We migrated from AWS to GCP with minimal downtime

Description and use

Migrated PostgreSQL from AWS to GCP with minimal downtime.

Problem

The team needed to move their PostgreSQL database from AWS to GCP while minimizing downtime.

Outcome

The migration was completed with minimal downtime, maintaining application availability and data integrity.

Workflow

• 1. Set up a Cloud SQL instance on GCP.
• 2. Created a replica of the AWS RDS database in GCP.
• 3. Configured replication to keep the replica up-to-date.
• 4. Performed a switchover during a low-traffic window.
• 5. Updated application connection strings to point to the new GCP instance.
• 6. Monitored performance and verified data consistency.

Evidence

We migrated from AWS to GCP with minimal downtime

Source