Azure Cosmos DB Blog

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

partitioning - Azure Cosmos DB Blog

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

November 2, 2021 Nov 2, 2021 11/2/21
Rodrigo Souza
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.

Now in private preview: optimize your data distribution with hierarchical partition keys

August 12, 2021 Aug 12, 2021 08/12/21
Deborah Chen
Hierarchical partition keys are now available in private preview for the Azure Cosmos DB Core (SQL) API. With hierarchical partition keys, also known as sub-partitioning, you can now natively partition your container with up to three levels of partition keys. This enables more optimal partitioning strategies for multi-tenant scenarios or ...