Stream data from Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL
Move data from Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL in minutes using Estuary. Stream, batch, or continuously sync data with control over latency from sub-second to batch.
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How to integrate Google Cloud SQL for PostgreSQL with Amazon RDS for MySQL in 3 simple steps
Connect Google Cloud SQL for PostgreSQL as your data source
Set up a source connector for Google Cloud SQL for PostgreSQL in minutes. Estuary supports streaming (including CDC where available) and batch data capture through events, incremental syncs, or snapshots — without custom pipelines, agents, or manual configuration.
Configure Amazon RDS for MySQL as your destination connector
Estuary supports intelligent schema handling, with schema inference and evolution tools that help align source and destination structures over time. It supports both batch and streaming data movement, reliably delivering data to Amazon RDS for MySQL.
Deploy and Monitor Your End-to-End Data Pipeline
Launch your pipeline and monitor it from a single UI. Estuary guarantees exactly-once delivery, handles backfills and replays, and scales with your data — without engineering overhead.

Google Cloud SQL for PostgreSQL connector details
The Google Cloud SQL for PostgreSQL source connector streams changes from a Cloud SQL for PostgreSQL database into Estuary collections using log-based Change Data Capture. After an initial backfill of selected tables, Estuary reads ongoing inserts, updates, and deletes through PostgreSQL logical replication so downstream systems stay current without repeated full reloads.
- Capture real-time inserts, updates, and deletes from Google Cloud SQL for PostgreSQL using PostgreSQL logical replication.
- Support Cloud SQL for PostgreSQL versions 10.0 and later.
- Enable logical replication with wal_level=logical and use a database role with the required REPLICATION and table-read permissions.
- Configure a replication slot, publication, and watermarks table; Estuary can create some of these automatically when permissions allow.
- Backfill selected tables first, then continue streaming incremental changes from PostgreSQL’s write-ahead log.
- Connect securely using Cloud SQL connection details such as host, port, database name, user credentials, and supported networking options like allowlisting or SSH tunneling.

Amazon RDS for MySQL connector details
The Amazon RDS for MySQL materialization connector streams data from Estuary collections into MySQL tables hosted on Amazon RDS, enabling continuous synchronization between Estuary and your managed MySQL environment.
- Supported versions: MySQL 5.7 and later
- Deployment flexibility: Connect directly or through SSH tunneling for secure private access
- Delta or standard updates: Choose between merge or delta modes for efficient data writes
- Timezone control: Supports both IANA timezone names and numeric UTC offsets for consistent datetime materialization
- Full SSL support: Configure SSL modes including verify_ca and verify_identity for secure communication
- Automatic table creation: The connector creates or updates MySQL tables as Estuary collections change
- Enterprise ready: Works seamlessly within Private or BYOC deployments for compliance and governance
💡 Tip: Use this connector to stream real-time analytics or transactional data into RDS MySQL for dashboards, reporting, or downstream applications.
Estuary in action
See how to build end-to-end pipelines using no-code connectors in minutes. Estuary does the rest.
Spend 2-5x less
Estuary customers not only do 4x more. They also spend 2-5x less on ETL and ELT. Estuary's unique ability to mix and match streaming and batch loading has also helped customers save as much as 40% on data warehouse compute costs.

Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL pricing estimate
Estimated monthly cost to move 800 GB from Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL is approximately $1,000.
Data moved
Choose how much data you want to move from Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL each month.
GB
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Why pay more?
Move the same data for a fraction of the cost.



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Frequently Asked Questions
Is this integration suitable for production workloads?
Yes. Estuary pipelines are designed for production use, with exactly-once delivery semantics, automated backfills, and continuous operation at scale.
Can I control where my data runs and is processed?
Yes. Estuary offers multiple deployment options, including fully managed SaaS, private deployments, and bring-your-own-cloud (BYOC). This allows teams to control where their data plane runs and meet security, compliance, and networking requirements. Learn more about Estuary's security and deployment options.
Can I build this Google Cloud SQL for PostgreSQL to Amazon RDS for MySQL integration manually?
Yes, it's possible to build a manual pipeline using custom scripts, scheduled jobs, or open-source tools. However, manual approaches typically require ongoing maintenance, custom error handling, schema management, and operational overhead. Estuary simplifies this by providing a managed pipeline with built-in reliability, scaling, and monitoring.
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