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AWS Database Migration Service (DMS)

Introduction

Moving your databases can often feel daunting, but AWS Database Migration Service (DMS) makes it a breeze. This service allows you to create, analyze, transform, and migrate your databases and analytics platforms all from one intuitive interface. It’s designed to save you time, resources, and money while keeping application downtime to a minimum, depending on your source database. DMS supports a wide range of both commercial and open-source databases, so you can rest assured that your needs will be met.

In this blog, we’ll dive deep into the AWS Database Migration Service. This managed service is the perfect solution for migrating your on-premises databases to the cloud smoothly and securely.

Source: OpsTree 

What is AWS Database Migration Service (DMS)?

AWS Database Migration Service (AWS DMS) is a robust cloud service designed for migrating various types of databases, including relational databases, data warehouses, and NoSQL databases. With AWS DMS, you can effortlessly transfer your data into the AWS Cloud or between different cloud and on-premises configurations. Supported databases range from Redshift, ElasticCache, and Aurora to Amazon RDS and DynamoDB.

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Why Do We Need Database Migration Service?

There are many reasons to consider using a database migration service like AWS DMS.

Reduced Downtime: With database migration services, you'll experience less downtime when transferring your data. These services continuously replicate changes from your source database to the target one, ensuring everything stays synchronized. This facilitates a smooth transition with minimal disruption to your applications and users.

Security: Most migration services come equipped with essential security features including data encryption, secure network connections, and adherence to industry regulations, ensuring your data remains protected throughout the process.

Cost Effectiveness: Our Data Migration Service offers a complimentary solution for transitioning to DocumentDB, Redshift, Aurora, or DynamoDB, covering most prominent databases. Unlike other databases where costs depend on log storage volume and computational load, our service keeps expenses predictable.

Scalability and Performance: Designed to efficiently manage large-scale migrations, migration services utilize strategies like parallel data transfer, data compression, and optimization algorithms. This not only enhances performance but also reduces migration time, allowing for quicker and more efficient transitions.

Schema Conversion: AWS DMS simplifies the migration process by automatically aligning your source database schema with the target database schema. This capability removes the need for manual schema adjustments, saving you time and effort.

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How Does AWS Database Migration Service Work?  

AWS DMS is a controlled, automated migration service that facilitates moving data from one database to another. If you're considering a database migration, it’s important to gather all the necessary information for a successful project. I’ve broken down the database migration steps into three phases for clarity.

Pre-Migration Steps

Before diving into the database migration, it’s crucial to take a step back and carry out some key preparatory actions. This involves comprehensive planning, organizing your structure, understanding the necessary requirements, and finalizing the intricate details of the migration process.

Migration Steps

To ensure a successful database migration, it’s vital to adhere to a series of essential steps. Each of these steps should be executed with clear accountability, guaranteeing that data governance roles are upheld and that any potential migration risks are effectively managed.

Post-Migration Steps

Once the database migration is complete, you may encounter issues that weren’t immediately visible during the process. It’s important to take certain steps to guarantee that the migration wraps up effectively and without errors.

Reference and Sources

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