cAdvisor vs Coroot
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | cAdvisor | Coroot |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 96 · Excellent | 92 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 1,024 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 19,439 | ★ 7,932 |
| First released | 2014 | 2022 |
| Replaces | Datadog | Datadog, New Relic |
What are cAdvisor and Coroot?
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
Coroot
Coroot is an open-source observability tool that uses eBPF to gather metrics, logs, traces, and profiles with zero instrumentation. It automatically surfaces service maps, SLOs, and root-cause insights.
- eBPF zero-instrumentation telemetry
- Automatic service maps
- Built-in SLO tracking
- Root-cause analysis
cAdvisor vs Coroot: key differences
Both projects are written in Go. CAdvisor is the lighter option, starting around 64 MB of RAM against 1,024 MB for Coroot. CAdvisor is the more established project (first released 2014), while Coroot arrived in 2022. CAdvisor has the considerably larger community, at 19,439 GitHub stars versus 7,932.
Why pick each one
Choose cAdvisor if…
- Zero configuration
- Lightweight
Watch out for
- Limited historical retention
- Best paired with Prometheus
Choose Coroot if…
- No code changes required
- Insightful out of the box
Watch out for
- Needs a recent Linux kernel
- Resource use grows with scale
Frequently asked questions
Is cAdvisor or Coroot better?
cAdvisor is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Coroot if its specific feature set fits your needs better.
Are cAdvisor and Coroot free and open-source?
Yes. cAdvisor is licensed under Apache-2.0 and Coroot under Apache-2.0. Both can be self-hosted at no software cost.
Can I run cAdvisor and Coroot with Docker?
cAdvisor: yes. Coroot: yes.
Which is lighter on resources, cAdvisor or Coroot?
cAdvisor has the smaller minimum footprint at 64 MB of RAM, compared to about 1,024 MB for Coroot. Real-world usage depends on library size, user count, and enabled features.