In this blog, we are going to learn in-depth about ” AWS Database Migration Service(AWS DMS).” It is a managed service that allows you to migrate your on-premise databases to the cloud easily and safely. Without having to perform a full migration, you can now migrate just the data of an application across different platforms and OS versions. As a result, you’ll be able to concentrate your attention on the aspects of your migration that are critically necessary.

What is AWS Database Migration Service(DMS)?

AWS Database Migration Service (AWS DMS) is a cloud service that makes it possible to migrate relational databases, data warehouses, NoSQL databases, and other types of data stores. You can use AWS DMS to migrate your data into the AWS Cloud or between combinations of cloud and on-premises setups. The databases that are offered include Redshift, DynamoDB, ElasticCache, Aurora, Amazon RDS, and DynamoDB.

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 minimize downtime during the migration process. By continuously replicating changes from the source database to the target database, they ensure that data remains synchronized, allowing for a seamless transition with minimal disruption to 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 is a free migration solution for switching 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: AWS DMS can automatically convert the source database schema to match the target database schema during migration. 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
These steps should be taken before actually migrating the database, which will include basic planning, structuring, understanding the requirements, and finalizing the move.

Migration Steps
These are the steps that are to be taken while implementing database migration. These steps should be accomplished with proper accountability taking utmost care about data governance roles, risks related to migration, etc.

Post-migration steps
Once db migration is complete, there might be some issues that would have gone unnoticed during the process. These steps would be necessarily taken to ensure that the migration process gets over in an error-free manner.

Now let’s move forward to use cases of DMS!

You can check more info about: Database Migration Service in AWS.

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