AWS Database Blog

Category: Amazon DynamoDB

Use Amazon DynamoDB global tables in DynamoDB Shell

Global tables build on the global Amazon DynamoDB footprint to provide you with a fully managed, multi-Region, multi-active database that delivers fast, local, read and write performance for massively scaled, global applications. Global tables replicate your DynamoDB tables automatically across your choice of AWS Regions. DynamoDB Shell is an interactive command line interface for DynamoDB. […]

Understanding Amazon DynamoDB latency

Amazon DynamoDB uses horizontal scaling to support tables of virtually any size. In addition to horizontal scaling, DynamoDB provides single-digit millisecond performance for workloads of all sizes. Retail sites like Amazon.com use DynamoDB for their shopping carts and workflow engines. A slow response while processing an order can not only be frustrating to customers, but […]

How Getir build a comprehensive fraud detection system using Amazon Neptune and Amazon DynamoDB

This is a guest post co-authored by Berkay Berkman, Yağız Yanıkoğlu, Mutlu Polatcan, Mahmut Turan, Umut Cemal Kıraç from Getir. Getir is an ultrafast delivery pioneer that revolutionized last-mile delivery in 2015 with its 10-minute grocery delivery proposition. Getir’s story started in Istanbul, and they launched operations in the UK, Netherlands, Germany, France, Spain, Italy, […]

How to use Amazon CloudWatch to monitor Amazon DynamoDB table size and item count metrics

Amazon DynamoDB sends metrics about its operations to Amazon CloudWatch. At the time of this writing, the list includes 33 metrics including: throughput consumed and provisioned, account and table limits, request latencies, system errors, and user errors. Two metrics not included are the DynamoDB table size and item count. These values can be observed in […]

Implement resource counters with Amazon DynamoDB

When developing applications, you often need to implement a counter to accurately track actions such as votes cast, the available quantity of a resource in an eCommerce store, or tickets available for an event. These counters must be updated as the resource quantity changes. In this post, we explore seven approaches to implementing resource counters […]

Friend microservices using Amazon DynamoDB and event filtering

The gaming industry has evolved significantly over the past few years. A feature that has become essential to that evolution is to be friends with other players and play together in the same game. From the players’ point of view, the process to become friends is straightforward. A player sends a friend request to another, […]

Implement vertical partitioning in Amazon DynamoDB using AWS Glue

In this post, we show you how to use AWS Glue to perform vertical partitioning of JSON documents when migrating document data from Amazon Simple Storage Service (Amazon S3) to Amazon DynamoDB. You can use this technique for other data sources, including relational and NoSQL databases. DynamoDB can store and retrieve any amount of data, […]

Use Region pinning to set a home Region for items in an Amazon DynamoDB global table

Amazon DynamoDB global tables provide a fully managed, scalable solution for deploying a multi-Region, multi-active database that’s replicated across multiple AWS Regions. Global tables allow applications to read and write data to a table, with the data automatically replicated across all Regions that are associated with that table. Global tables are ideal for applications that […]

Migrate an internet-scale online transactional system to Amazon DynamoDB using AWS DMS

Database migration is a complex process that usually involves capacity planning, data migration and cutover strategies, hardware and software procurement, and a lengthy debugging and testing schedule. The common challenge in migrating from a relational database to a non-relational database is selecting the appropriate modeling technique and migration technologies. This is the second part of […]

How to use deletion protection to enhance your Amazon DynamoDB table protection strategy

Authorized Amazon DynamoDB users can perform actions against tables using the AWS Management Console, API, AWS CLI/SDK, or AWS CloudFormation. One of many possible operations that authorized users can perform is deleting a table. During the course of regular table management operations, authorized users might accidentally delete a table. Accidental deletion of a table can […]