AWS Database Blog

AWS Graviton5 is now available on Amazon RDS through the new M9g instance family. In this post, we benchmark M9g against the M6g, M7g, and M8g generations for Amazon RDS for PostgreSQL, measuring throughput, latency, and price-performance so you can decide whether an upgrade is worth it.

Learn how to use AWS Backup to rebuild a failed secondary replica in a SQL Server AlwaysOn Availability Group on Amazon EC2. We walk through capturing an application-consistent snapshot, restoring the EC2 instance, rejoining the Availability Group, and handling a broken LSN chain to reduce recovery time compared to a manual backup and restore.

Learn how to connect Amazon RDS for SQL Server diagnostic tools to AWS DevOps Agent through Amazon Bedrock AgentCore Gateway. MCP tools run in AWS Lambda behind a governed Gateway endpoint, and an investigation skill encodes your DBA team’s method so the agent can triage alarms and run autonomous, auditable database investigations.

Build a fully serverless recipe-sharing REST API in Go on Amazon Aurora DSQL, AWS Lambda, and Amazon API Gateway. Learn UUID primary keys for even write distribution, short-lived IAM token authentication, application-layer referential integrity, and automatic optimistic-concurrency retries, with a one-command CloudFormation deployment.

Move a single tenant’s data between Amazon Aurora MySQL clusters in two separate AWS accounts with no network route between them, using Aurora cloning, SELECT INTO OUTFILE S3, and LOAD DATA FROM S3. The clusters never connect, and one encrypted Amazon S3 staging bucket is their only shared touchpoint.

Learn how to combine the Amazon Aurora Global Database writer endpoint with IAM database authentication so that passwordless access survives a cross-Region switchover or failover with no configuration changes. This walkthrough signs the token for the dynamically discovered primary Region and scopes the policy to every Regional cluster resource ID.

Learn how to design and implement a multi-tenant CRM on Amazon Aurora DSQL using the pooled tenancy model. Tenant isolation is enforced in a centralized data-access layer, with Aurora DSQL-specific design considerations, and a working proof of concept you can deploy on Amazon ECS Express Mode.

Learn how to use an AI agent with AWS DMS Schema Conversion to assess and convert SQL Server database schemas from exported DDL scripts in Amazon S3, using offline source and virtual target mode. You can start migration planning before you have source database connectivity or a provisioned target.

PostgreSQL has no built-in Oracle AWR equivalent. This post shows how to build an AWR-style, snapshot-based performance report for Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL using pg_stat_statements and pg_cron, producing top-SQL, database-activity, wait-event, and load-profile reports between any two snapshot IDs, entirely in SQL.

On October 20, 2026, Amazon ElastiCache introduced online migration to ElastiCache Serverless for Valkey from self-managed Valkey and Redis OSS on Amazon EC2 with zero downtime. This post shows what’s supported at launch, how online migration works, and how to run a migration in the ElastiCache console.