AWS Database Blog

Category: Amazon Aurora

We can also connect to the Aurora PostgreSQL cluster with the special endpoint without a password from the pgAdmin application.

Using external Kerberos authentication with Amazon Aurora PostgreSQL

In the first post in this series, Preparing on-premises and AWS environments for external Kerberos authentication for Amazon RDS, we built the infrastructure for a one-way forest trust between an on-premises Microsoft Active Directory (AD) domain (trust: incoming) and an AWS Managed Microsoft AD domain (trust: outgoing) provided by AWS Directory Service. In this post, […]

The following screenshot shows that external Kerberos authentication works for the special instance endpoint in pgAdmin for Amazon RDS for PostgreSQL created in aws-acc-1 and aws-acc-2.

Using external Kerberos authentication with Amazon RDS for PostgreSQL

In the first post in this series, Preparing on-premises and AWS environments for external Kerberos authentication for Amazon RDS, we built the infrastructure for a one-way forest trust between an on-premises Microsoft Active Directory (AD) domain (trust: incoming) and an AWS Managed Microsoft AD domain (trust: outgoing) provided by AWS Directory Service. In this post, […]

The DataFileRead event highlights the waiting for a read from a relation data file.

Performance impact of idle PostgreSQL connections

July 2023: This post was reviewed for accuracy. The first post of this series, Resources consumed by idle PostgreSQL connections, talked about how PostgreSQL manages connections and how even idle connections consume memory and CPU. In this post, I discuss how idle connections impact PostgreSQL performance. Transaction rate impact When PostgreSQL needs data, it first […]

The following Amazon CloudWatch metrics show the connections count (DatabaseConnections) and memory utilization (FreeableMemory) on an RDS PostgreSQL instance.

Resources consumed by idle PostgreSQL connections

July 2023: This post was reviewed for accuracy. PostgreSQL is one of the most 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 complex data workloads. AWS provides two managed PostgreSQL options: Amazon […]

Ensuring consistent performance after major version upgrades with Amazon Aurora PostgreSQL Query Plan Management

Keeping your database version up to date provides benefits like improved performance and security, access to new features, fixes to known issues, compliance with regulatory requirements, and more. However, there is also a risk of some queries experiencing performance regression following a database upgrade. This risk is higher with major version upgrades because they can […]

Federated query support for Amazon Aurora PostgreSQL and Amazon RDS for PostgreSQL – Part 1

PostgreSQL is one of the most widely used database engines and is supported by a very large and active community. It’s a viable open-source option to use compared to many commercial databases, which require heavy license costs. Amazon Relational Database Service (Amazon RDS) for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition are AWS managed offerings that […]

Creating an Amazon CloudWatch dashboard to monitor Amazon RDS and Amazon Aurora MySQL

July 2023: This post was reviewed for accuracy. Amazon Relational Database Service (Amazon RDS) makes it easy to set up, operate, and scale a relational database in the cloud. A highly performant database is key to delivering latency SLAs, so monitoring is critical. Amazon CloudWatch is a monitoring and observability service built for DevOps engineers, […]

Best practices for working with Amazon Aurora Serverless v1

April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. Important AWS has announced the end-of-life date for Aurora Serverless v1: March 31st, 2025. We strongly recommend upgrading any Aurora Serverless v1 DB clusters to Aurora Serverless v2 before that date. The upgrade can involve a change in the major version number […]

Explore what’s in store for Amazon RDS at re:Invent 2020

April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. Join us at re:Invent 2020, a free 3-week virtual conference, from November 30 to December 18. This year’s virtual conference is going to be the industry event of the year, offering five keynotes, 18 leadership sessions, and unlimited access to hundreds of […]

Exploring frequently asked questions with AWS Database Solutions Architects

July 2023: This post was reviewed for accuracy. At Amazon, we listen to our customers and work backward from your needs. Our AWS Database Specialist Solutions Architect team helps you architect your database landscape. In this post, we address 11 frequently asked questions with videos from our Database Specialist Solutions Architects. Let’s begin the learning […]