Migrating Database Oracle to Amazon S3 with AWS DMS

 Amazon S3 (Simple Storage Service) offers unlimited and affordable storage facilities and is at the heart of data lakes in Amazon Web Service (AWS). A very popular source of data lakes is the Amazon RDS (Relational Database Service) for Oracle databases.

However, there are certain conditions for Oracle to S3 with AWS DMS. The target S3 bucket and AWS DMS have to be in same location where migration is to be carried out. There should also be an AWS account and an Amazon RDS for the Oracle database. 

Follow these steps for Oracle to S3 migration.

First, create an AWS Identity and Access Management (IAM) role to get to the target S3 bucket. Next, prepare the source for replicating Amazon RDS for the Oracle database. Create endpoints for AWS DMS instance as well as for a full load activity. Finally, have a CDC (Change Data Capture) task in place. Ensure that Amazon RDS and the Oracle database are used both in the same Region and the target S3 bucket.

How to optimize AWS DMS Oracle to S3 on Amazon S3? 

The first is to shift the on-premises database Oracle to Amazon RDS which is the most popular managed database service for Oracle. Whenever an Oracle database runs on the Amazon infrastructure, the complexities of database management are considerably reduced.
 
Second, run the EC2 compute instances and the Elastic Block Store (EBS) storage in the on-premises Oracle database. It has to be noted that when this is done it is necessary to replace the infrastructure of storage and servers with that of AWS.

This is how to make migrating database Oracle to S3 with AWS DMS easy and seamless.

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