whichdb
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openGauss vs Postgres Pro

openGauss: Huawei-originated open-source RDBMS forked from PostgreSQL, with in-memory and column engines. Postgres Pro: Russian commercial PostgreSQL distribution with multimaster, 64-bit XIDs and compressed storage.

key differences

  • Licensing: openGauss is open source (permissive) (Mulan Permissive Software License v2); Postgres Pro is proprietary (Postgres Pro commercial license).
  • Horizontal scaling is none in openGauss and addon in Postgres Pro.
  • Only openGauss has vector search, columnar storage, in-memory, encryption at rest.
  • Only Postgres Pro has change data capture, pub/sub, online schema changes.

choose opengauss for

  • +Chinese banking and telecom core systems
  • +Domestic-database replacements for Oracle in China
  • +HTAP workloads mixing row and column tables
  • +On-prem deployments on ARM servers

best at · OLTP, HTAP, Vector search

choose postgres-pro for

  • +Russian government and banking systems
  • +Oracle replacement under import-substitution programs
  • +Very large OLTP databases hitting XID wraparound limits
  • +HA clusters with synchronous multimaster

best at · OLTP, Geo, Search

openGaussHuawei-originated open-source RDBMS forked from PostgreSQL, with in-memory and column engines.
Postgres ProRussian commercial PostgreSQL distribution with multimaster, 64-bit XIDs and compressed storage.
overview
Primary model
Relational
Relational
Also supports
Columnar / OLAP, Vector, Document
Document, Spatial
Type
Database engine
Database engine
Status
Active
Active
Developer
openGauss Community (Huawei-led)
Postgres Professional
First release
2020
2016
Latest version
7.0.0 LTS (Sep 2026)
Enterprise 18.6.0 (Aug 20, 2026)
License
Open source (permissive)Mulan Permissive Software License v2
ProprietaryPostgres Pro commercial license
Free tier
✓
—
popularity
WhichDB Score
6.7
0.0
Rank
#357
#794
GitHub stars
795
–
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
None
Addon
Multi-region
Read replicas
Active active
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
Single node, Primary replica, Client server, In memory
Single node, Primary replica, Multi primary, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
Huawei Cloud
–
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, PL/pgSQL
SQL, PL/pgSQL
Client languages
Java, C, Python, Go, C#
C, Java, Python, JavaScript, Go, C#, PHP
Best for
OLTP, HTAP, Vector search
OLTP, Geo, Search
Add more to this comparisonNot sure either fits? Try smart match

openGauss vs Postgres Pro: FAQ

What is the difference between openGauss and Postgres Pro?

openGauss: Huawei-originated open-source RDBMS forked from PostgreSQL, with in-memory and column engines. Postgres Pro: Russian commercial PostgreSQL distribution with multimaster, 64-bit XIDs and compressed storage. Licensing: openGauss is open source (permissive) (Mulan Permissive Software License v2); Postgres Pro is proprietary (Postgres Pro commercial license). Horizontal scaling is none in openGauss and addon in Postgres Pro. Only openGauss has vector search, columnar storage, in-memory, encryption at rest.

When should I choose openGauss over Postgres Pro?

Choose openGauss for chinese banking and telecom core systems; domestic-database replacements for Oracle in China; and HTAP workloads mixing row and column tables. Choose Postgres Pro for russian government and banking systems; oracle replacement under import-substitution programs; and very large OLTP databases hitting XID wraparound limits.

Is openGauss or Postgres Pro more popular?

openGauss ranks #357 on the WhichDB Score (6.7/100) and Postgres Pro ranks #794 (0.0/100). Popularity is not fit: check the requirements that matter for your project.

Are openGauss and Postgres Pro open source?

Yes. openGauss is open source. License: Mulan Permissive Software License v2. No. Postgres Pro is proprietary, closed-source software. License: Postgres Pro commercial license.