![]() ![]() pg_restore imports data from the file created by pg_dump into the Aurora database. pg_dump exports the data from the source database into a file that can be easily imported into other PostgreSQL databases, including Aurora. pg_dump and pg_restore are the native PostgreSQL tools used to export the data from the on-premises PostgreSQL database and import it into the Aurora database. Where bastion host is used to provide a secure way to access the on-premises PostgreSQL database and perform the operations such as taking a backup of the database. In this architecture, everything remains the same, except instead of AWS DMS, we have Bastion host and PostgreSQL native tools such as pg_dump and pg_restore. AWS DMS reads data from your on-premises database, transforms it if necessary, and writes it to your Amazon Aurora database. Use AWS DMS to perform the actual data migration. Note: If you are thinking about how to connect the private subnet to the Internet gateway, here’s the link you can follow: ĥ. Connect your on-premises database, which is PostgreSQL in our case, to the AWS cloud using an internet gateway.Set up a firewall to control access to your on-premises database and to ensure that only authorized users can access the data.Set up an Amazon Aurora PostgreSQL database within the private subnet.Set up a virtual private cloud (VPC) and private subnet within the AWS cloud to host your Amazon Aurora database. ![]() The data migration process using AWS DMS typically involves the following steps: While migrating using AWS DMS, you don’t have to worry about certain things such as Data type conversions DMS can automatically convert data types between source and target databases, Data replication, and on top of it provides Monitoring and reporting, so you can track the progress of your migration and troubleshoot any issues that arise. DMS supports several database engines such as a source and target, including Amazon Aurora, Oracle, SQL Server, MySQL, PostgreSQL, and even NoSQL databases such as MongoDB. AWS Database Migration Service (DMS) is a fully managed service that makes it easy to migrate services to the cloud. Before going into the data migration process, Let’s understand what AWS DMS is.
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