cAdvisor vs Pulse Monitor
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
Pulse Monitor
Self-hosted monitoring of Proxmox and infrastructure
| Feature | cAdvisor | Pulse Monitor |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 96 · Excellent | 91 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | MIT |
| Language | Go | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 256 MB |
| Deployment | docker, kubernetes, binary | docker |
| GitHub stars | ★ 19,440 | ★ 6,742 |
| First released | 2014 | 2024 |
| Replaces | Datadog | Datadog |
What are cAdvisor and Pulse Monitor?
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
Pulse Monitor
Pulse is a self-hosted monitoring application focused on Proxmox VE and PBS environments, surfacing node, VM, and backup health. It provides real-time dashboards and alerting.
- Proxmox monitoring
- VM and node health
- Backup status
- Real-time dashboards
cAdvisor vs Pulse Monitor: key differences
Both projects are written in Go. Licensing differs — Apache-2.0 for cAdvisor versus MIT for Pulse Monitor. CAdvisor is the lighter option, starting around 64 MB of RAM against 256 MB for Pulse Monitor. CAdvisor is the more established project (first released 2014), while Pulse Monitor arrived in 2024. CAdvisor has the considerably larger community, at 19,440 GitHub stars versus 6,742.
Why pick each one
Choose cAdvisor if…
- Zero configuration
- Lightweight
Watch out for
- Limited historical retention
- Best paired with Prometheus
Choose Pulse Monitor if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 6.7k GitHub stars
Frequently asked questions
Is cAdvisor or Pulse Monitor better?
Neither is universally better. cAdvisor has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are cAdvisor and Pulse Monitor free and open-source?
Yes. cAdvisor is licensed under Apache-2.0 and Pulse Monitor under MIT. Both can be self-hosted at no software cost.
Can I run cAdvisor and Pulse Monitor with Docker?
cAdvisor: yes. Pulse Monitor: yes.
Which is lighter on resources, cAdvisor or Pulse Monitor?
cAdvisor has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Pulse Monitor. Real-world usage depends on library size, user count, and enabled features.