Azure Cosmos DB Blog

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

Azure Cosmos DB for NoSQL - Azure Cosmos DB Blog

Reduce TCO with Azure Cosmos DB for MongoDB

April 12, 2024 Apr 12, 2024 04/12/24
Abinav Rameesh
Azure Cosmos DB for MongoDB is a fully managed MongoDB compatible cloud database service. Built on top of a proprietary engine to provide scale, performance and availability guarantees, the service eliminates the operational overhead of running self-hosted MongoDB instances.   In this blog, we dig into seven specific reasons why total ...

Optimize Your Azure Cosmos DB Costs with New Reserved Capacity Tiers

April 11, 2024 Apr 11, 2024 04/11/24
Rodrigo Souza
Commit to a reservation for Azure Cosmos DB resources using Azure Cosmos DB reserved capacity to save money.  Starting with our new 100 RU/s option, any customer can now reduce costs using Azure Cosmos DB request units (RU/s). You can buy any quantity of the 100 RU/s reservation, at any time.  There is no limit to the number of reservations...

Backups for Azure Managed Instance for Apache Cassandra®

April 9, 2024 Apr 9, 2024 04/9/24
Wenting Wu
In the dynamic landscape of cloud-based data management, Azure Managed Instance for Apache Cassandra® (Azure MI Cassandra) stands out as a fully managed service that simplifies the deployment and management of Cassandra clusters on the Azure platform. Beyond its core functionalities, Azure MI Cassandra offers a valuable backup feature, ...

Optimizing database performance: Change partition keys of a container in Azure Cosmos DB for NoSQL API (preview)

March 27, 2024 Mar 27, 2024 03/27/24
Richa Gaur
Partitioning is a key concept in Azure Cosmos DB, a fully managed, globally distributed, multi-model database service that offers unlimited scalability and low latency. By distributing data across multiple physical partitions based on the partition key(s), Azure Cosmos DB optimizes data access and distribution, profoundly impacting database ...

Now in public preview: Mirroring Azure Cosmos DB in Microsoft Fabric

March 26, 2024 Mar 26, 2024 03/26/24
authorsAnitha Adusumilli, Revin Chalil, Jilene Maldonado
This blog is co-authored by Rodrigo Souza. We are excited to announce that mirroring Azure Cosmos DB databases in Microsoft Fabric is now available to all customers. You can seamlessly bring your databases into Microsoft OneLake, enabling no-ETL, near real-time insights on your data. Many organizations want to transform their businesses by ...

How to use self-signed certificates to connect to Azure Managed Instance for Apache Cassandra

March 19, 2024 Mar 19, 2024 03/19/24
Alexander Laye
Azure Managed Instance for Apache Cassandra, a fully managed service, enables you to run Apache Cassandra workloads on Azure, freeing you from managing the infrastructure. In this blog post, I will show you how to use self-signed certificates to connect to your cluster and verify the identity of both the client and the server. What is a self-...

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

February 22, 2024 Feb 22, 2024 02/22/24
authorsSubhasish Ghosh, Theo van Kraay
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  ...

Azure Cosmos DB design patterns – Part 7: Materialized View

February 20, 2024 Feb 20, 2024 02/20/24
Jay Gordon
We’re excited to present the seventh edition of our blog series, dedicated to exploring design patterns in Azure Cosmos DB for NoSQL applications. Drawing from real-world customer experiences, our aim is to help you navigate the intricacies of JSON-based NoSQL databases. In this chapter, we delve deeper into prevalent NoSQL patterns, perfect...