AWS Database Blog
Category: PostgreSQL compatible
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 […]
Remediate object change notifications from Oracle to Amazon Aurora PostgreSQL or Amazon RDS for PostgreSQL
An Oracle to Amazon Aurora PostgreSQL-Compatible Edition or to Amazon Relational Database Service (Amazon RDS) for PostgreSQL migration is a multi-stage process with different technologies and skills involved, starting from the assessment stage to the cutover stage. For more information about the database migration process, refer to the following posts: Database Migration—What Do You Need […]
Manage collation changes in PostgreSQL on Amazon Aurora and Amazon RDS
In this post, we explore how text collations work in PostgreSQL, the effect on PostgreSQL when the collation changes, and how to detect these changes. We also review how Amazon Relational Database Service (Amazon RDS) and Amazon Aurora can help you manage collations using an independent default collation library, and future work in PostgreSQL on […]
Scale applications using multi-Region Amazon EKS and Amazon Aurora Global Database: Part 2
April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. This is the second in a two-part series about scaling applications globally using multi-Region Amazon Elastic Kubernetes Service (Amazon EKS) and Amazon Aurora Global Database. In Part 1, you learned the architecture patterns and foundational pillars of a multi-Region application design. In this […]
Generate Excel workbooks from Amazon RDS for PostgreSQL or Amazon Aurora PostgreSQL
July 2023: This post was reviewed for accuracy. When using databases, you may need to move data into different systems, including other databases or other tools, to perform different analysis. One method to do this is through flat files, such as comma-separated value lists (CSVs), as these let you transfer data in a common format […]
Upgrade Amazon Aurora PostgreSQL and Amazon RDS for PostgreSQL version 10
Amazon Aurora PostgreSQL-Compatible Edition and Amazon Relational Database Service (Amazon RDS) for PostgreSQL version 10 end of life is approaching. If you’re currently running your Aurora or RDS instances on PostgreSQL 10, you must upgrade your databases. Announcement: Amazon Aurora PostgreSQL 10.x end of life is January 31, 2023 Announcement: Amazon RDS for PostgreSQL 10.x […]
Partition existing tables using native commands in Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL
Customers use Amazon Relational Database Service (Amazon RDS) for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition for hosting their Online Transaction Processing (OLTP) database workloads. Considering the scale at which today’s applications operate, databases can grow to hundreds of terabytes in a very short span of time. Databases grow in size because the majority share of […]
Managed database backup and recovery in a multi-tenant SaaS application
April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. Exporting data or restoring to an earlier point in time are core capabilities that customers look for in a software as a service (SaaS) product. Database backup and recovery is vital to business continuity and regulatory compliance. You should understand how your […]
Validate database objects after migrating from SAP ASE to Amazon RDS for PostgreSQL or Amazon Aurora PostgreSQL
As part of this blog series, we previously covered database object validation for migrations from SAP ASE (previously known as Sybase ASE) as source to target databases like Amazon Relational Database Service(Amazon RDS) for SQL Server, Amazon RDS for MySQL, Amazon RDS for MariaDB, or Amazon Aurora MySQL-Compatible Edition. In the final post of this […]
Federated query support between SQL Server and Amazon Aurora PostgreSQL
When you have a business need to integrate the data between Microsoft SQL Server and Amazon Aurora PostgreSQL-Compatible Edition, you can use the open-source TDS_FDW PostgreSQL extension to create federation between these two databases. With TDS_FDW with Aurora PostgreSQL-Compatible, you can modernize and extend the functionality of your existing applications to meet changing business needs. […]









