We migrated from AWS to GCP with minimal downtime

Description and use

Migrated PostgreSQL from AWS to GCP with minimal downtime, completed in 5 minutes.

Problem

The team needed to move a production PostgreSQL database from AWS to GCP while keeping downtime to a minimum.

Outcome

The migration completed in under 5 minutes of downtime, with no data loss and improved cost efficiency.

Workflow

• 1. Export AWS RDS snapshots to S3
• 2. Transfer snapshots to GCP Cloud Storage
• 3. Import snapshots into Cloud SQL
• 4. Switch application DNS to point to Cloud SQL endpoint
• 5. Verify application connectivity and performance
• 6. Decommission AWS RDS instance

Evidence

We migrated from AWS to GCP with minimal downtime

Source

The migration was completed in under 5 minutes of downtime

Source