Introduction
Oracle Cloud Infrastructure GoldenGate is a fully managed, native cloud service that moves data in real-time, at scale. OCI GoldenGate processes data as it moves from one or more data management systems to target databases. You can also design, run, orchestrate, and monitor data replication, transform data, and analyse streaming data in real-time without allocating or managing any compute environments.
OCI Database with PostgreSQL is a fully managed PostgreSQL-compatible service with intelligent sizing, tuning, and high durability. The service automatically scales storage as database tables are created and dropped, making management easier and optimizing storage spent. Data is encrypted both in-transit and at rest. OCI Database with PostgreSQL is designed for high availability by offering durability even in the event of an availability domain (AD) failure.
Migrate On-premises PostgreSQL database to OCI
To perform a zero-downtime migration of large PostgreSQL database from On-premises to OCI using OCI Goldengate, initial data load on the target db system is a crucial and time-consuming step. There are two methods to perform this initial data load.
1) Initial Load Extract
2) Precise Instantiation
I have used the precise Instantiation method which performs better(10x) than Initial Load Extract especially for large databases.
Check out my detailed tutorial Migrate On-premises PostgreSQL Database to OCI Database with PostgreSQL using OCI GoldenGate. It walks you through the entire process, from configuration to real-time data replication, ensuring high availability and seamless data movement. Whether you’re migrating, building a disaster recovery setup this guide has you covered.