AWS Database Blog

Amazon Relational Database Service (Amazon RDS) makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity. At the same time, it automates time-consuming administration tasks such as hardware provisioning, database setup, patching, and backups. It frees you to focus on your applications so you […]

Many IT organizations have run the Microsoft Windows Server 2008 R2 operating system, SQL Server 2008 and SQL Server 2008 R2 database systems for over a decade. End-of-support (EOS) dates are fast approaching (July 2019 for SQL Server and January 2020 for Windows Server). Thus, it’s critical these systems get upgraded to a supported version […]

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. February 9, 2024: Amazon Kinesis Data Firehose has been renamed to Amazon Data Firehose. Read the AWS What’s New post to learn more. When you use Amazon Elasticsearch Service (Amazon ES) for log data, you’re drinking from what usually becomes […]

August 2025: This post was reviewed for accuracy. In the previous blog post of this series, I discuss MySQL parameters used to optimize replication in Amazon Relational Database Service (Amazon RDS) for MySQL and best practices related to them. In today’s post, I discuss the most important and commonly used MySQL parameters for implementing various […]

This blog post was last reviewed and updated February, 2022. Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads. Data in Amazon DocumentDB is stored as JSON-like documents and maps naturally to how data is modeled in applications. This approach makes the storing, […]

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Today, Amazon Elasticsearch Service (Amazon ES) announced support for deploying your domains across three Availability Zones (AZ). This feature is available in all AWS Regions that support at least three Availability Zones. With this new feature, you can spread out your master […]

The team that supports the GUI wallet referenced in this blog have decided to sunset their “Ethereum Wallet” application. In the process they have introduced a breaking change that prevents successful implementation of the steps outlined below. You can use blockchain for use cases where multiple parties need to transact and share data in a […]

This blog post was last reviewed or updated May, 2022. In the previous blog post of this series, I discuss MySQL parameters used to tune and optimize Amazon Relational Database Service (Amazon RDS) for MySQL performance and best practices related to them. In today’s post, I discuss the most important MySQL parameters used for replication […]

September 2023 update: Version 3.0.3 of the MariaDB JDBC Driver (Connector/J) no longer supports Amazon Aurora. We recommend using the AWS Advanced JDBC Wrapper Driver . The Amazon Web Services JDBC Driver has been redesigned as an advanced JDBC wrapper. This wrapper is complementary to and extends the functionality of an existing JDBC driver to help an […]

This blog post talks about a tool that automates creation of AWS CloudFormation templates for AWS Database Migration Service (AWS DMS) tasks. If you are looking for how to create CloudFormation templates for your DMS tasks and don’t have knowledge of CloudFormation, read on. Many times during database migration activities where AWS DMS is involved, […]