AWS Database Blog

Category: Migration & Transfer Services

Implement an automated approach for handling AWS DMS operational events

AWS Database Migration Service (AWS DMS) allows you to tackle the complex task of migrating both homogenous and heterogeneous database engines. As businesses evolve, the need to adopt the most suitable database engines for their unique requirements arises. This often leads to the coexistence of various database systems, presenting challenges when it comes to seamless […]

Archival solutions for Oracle database workloads in AWS: Part 1

This is a two-part series. In this post, we explain three archival solutions that allow you to archive Oracle data into Amazon Simple Storage Service (Amazon S3). In Part 2 of this series, we explain three archival solutions using native Oracle products and utilities. All of these options allow you to join current Oracle data with archived data.

Handle IDENTITY columns in AWS DMS: Part 1

In relational database management systems, an IDENTITY column is a column in a table that is made up of values generated automatically by the database at the time of data insertion. Although different systems handle the implementation of IDENTITY columns differently, they share some common characteristics. In most cases, the value of the IDENTITY column […]

Perform cross-account Amazon Aurora MySQL migration with minimal downtime

While managing databases at scale in AWS, there are certain scenarios where you may need to maintain an Amazon Aurora cluster in a single or multiple AWS accounts. These scenarios include but are not limited to mergers and acquisitions, consolidating all accounts to use only a single account, or compliance to maintain production and development […]

Speed up database migration by using AWS DMS with parallel load and filter options

Some migrations might take a long time because they have large tables. However, AWS Database Migration Service (AWS DMS) features such as parallel load and filters might be able to help speed up this process. AWS DMS is a data migration service that has robust features for supporting both homogenous and heterogeneous database migrations. AWS […]

AWS DMS key troubleshooting metrics and performance enhancers

In this post, we discuss AWS Database Migration Service (AWS DMS) and how you can use Amazon CloudWatch and logs to monitor the performance and health of a replication task. Additionally, we discuss how to set up CloudWatch Alarms for an AWS DMS task as well as instance related metrics that we configure to receive […]

Migrate Oracle database to Amazon RDS for Oracle over a database link for space savings and reclamation

Amazon Relational Database Service (Amazon RDS) for Oracle is a fully managed commercial database that makes it easy to set up, operate, and scale an Oracle database in the cloud. One of its features is storage auto scaling, which allows the database storage to grow automatically, as needed, up to the maximum capacity (64 TiB) […]

Achieve transaction consistency on your target database when using multiple tasks with AWS DMS replication

AWS Database Migration Service (AWS DMS) is used for multiple reasons, including migrating from on premises to AWS, migrating from Amazon Elastic Compute Cloud (Amazon EC2) to Amazon Relational Database Service (Amazon RDS), continuous replication from Amazon RDS to Amazon RDS, and continuous replication from Amazon RDS to Amazon Simple Storage Service (Amazon S3). When […]

Back up an AWS DMS task using the AWS CLI and a JSON processor

In this post, we demonstrate how to use the AWS Command Line Interface (AWS CLI) and jq (a JSON processor) to back up AWS Database Migration Service (AWS DMS) task settings and other artifacts to a file. This backup file could be modified (if required) and reused to setup a new AWS DMS task. One […]

Deploy AWS DMS in a multi-tiered secure network using an Nginx proxy server

This is a guest post by Hemalatha Katari, Solution Architect at Accenture, in partnership with AWS Partner Solutions Architect Rohit Satyanarayana. In this post, we discuss how to use AWS Data Migration Service (AWS DMS) to migrate your database while maintaining strict network segregation and network security requirements. We recently used this solution with a […]