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What is AWS Database Migration Service and how does it simplify cloud transitions?

Introduction

In this blog, we will explore the AWS Database Migration Service (AWS DMS) in detail. This managed service enables you to seamlessly and securely migrate your on-premises databases to the cloud. Now you can migrate just the data of an application between different platforms and OS versions without needing a full migration. This allows you to focus on the essential aspects of your migration that truly matter. 

What is AWS Database Migration Service(DMS)?

AWS Database Migration Service (AWS DMS) is a powerful cloud service that enables you to seamlessly migrate a variety of database types, including relational databases, data warehouses, NoSQL databases, and more.You can use AWS DMS to migrate your data into the AWS Cloud or between combinations of cloud and on-premises setups. The available databases include Redshift, DynamoDB, ElasticCache, Aurora, Amazon RDS, and DynamoDB.

[ Good Read: How to Build a Data Lakehouse Using Redshift + Iceberg on AWS]

Now let’s check why DMS is important

Why do we need Database Migration Service?

There are several reasons why you might need to use a database migration service like AWS Database Migration Service (DMS).

  • Reduced Downtime: Database migration services help reduce downtime when moving your data. By continuously replicating changes from the source database to the target database, they keep data synchronized. This ensures a smooth transition with minimal impact on your applications and users.
  • Security: Migration services typically provide security features such as data encryption, secure network connections, and compliance with industry regulations.
  • Cost Effectiveness: Data Migration Service offers a complimentary solution for seamlessly transitioning to DocumentDB, Redshift, Aurora, or DynamoDB(Supports Most Notable Databases). You must pay for other databases based on the volume of log storing and the computational load.
  • Scalability and Performance: Migration services are designed to handle large-scale migrations efficiently. They employ techniques such as parallel data transfer, data compression, and optimization algorithms to optimize performance and minimize migration time, allowing for faster and more efficient migrations.
  • Schema Conversion: During migration, AWS DMS has the capability to automatically adjust the source database schema so that it aligns perfectly with the target database schema. This eliminates the need for manual schema conversion, saving time and effort.

How Does AWS Database Migration Service Work?

Moving information from one database to the next is made possible by AWS DMS, a controlled and automatic migration service. If you are planning to migrate your database, then you should gather all the information required to successfully complete the project. I have segmented the database migration steps into three:

  • Pre-migration steps

Before moving forward with the database migration, it’s essential to carry out several key steps. This includes thorough planning, structuring, grasping the necessary requirements, and finalizing the details of the migration process.

  • Migration Steps

To successfully implement database migration, it is essential to follow a series of critical steps. Each step must be executed with clear accountability, ensuring that data governance roles are respected and potential migration risks are carefully managed.

  • Post-migration steps

After completing the database migration, there could be some issues that may not have been apparent during the process. It’s important to take these steps to ensure the migration concludes smoothly and without errors.

You can check more info about: what is aws database migration service.

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