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Epsio vs RisingWave

Epsio: An incremental view engine that keeps complex SQL results fresh inside your existing Postgres or MySQL. RisingWave: An Apache-licensed, Postgres-compatible streaming database that stores state on S3 and writes Iceberg.

key differences

  • Licensing: Epsio is proprietary (Commercial license); RisingWave is open source (permissive) (Apache License 2.0).
  • RisingWave is built for larger datasets (≤ 1 PB) than Epsio (≤ 10 TB).
  • Horizontal scaling is none in Epsio and native in RisingWave.
  • Only RisingWave has secondary indexes, vector search, json, ttl / expiry, durable persistence.

choose epsio for

  • +Speeding up slow dashboards and reports on OLTP Postgres
  • +Replacing REFRESH MATERIALIZED VIEW cron jobs
  • +Maintaining denormalized tables automatically

best at · Real-time analytics, Streaming, Cache

choose risingwave for

  • +Streaming ETL from Kafka or CDC into Iceberg
  • +Real-time monitoring and alerting dashboards
  • +Fresh ML feature computation
  • +IoT telemetry aggregation

best at · Streaming, Real-time analytics, Lakehouse

EpsioAn incremental view engine that keeps complex SQL results fresh inside your existing Postgres or MySQL.
RisingWaveAn Apache-licensed, Postgres-compatible streaming database that stores state on S3 and writes Iceberg.
overview
Primary model
Relational
Relational
Also supports
–
–
Type
Database engine
Database engine
Status
Active
Active
Developer
Epsio Ltd.
RisingWave Labs
First release
2023
2022
Latest version
–
3.1.0 (Sep 21, 2026)
License
ProprietaryCommercial license
Open source (permissive)Apache License 2.0
Free tier
✓
✓
popularity
WhichDB Score
0.0
17.4
Rank
#727
#191
GitHub stars
–
9.4K
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Large (≤ 1 PB)
Horizontal scaling
None
Native
Multi-region
None
None
ACID
Limited
Limited
Consistency
Eventual
Strong
Schema
Strict
Strict
Architecture
Single node, Client server
Distributed, Shared storage, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure
AWS, Google Cloud, Azure
capabilities
Transactions
—
—
Joins
✓
✓
Secondary indexes
—
✓
Full-text search
—
—
Vector search
—
✓
Geospatial
—
—
JSON
—
✓
Change data capture
✓
✓
Triggers
—
—
Stored procedures
—
—
Materialized views
✓
✓
TTL / expiry
—
✓
Pub/Sub
—
—
Columnar storage
—
—
In-memory
—
—
Durable persistence
—
✓
Compression
—
✓
Encryption at rest
—
—
Role-based access
—
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
✓
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL
SQL
Client languages
Any Postgres/MySQL driver
Python, Java, JavaScript, Go, Rust, C#, Ruby
Best for
Real-time analytics, Streaming, Cache
Streaming, Real-time analytics, Lakehouse, IoT
Add more to this comparisonNot sure either fits? Try smart match

Epsio vs RisingWave: FAQ

What is the difference between Epsio and RisingWave?

Epsio: An incremental view engine that keeps complex SQL results fresh inside your existing Postgres or MySQL. RisingWave: An Apache-licensed, Postgres-compatible streaming database that stores state on S3 and writes Iceberg. Licensing: Epsio is proprietary (Commercial license); RisingWave is open source (permissive) (Apache License 2.0). RisingWave is built for larger datasets (≤ 1 PB) than Epsio (≤ 10 TB). Horizontal scaling is none in Epsio and native in RisingWave.

When should I choose Epsio over RisingWave?

Choose Epsio for speeding up slow dashboards and reports on OLTP Postgres; replacing REFRESH MATERIALIZED VIEW cron jobs; and maintaining denormalized tables automatically. Choose RisingWave for streaming ETL from Kafka or CDC into Iceberg; real-time monitoring and alerting dashboards; and fresh ML feature computation.

Is Epsio or RisingWave more popular?

RisingWave ranks #191 on the WhichDB Score (17.4/100) and Epsio ranks #727 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are Epsio and RisingWave open source?

No. Epsio is proprietary, closed-source software. License: Commercial license. Yes. RisingWave is open source. License: Apache License 2.0.