whichdb
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CnosDB vs InfluxDB

CnosDB: Rust cloud-native time-series database with SQL on DataFusion and InfluxDB-style ingestion. InfluxDB: Purpose-built time-series database, rebuilt in Rust on Arrow, DataFusion and Parquet for version 3.

key differences

  • Licensing: CnosDB is open source (copyleft) (GNU AGPL v3.0); InfluxDB is open source (permissive) (MIT or Apache-2.0 (Core); Enterprise is commercial).
  • Only InfluxDB has triggers.
  • InfluxDB has a serverless option; CnosDB does not.

choose cnosdb for

  • +Energy and utility telemetry
  • +IoT platforms needing multi-tenancy
  • +Replacing InfluxDB 1.x with a SQL-capable engine

best at · Time-series, IoT, Observability

choose influxdb for

  • +Infrastructure and application metrics
  • +IoT sensor telemetry
  • +Industrial equipment monitoring at the edge
  • +Real-time Grafana dashboards

best at · Time-series, Observability, IoT

CnosDBRust cloud-native time-series database with SQL on DataFusion and InfluxDB-style ingestion.
InfluxDBPurpose-built time-series database, rebuilt in Rust on Arrow, DataFusion and Parquet for version 3.
overview
Primary model
Time-Series
Time-Series
Also supports
Columnar / OLAP
Columnar / OLAP
Type
Database engine
Database engine
Status
Active
Active
Developer
CnosDB
InfluxData
First release
2022
2013
Latest version
2.5.0 (Oct 23, 2026)
3.12.1 (Oct 15, 2026)
License
Open source (copyleft)GNU AGPL v3.0
Open source (permissive)MIT or Apache-2.0 (Core); Enterprise is commercial
Free tier
✓
✓
popularity
WhichDB Score
6.7
51.0
Rank
#354
#24
GitHub stars
1.8K
31.8K
Stack Overflow questions
–
2.9K
scale & guarantees
Comfortable data size
Large (≤ 1 PB)
Large (≤ 1 PB)
Horizontal scaling
Native
Native
Multi-region
None
Read replicas
ACID
None
None
Consistency
Eventual
Eventual
Schema
Flexible
Flexible
Architecture
Single node, Distributed, Client server
Single node, Distributed, Shared storage, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
✓
Embedded
—
—
Edge
—
✓
Clouds
–
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, InfluxQL
Client languages
Go, Java, Python, Rust
Go, Python, Java, JavaScript, C#
Best for
Time-series, IoT, Observability
Time-series, Observability, IoT, Real-time analytics
Add more to this comparisonNot sure either fits? Try smart match

CnosDB vs InfluxDB: FAQ

What is the difference between CnosDB and InfluxDB?

CnosDB: Rust cloud-native time-series database with SQL on DataFusion and InfluxDB-style ingestion. InfluxDB: Purpose-built time-series database, rebuilt in Rust on Arrow, DataFusion and Parquet for version 3. Licensing: CnosDB is open source (copyleft) (GNU AGPL v3.0); InfluxDB is open source (permissive) (MIT or Apache-2.0 (Core); Enterprise is commercial). Only InfluxDB has triggers. InfluxDB has a serverless option; CnosDB does not.

When should I choose CnosDB over InfluxDB?

Choose CnosDB for energy and utility telemetry; IoT platforms needing multi-tenancy; and replacing InfluxDB 1.x with a SQL-capable engine. Choose InfluxDB for infrastructure and application metrics; IoT sensor telemetry; and industrial equipment monitoring at the edge.

Is CnosDB or InfluxDB more popular?

InfluxDB ranks #24 on the WhichDB Score (51.0/100) and CnosDB ranks #354 (6.7/100). Popularity is not fit: check the requirements that matter for your project.

Are CnosDB and InfluxDB open source?

Yes. CnosDB is open source. License: GNU AGPL v3.0. Yes. InfluxDB is open source. License: MIT or Apache-2.0 (Core); Enterprise is commercial.