AWS Database Blog

Tag: Aurora PostgreSQL

Validating database objects after migration using AWS SCT and AWS DMS

Database migration can be a complicated task. It presents all the challenges of changing your software platform, understanding source data complexity, data loss checks, thoroughly testing existing functionality, comparing application performance, and validating your data. AWS provides several tools and services that provide a pre-migration checklist and migration assessments. You can use the AWS Schema […]

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Reducing Aurora PostgreSQL storage I/O costs

Cost reduction is one of the biggest drivers for many IT departments to explore migration of on-premises workloads to the cloud. This post shares experiences in cost management, with a focus on Amazon Aurora PostgreSQL tuning. History I recently had the privilege of leading the implementation of our Auto Telematics Application in AWS. To provide […]

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Optimizing and tuning queries in Amazon RDS PostgreSQL based on native and external tools

PostgreSQL is one of the most popular open-source relational database systems. The product of 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. PostgreSQL is considered to be the primary open-source database choice when migrating from […]

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Best practices for Amazon RDS PostgreSQL replication

Amazon RDS for PostgreSQL enables you to easily configure replicas of your source PostgreSQL instance to clear your read load and to create disaster recovery (DR) resources. You can configure Read Replicas within the same Region as the source or in a different Region. When you use an RDS PostgreSQL Read Replica instance, you both […]

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Use cases for query plan management in Amazon Aurora PostgreSQL

This blog post is the second in a series. The previous blog post talks about the need for the stable, consistent database performance amid changes that otherwise can cause regression on execution plans of the SQL statements. It also demonstrates how query plan management (QPM) for Amazon Aurora with PostgreSQL compatibility helps you overcome plan […]

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Introduction to Aurora PostgreSQL Query Plan Management

Like all AWS services, the roadmap for Amazon Aurora PostgreSQL is driven mostly by customer feedback and requests for product enhancement. The feedback from several enterprise customers who have migrated their databases from Oracle and Microsoft SQL Server to Amazon Aurora suggests two things. Enterprises that run their database workloads for critical applications require optimal […]

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Deploy an Amazon Aurora PostgreSQL DB cluster with recommended best practices using AWS CloudFormation

In this blog post, I cover how to build a quick start reference deployment of Amazon Aurora PostgreSQL cluster. The cluster is based on AWS best practices for security and high availability and you can create it quickly by using AWS CloudFormation. I walk through a set of sample CloudFormation templates, which you can customize […]

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How to solve some common challenges faced while migrating from Oracle to PostgreSQL

Companies are experiencing exponential data growth year-over-year. Scaling the databases and the hardware infrastructure to keep up is becoming more and more challenging. If your workloads just are not suitable for non-relational data stores, how do you overcome the scaling challenges without spending tons of money in managing the underlying infrastructure? Amazon RDS for PostgreSQL and Amazon […]

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Best practices for migrating an Oracle database to Amazon RDS PostgreSQL or Amazon Aurora PostgreSQL: Target database considerations for the PostgreSQL environment

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. This blog post is the third in a series that discusses high-level aspects about the components to consider for a database migration. The series doesn’t […]

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Best practices for migrating an Oracle database to Amazon RDS PostgreSQL or Amazon Aurora PostgreSQL: Source database considerations for the Oracle and AWS DMS CDC environment

An Oracle to PostgreSQL migration in AWS Cloud can be a complex multistage process with different technologies and skills involved, starting from the assessment stage to the cutover stage. To better understand details of the complexities involved, see the AWS Database Blog post Database Migration—What Do You Need to Know Before You Start? This blog […]

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