Azure Cosmos DB Blog

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

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

November 15, 2023 Nov 15, 2023 11/15/23
authorsRicky Diep, Theo van Kraay
(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

September 7, 2023 Sep 7, 2023 09/7/23
Jay Gordon
(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

September 5, 2023 Sep 5, 2023 09/5/23
Subhasish Ghosh
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

July 11, 2023 Jul 11, 2023 07/11/23
Michal Toiba
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

April 4, 2023 Apr 4, 2023 04/4/23
Theo van Kraay
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

March 9, 2023 Mar 9, 2023 03/9/23
Michal Toiba
  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 ...

NoSQL vs. relational: Which database should you use for your app?

January 17, 2023 Jan 17, 2023 01/17/23
Michal Toiba
Microsoft recently announced the introduction of Azure Cosmos DB for PostgreSQL, a distributed relational database, making Azure the first cloud platform to offer support for both relational and NoSQL (non-relational) data in a single database service. This means Azure Cosmos DB developers now have ultimate flexibility when building cloud-...

Diagnosing & Troubleshooting 4 Common Client-side Issues in Azure Cosmos DB for NoSQL with Java SDK V4

December 1, 2022 Dec 1, 2022 12/1/22
Subhasish Ghosh
Introduction Knowing how to effectively troubleshoot Azure Cosmos DB for NoSQL client-side performance issues is critical for using the service. This blog post will show you how you can leverage the Diagnostics property in the Azure Cosmos DB for NoSQL Java SDK V4 so you can design and operate highly available and scalable mission-critical ...

More IntelliJ support for Azure Cosmos DB!

November 15, 2022 Nov 15, 2022 11/15/22
Theo van Kraay
In September we announced that the Azure ToolKit for IntelliJ plugin now includes support for Azure Cosmos DB. Check out that blog here. This month, we've added more features! IntelliJ IDEA is an integrated development environment (IDE) for Java, Kotlin, Groovy, and other JVM-based languages. The Azure plugin allows Java developers to ...

IntelliJ support for Azure Cosmos DB!

September 22, 2022 Sep 22, 2022 09/22/22
Theo van Kraay
We're excited to announce that the Azure ToolKit for IntelliJ plugin now includes support for Azure Cosmos DB! IntelliJ IDEA is an integrated development environment (IDE) for Java, Kotlin, Groovy, and other JVM-based languages. The Azure plugin allows Java developers to easily develop, configure, test, and deploy highly available and ...