AWS Database Blog

In this post, we discuss how to determine the causes of an INCOMPATIBLE_CREATE state of an RDS Custom instance because of incorrect instance profile permissions.

Amazon DocumentDB now supports authentication of database users using IAM – users and applications can authenticate to Amazon DocumentDB clusters using IAM users and roles. In this post, we discuss this new feature and provide you resources on how to enable IAM authentication in your Amazon DocumentDB cluster.

Amazon RDS for Db2 is the latest addition to the Amazon RDS family of database engines. When it comes to selecting the relational database to migrate data from Db2 for z/OS, RDS for Db2 provides the best compatibility among other relational database management systems (RDBMSs) thereby minimizing the migration effort and timelines. In this post, we outline the migration methodology for converting schema and data from Db2 on z/OS to RDS for Db2.

Whether you’ve used DynamoDB for a day or a decade, this question has no practical relevance. As a serverless database, DynamoDB doesn’t have a version. DynamoDB has had no version upgrades, no maintenance windows, no patching, and no downtime due to maintenance since launching in January 2012. You access new DynamoDB features as they become […]

In this post, we discuss the challenges with traditional data analytics mechanisms, our approach to solve them, and how you can use Amazon Aurora PostgreSQL-Compatible Edition zero-ETL integration with Amazon Redshift, which is generally available as of October 15th, 2024.

In this post, we explore how to import pre-generated Amazon Personalize recommendations into Amazon DynamoDB.

This post is a follow-up to How Zendesk tripled performance by moving a legacy system onto Amazon Aurora and Amazon Redshift. In this post, we go over the techniques we used to plan and upgrade major versions of Aurora PostgreSQL databases for Zendesk Explore with minimal customer downtime. We also discuss the performance optimizations we performed, the cost savings we achieved, and how we accomplished all of this within a period of 6 months. AWS Technical Account Managers played a significant role in helping us achieve these goals in a short period of time. The upgrade was performed successfully and without customer downtime.

Today, Amazon MemoryDB announces support for Valkey version 7.2, with 30% lower instance hour pricing as compared to Amazon MemoryDB for Redis OSS. With MemoryDB for Valkey, there is no charge for data written up to 10 TB per month, and then billed at $0.04/GB for any data written over 10 TB. Valkey is an […]

Today, Amazon ElastiCache announces support for Valkey version 7.2 with Serverless priced 33% lower and self-designed (node-based) clusters priced 20% lower than other supported engines. With ElastiCache Serverless for Valkey, customers can create a cache in under a minute and get started as low as $6/month. Valkey is an open source, high performance, key-value datastore […]

As of October 8th 2024, we’ve added support for Valkey 7.2 on Amazon ElastiCache and Amazon MemoryDB, our fully managed in-memory services. In this post, we discuss the AWS contributions to Valkey, AWS commitment to making Valkey more accessible for ElastiCache and MemoryDB customers, and how customers can start using it in their applications.