Why Should You Use AWS DMS to Migrate Databases

Database migration is greatly optimized if you use AWS DMS (Amazon Web Service Database Migration Service), regardless of whether the data movement is from an on-premises server to the cloud or from one cloud provider to another.


AWS DMS enables data migration from NoSQL databases, data warehouses, and relational databases. You can carry out one-time migration of data or continuous migration of all changes subject to the source and the target databases being kept continually in sync.

Compared to the traditional database migration solutions, there are several benefits of using AWS DMS.

The first and most critical is the speed of migration when compared to the past methods. While previously additional hardware and software had to be installed for migration, AWS DMS provides fully-managed services including tracking, deploying, and setting up the infrastructure for migration once the software is configured.

You also get the benefit of unlimited storage options after migrating data using DMS. It is possible to scale up or down in data storage by paying only for the amount of storage capacity used. Additional storage to meet a spike in demand can be downloaded in minutes. This is against older systems when flat fees, regardless of the volume of storage used were charged.

Finally, an important feature of AWS DMS is the failover system. When an outage or data crash occurs in the primary server during migration, servers in secondary and remote locations are automatically triggered and the work is not disrupted. After the issue is resolved, the failover feature works in the reverse direction and all data changes that occurred during the break period are automatically updated in the primary server. 

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