AWS Database Blog

Optimize Amazon DynamoDB scan latency through schema design

In this post, we demonstrate how Amazon DynamoDB table structure can affect scan performance and offer techniques for optimizing table scan times. Amazon DynamoDB is a NoSQL database that allows for a flexible schema. This means that items in the same table may differ from each other in terms of what attributes are present for each […]

Python code to download DMS Task Logs using the AWS DMS Task ID

With AWS Database Migration Service (AWS DMS), you can migrate databases to AWS quickly and securely. In this post, we walk through the sample Python code required to download AWS DMS task logs on to your local computer using the AWS DMS task ID. Overview The DMS task logs contain task information logged during the […]

Migrating mission-critical SaaS production workloads to Aurora MySQL from RDS Classic

Sumo Logic started around the same time as the AWS stack was starting to mature. The company initially chose infrastructure that was tried and tested, but also cutting-edge at the time, namely Amazon RDS for MySQL instances. However, over time, that choice started to cost us a significant number of developer hours. Developers spent time […]

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 […]

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 […]

Leveraging SQLAgentOperatorRole in RDS SQL Server

This blog post was reviewed and updated May 2022, to improve readability by adding more step-by-step guidance. SQL Server is a relational database management system developed by Microsoft. Amazon RDS for SQL Server makes it easier to setup, operate, and scale SQL Server deployments in the Cloud. One of the RDS SQL Server components is […]

Level Up Your Games with Amazon Aurora

Dhruv Thukral and Yahav Biran are solutions architects at Amazon Web Services. Amazon Aurora is a relational database that combines the speed and reliability of high-end commercial databases with the simplicity and cost-effectiveness of open-source databases. Amazon Aurora offers two types of modes: provisioned and serverless. AWS gaming customers that use Aurora have typically observed higher […]

How SimilarWeb moved to Amazon DynamoDB from Couchbase and saved 70%

This is a guest blog post by Doron Grinzaig, a software developer at SimilarWeb, in partnership with AWS solutions architect, Leonid Koren, and AWS senior technical account manager, Ziv Shenhav. NoSQL databases are a great fit for many modern mobile, web, and gaming applications that require scalable, flexible, and highly functional databases. However, NoSQL databases by […]

Upgrade your end-of-support SQL Server instances in VMware Cloud on AWS with ease

If you still have Microsoft SQL Server 2008 and 2008 R2 instances deployed, now is the time to upgrade them. Microsoft end of support (EoS) date for each is almost upon us—July 9, 2019. This means that after that there are no further security updates, which has security and also compliance implications, so don’t wait! Today, I’m excited […]