ReleaseBytes
aws AWS What's New ·

Amazon RDS improves IAM database authentication with connection rate scaling

securityawsengineeraws-rdsaws-iam
feature

Amazon RDS now dynamically scales IAM database authentication connection rates based on instance resources. This enhancement is crucial for enterprise workloads needing to support high-volume connection patterns with IAM authentication. The scaling capability is available across all AWS Regions for supported RDS and Aurora engines. Reusing IAM principals or authentication tokens is recommended for optimal performance.

  • →Dynamic connection rate scaling for IAM database authentication
  • →Performance scales with instance resources
  • →Availability for IAM database authentication enhancements
Features (1) ›
  • Dynamic connection rate scaling for IAM database authentication

    Amazon RDS now dynamically scales the connection rate for IAM database authentication based on available instance resources. This allows IAM authentication to handle high-volume connection patterns for enterprise workloads.

Enhancements (1) ›
  • Performance scales with instance resources

    IAM database authentication performance now scales with available instance resources, adapting to workload characteristics. Optimal performance can be achieved by reusing IAM principals or authentication tokens when possible.

Notes (1) ›
  • Availability for IAM database authentication enhancements

    This update is available in all AWS Regions, including AWS GovCloud (US) Regions, for Amazon Aurora and Amazon RDS database engines supporting IAM database authentication, such as PostgreSQL, MySQL, and MariaDB.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/06/amazon-rds-iam/

Related releases