AWS Database Blog

Tag: Aurora PostgreSQL

Migrating PostgreSQL from on-premises or Amazon EC2 to Amazon RDS using logical replication

PostgreSQL is one of the most advanced popular open-source relational database systems. With more than 30 years of development work, PostgreSQL has proven to be a highly reliable and robust database that can handle a large number of complicated data workloads. For many, PostgreSQL is the open-source database of choice when migrating from commercial databases […]

Common administrator responsibilities on Amazon RDS and Amazon Aurora for PostgreSQL databases

Amazon Web Services (AWS) offers Amazon Relational Database Service (RDS) and Amazon Aurora as fully managed relational database services. With a few commands, you can have your production database instance up and running on AWS. An online database frees the database administrator (DBA) from many maintenance and management tasks. However, there are a few significant […]

Achieving minimum downtime for major version upgrades in Amazon Aurora for PostgreSQL using AWS DMS

AWS provides two managed PostgreSQL options: Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL. When Amazon RDS or Aurora support a new major version of a database engine, for example, PostgreSQL 10 to 11, you can upgrade your DB instances to the new version. Major version upgrades can contain database changes that may not be […]

Converting the SYSDATE function from Oracle to PostgreSQL

July 2023: This post was reviewed for accuracy. An Oracle to PostgreSQL migration in the AWS Cloud can be a complex, multistage process with different technologies and skills involved, starting from the assessment stage to the cutover stage. For more information about the migration process, see Database Migration—What Do You Need to Know Before You […]

Recap of Amazon RDS and Aurora features launched in 2019

Updated 04/2022 to reflect product changes. 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 […]

PostgreSQL 12 – A deep dive into some new functionality

The PostgreSQL community continues its consistent cadence of yearly major releases with PostgreSQL 12. PostgreSQL 12 introduces features opening up new development opportunities while simplifying the management of some already robust capabilities, such as new ways to query JSON data, enhancements to indexes, and better performance with partitioned tables. In this post, I take a […]

Aurora PostgreSQL Disaster Recovery solutions using Amazon Aurora Global Database

Amazon Aurora with PostgreSQL compatibility combines the performance and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases. Aurora provides this by scaling storage across three Availability Zones in the same Region, and supports up to 15 read replica instances for scaling out read workloads and high availability within a […]

Migrating legacy PostgreSQL databases to Amazon RDS or Aurora PostgreSQL using Bucardo

If you are using PostgreSQL earlier than 9.4, you are using an unsupported version of PostgreSQL, and may have limited options to migrate or replicate your databases in Amazon RDS or Amazon Aurora PostgreSQL. This is primarily because PostgreSQL versions older than 9.4 can’t perform logical replication. Bucardo is an open-source utility that can replicate […]

Introduction to Aurora PostgreSQL cluster cache management

Amazon Aurora is a relational database service that combines the speed and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases. The PostgreSQL-compatible edition of Aurora delivers up to three times the throughput of standard PostgreSQL running on the same hardware. This enables existing PostgreSQL applications and tools to run […]

Securing Amazon RDS and Aurora PostgreSQL database access with IAM authentication

AWS provides two managed PostgreSQL options: Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL. Both support IAM authentication for managing access to your database. You can associate database users with IAM users and roles to manage user access to all databases from a single location, which avoids issues caused by permissions being out of sync […]