Migration Guide
Migrate from RDS to Cloud SQL
Migrate AWS RDS instances to Google Cloud SQL. Plan replication or dump/restore, remap connection strings and IAM auth.
What you get
Risk assessment
Blockers, warnings, and unknowns ranked by severity
Effort estimate
Hours, t-shirt size, and role breakdown
Cost estimate
Labor, infrastructure, and tooling cost range
Migration steps
Ordered execution plan with durations
Open questions
What still needs to be answered before you start
Draft config or code
Starter configs when the migration path supports it
Why teams migrate from RDS to Cloud SQL
Good fit when
- +Teams moving database workloads to GCP alongside compute migrations.
- +Organizations that want managed PostgreSQL/MySQL with GCP-native auth and networking.
- +Teams consolidating data services within Google Cloud.
Strengths
- Cloud SQL integrates with GCP IAM for database authentication.
- Automatic storage increases and maintenance windows are simpler to configure.
- Native connectivity to Cloud Run, GKE, and other GCP services via private IP.
Tradeoffs
- Some RDS-specific features (Multi-AZ with read replicas, Aurora compatibility) have no direct equivalent.
- Parameter group tuning maps to database flags but with different naming.
- Cross-region replication setup differs between RDS and Cloud SQL.
Migration notes
- Use pg_dump/pg_restore or mysqldump for initial data transfer.
- Set up DMS or logical replication for near-zero-downtime cutover.
- Remap connection strings, SSL certificates, and IAM-based auth.
- Verify PostgreSQL extension compatibility between RDS and Cloud SQL.
How it works
Describe your migration
Select RDS as source and Cloud SQL as target. Add context about your setup — configs, docs, architecture notes.
Keshro runs the analysis
Keshro researches the path, finds similar past migrations, and generates a structured assessment with risks, effort, cost, and steps.
Get your plan
Review the migration plan, refine it with your team, and use it as a living document during execution.
Related migrations
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