Continuous priming optimizes Hyperscale performance during failovers

Hyperscale increased log generation rate
May 2025

• The transaction log generation rate in Azure SQL Database Hyperscale single databases has been increased from 100 MiB/s to 150 MiB/s for premium-series and premium-series memory optimized hardware. For more information, read Blog: Enhancements to Azure SQL Database Hyperscale.

Hyperscale continuous priming
May 2025

• Continuous priming optimizes Hyperscale performance during failovers by priming high availability secondary compute replicas. Continuous priming is now generally available. For more information, read Blog: Enhancements to Azure SQL Database Hyperscale.

JSON native data type
May 2025

• The json data type and JSON aggregate functions provide new capabilities for handling semistructured data in Azure SQL Database.