AWS Database Blog

Category: Foundational (100)

Choose shard keys to optimize Amazon DocumentDB Elastic Clusters

As applications grow, data grows as well, so it’s imperative for a modern cloud-based application to have a database that can automatically scale. Amazon DocumentDB (with MongoDB compatibility) is a fully managed, native JSON database built with a flexible schema for enterprise applications that decouples storage and compute, improving scalability and reducing time-consuming administrative tasks. […]

Achieve up to 17x lower replication lag with the new write-through cache for Aurora PostgreSQL

Amazon Aurora PostgreSQL-Compatible Edition recently added the logical replication write-through cache. The logical replication write-through cache helps improve performance by reducing the amount of Aurora storage I/O that takes place during logical decoding. When you use the write-through cache, the logical decoder looks in the cache first for data to satisfy queries; if the data is […]

Amazon Keyspaces (for Apache Cassandra) re:Invent 2022 recap

The Amazon Keyspaces team had a great time meeting with many of you at AWS re:Invent 2022. It was particularly exciting to experience re:Invent at its peak in-person attendance. The team enjoyed listening to your feedback and use cases, and understanding what you want us to build next. We work backwards from these conversations and feedback […]

AWS SCT now supports IBM DB2 for z/OS as a source

You can now use AWS Schema Conversion Tool (AWS SCT) to streamline a migration project from Db2 for z/OS (v12) to Amazon Relation Database Services (Amazon RDS). The list of supported targets for this source in AWS SCT is: Amazon Relational Database Service (Amazon RDS) for MySQL Amazon Aurora MySQL-Compatible Edition Amazon Relational Database Service […]

Overview of building resilient applications with Amazon DynamoDB global tables

AWS Senior Principal Solutions Architect Randy DeFauw has written a four-part series about how to use Amazon DynamoDB global tables as part of your strategy to build resilient, multi-Region applications that have the lowest possible recovery time objective and recovery point objective. This post summarizes each post in the series and provides a single link […]

How Etleap uses AWS DMS to make data analytics pipelines easy and robust

This blog post was co-written with Archie Menzies from Etleap. You can use AWS Database Migration Service (AWS DMS) as a robust and configurable solution for change data capture (CDC) from all major databases into AWS. In this post, we discuss how Etleap integrates AWS DMS into its AWS-native ETL/ELT solution, and the usability features […]

Why Reltio chose an all-in migration to Amazon DynamoDB

“Reltio’s ability to drive innovation on behalf of their customers exemplifies how cloud-native businesses can leverage AWS to deliver differentiated solutions. Through collaboration in both technology development and go-to-market efforts, Reltio’s partnership with AWS continues to strengthen their position as an industry-leading master data management solution.” -Amine Chigani, AWS Global Head of Enterprise Technologists Amazon […]

Options to run deprecated major versions of Oracle databases on AWS

Oracle Database version 12c is past end of support, as announced by Oracle. Oracle 12c Release 1 (12.2.0.1) stands unsupported beyond March 31, 2022, and Oracle 12c Release 2 (12.1.0.2) is unsupported beyond July 31, 2022. After these dates, Oracle no longer releases Critical Patch Updates for these versions. To ensure that our customers continue […]