Google Cloud Dataflow vs RisingWave for Stream Processing
Google Cloud Dataflow is a fully managed streaming service based on Apache Beam. RisingWave is an open-source streaming database with PostgreSQL compatibility. Use Dataflow for GCP-native streaming with Beam's portable programming model. Use RisingWave for SQL-native streaming with built-in serving and CDC.
Comparison
| Feature | Cloud Dataflow | RisingWave |
| Based on | Apache Beam | Custom (Rust) |
| Deployment | GCP only | Anywhere |
| SQL | Beam SQL | PostgreSQL-compatible |
| Serving | ❌ | ✅ Built-in |
| CDC | Via connectors | ✅ Native |
| Batch + streaming | ✅ Unified (Beam) | Streaming-focused |
| Auto-scaling | ✅ | Manual / Cloud |
| Vendor lock-in | High (GCP) | None |
Frequently Asked Questions
Is Dataflow easier than RisingWave?
For GCP users, Dataflow is operationally simpler (fully managed). For SQL users, RisingWave is easier (PostgreSQL SQL vs Beam programming model).
Can I use both?
Yes. Use Dataflow for GCP-native batch+streaming pipelines, and RisingWave for real-time SQL views served via PostgreSQL protocol.
