrease the capacity of the database at any point. No existing data or indexes will be affected by this process. ...

Build fault tolerant applications with Cassandra API for Azure Cosmos DB

Abhishek GuptaSeptember 10, 2020Sep 10, 202009/10/20

Step-by-step guidance about how to build fault tolerant applications using the Azure Cosmos DB Cassandra API with a custom retry policy for 429 errors.

Azure Cosmos DB for the SQL Professional – Referencing Tables

James SerraAugust 24, 2020Aug 24, 202008/24/20

How should you handle reference tables that are common in the relational database world when working in Azure Cosmos DB? This post walks through some of the differences SQL professionals will encounter, and how developing in a Azure Cosmos DB environment compares to a relational database management service (RDBMS).

Azure Cosmos DB serverless now in preview

Thomas WeissAugust 19, 2020Aug 19, 202008/19/20

Azure Cosmos DB serverless is a new consumption-based offer that requires no capacity management. It bills only for the Request Units used by database operations and provides a lower entry price for development, testing and small applications with light traffic.

HttpClientFactory in the Azure Cosmos DB .NET SDK

Matias QuarantaAugust 19, 2020Aug 19, 202008/19/20

In this post, learn about HTTPClientFactory and how you can use it to pool HTTP connections with Azure Cosmos DB clients.

Change Feed – Unsung Hero of Azure Cosmos DB

Lenni LobelJuly 2, 2020Jul 2, 202007/2/20

One of the most overlooked capabilities in Azure Cosmos DB is its change feed. This little gem sits quietly behind every container in your database, watches for changes, and maintains a persistent record of them in the order they occur. Discover use cases and tips for using this powerful feature.

Data Modeling and Partitioning for Relational Workloads

Lenni LobelJune 30, 2020Jun 30, 202006/30/20

As a NoSQL database, Azure Cosmos DB requires you think about data modeling in new ways. In this post, we’ll use a familiar real-world relational data model and refactor it as a non-relational data model for Azure Cosmos DB.