AWS Database Blog
Amazon RDS Multi-AZ DB Clusters support new storage configurations
Amazon Relational Database Service (Amazon RDS) Multi-AZ DB Clusters are a great way to improve the performance and reduce the cost of demanding database workloads. Since RDS Multi-AZ DB Clusters were launched in March 2022, they have become an increasingly popular option for workloads that need more performance than a single RDS instance can support. […]
Upgrade from Amazon Aurora Serverless v1 to v2 with minimal downtime
April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. January 2024: This post was reviewed and updated for accuracy. When Amazon Aurora Serverless v1 came out, it was one of the most exciting new features of 2018. The ability to have a relational database without having to worry about paying for […]
Upgrade Amazon RDS for MySQL or MariaDB database schemas with minimal downtime
Modifying the schema of an SQL database can be time-consuming, resource-intensive, and error-prone, and often requires long application maintenance windows that negatively affect the end-user experience. Amazon Relational Database Service (Amazon RDS) for MySQL or MariaDB allows you to upgrade your schema while your application is still running, with minimal or zero downtime. In this post, […]
SCRAM Authentication in RDS for PostgreSQL 13
February 2023: This post was updated for accuracy. Please note that PostgreSQL 14 changes the default value for password_encryption to scram-sha-256. Therefore, after you upgrade from an earlier version to PostgreSQL 14, when you change a user password, the new password will use SCRAM encryption and your client libraries will need to support SCRAM in […]

