cAdvisor vs VictoriaMetrics
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
cAdvisor
Container resource usage and performance analysis
VS
VictoriaMetrics
Fast, cost-effective time series database and monitoring solution
| Feature | cAdvisor | VictoriaMetrics |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 96 · Excellent | 95 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 256 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 19,440 | ★ 17,760 |
| First released | 2014 | 2018 |
| Replaces | Datadog | Datadog, Grafana Cloud |
What are cAdvisor and VictoriaMetrics?
cAdvisor
cAdvisor provides container users with an understanding of the resource usage and performance characteristics of their running containers. It exposes per-container CPU, memory, network, and filesystem metrics.
- Per-container resource metrics
- Live web UI
- Prometheus metrics export
- Auto-discovers containers
VictoriaMetrics
VictoriaMetrics is a fast, cost-effective, and scalable monitoring solution and time series database. It is a drop-in replacement for Prometheus storage with lower resource usage and a high-performance query engine.
- Low memory footprint
- MetricsQL query language
- Single-binary or cluster mode
- Prometheus-compatible
cAdvisor vs VictoriaMetrics: key differences
Both projects are written in Go. CAdvisor is the lighter option, starting around 64 MB of RAM against 256 MB for VictoriaMetrics. CAdvisor is the more established project (first released 2014), while VictoriaMetrics arrived in 2018.
Why pick each one
Choose cAdvisor if…
- Zero configuration
- Lightweight
Watch out for
- Limited historical retention
- Best paired with Prometheus
Choose VictoriaMetrics if…
- Excellent compression and speed
- Easy single-binary deployment
Watch out for
- MetricsQL differs slightly from PromQL
- Smaller ecosystem than Prometheus
Frequently asked questions
Is cAdvisor or VictoriaMetrics better?
cAdvisor is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider VictoriaMetrics if its specific feature set fits your needs better.
Are cAdvisor and VictoriaMetrics free and open-source?
Yes. cAdvisor is licensed under Apache-2.0 and VictoriaMetrics under Apache-2.0. Both can be self-hosted at no software cost.
Can I run cAdvisor and VictoriaMetrics with Docker?
cAdvisor: yes. VictoriaMetrics: yes.
Which is lighter on resources, cAdvisor or VictoriaMetrics?
cAdvisor has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for VictoriaMetrics. Real-world usage depends on library size, user count, and enabled features.