Category: Intermediate (200)

We are excited to announce a new feature in Amazon DynamoDB that enhances the developer experience by simplifying the handling of ConditionalCheckFailedException. The new ReturnValuesOnConditionCheckFailure parameter for single write operations lets you return a copy of an item as it was during a failed write attempt, reducing the need for a read request if you want to investigate […]

Customers are opting to replicate their critical workloads to Amazon Aurora PostgreSQL-Compatible Edition for ease of use, minimal operational overhead and the ability to break free from commercial licenses. In this post, we explain the high-level steps to migrate data from a highly available on-premises Microsoft SQL Server AlwaysOn secondary read-only database to Amazon Aurora […]

In this post, we show you common use cases for Amazon Neptune Serverless, and how you can optimize for both cost and performance by following recommended best practices. Amazon Neptune is a fully managed database service built for the cloud that makes it easier to build and run graph applications. It supports both RDF and […]

In this series of posts, we provide prescriptive guidance in secure operation of Ethereum validator keys using AWS Nitro Enclaves for node operators who provide staking pools and staking-as-a-service. In this post (Part 1), we explain why AWS Nitro Enclaves are well suited to run Ethereum validators in a secure fashion and we provide a […]

Recently one of our customers, asked us to help them encrypt their unencrypted Amazon Relational Database Service (Amazon RDS) for PostgreSQL. In this post, we show a solution to create an encrypted database from their existing unencrypted database and cut over with the least disruption to applications. This solution uses database Snapshot and PostgreSQL logical […]

Customers often use a caching service like Amazon ElastiCache to boost application performance and scale. In this post, we go over 5 different recommendations to optimize the cost of your Amazon ElastiCache for Redis clusters. Amazon ElastiCache for Redis, a fully managed caching service, is a cost-effective solution that provides ultra-fast response for modern applications. […]

DynamoDB Shell is (ddbsh) an open-source command line interface for Amazon DynamoDB. For a simple introduction, refer to Query data with DynamoDB Shell – a command line interface for Amazon DynamoDB. The ddbsh README.md file has detailed command and usage examples. One of the objectives of ddbsh is to provide a simple and intuitive environment […]

Amazon Relational Database Service (Amazon RDS) is a managed relational database service offering. The managed service automation of Amazon Web Services (AWS) takes care of installation, storage provisioning, storage management, OS and database patching, and snapshot and restore of database instances. Offloading the undifferentiated heavy lifting of database infrastructure management to AWS helps you focus […]

Amazon Relational Database Service (Amazon RDS) makes it easy to set up, operate, and scale deployments of MySQL and MariaDB in the cloud. Amazon RDS customers run different types of workloads on Amazon RDS for MySQL and Amazon RDS for MariaDB. You can use read replicas to scale read options of their workloads, but scaling […]

July 2024: This post was reviewed and updated for accuracy. Amazon DynamoDB customers often need to work with dates and times in DynamoDB tables. Querying tables on the basis of year, month, day, or even hours and minutes for real-time workloads has become a necessity for organizations. Therefore, it’s important to be able to query […]