Hertzbeat vs Netdata
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Netdata
Real-time per-second infrastructure monitoring
| Feature | Hertzbeat | Netdata |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 100 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | GPL-3.0 |
| Language | Java | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, bare-metal | docker, bare-metal, kubernetes |
| GitHub stars | ★ 7,405 | ★ 80,637 |
| First released | 2022 | 2013 |
| Replaces | Zabbix, Datadog | Datadog, New Relic |
What are Hertzbeat and Netdata?
Hertzbeat
HertzBeat is an open-source real-time monitoring system that checks websites, APIs, databases, servers, and more using customizable YAML templates. It includes alerting and a friendly dashboard with no agents required.
- Agentless monitoring
- Customizable YAML templates
- Threshold alerting
- Built-in dashboards
Netdata
Netdata is a real-time monitoring agent that collects thousands of metrics per second and visualizes them with zero configuration. It targets administrators who want instant, granular system insight. It is deployed via Docker or native packages.
- Per-second real-time metrics
- Zero-configuration auto-discovery
- Built-in anomaly detection
- Thousands of collectors
Hertzbeat vs Netdata: key differences
Hertzbeat is written in Java, while Netdata is built with Go. Licensing differs — Apache-2.0 for Hertzbeat versus GPL-3.0 for Netdata. Netdata is the lighter option, starting around 256 MB of RAM against 1,024 MB for Hertzbeat. Netdata is the more established project (first released 2013), while Hertzbeat arrived in 2022. Netdata has the considerably larger community, at 80,637 GitHub stars versus 7,405.
Why pick each one
Choose Hertzbeat if…
- No agents to deploy
- Flexible templates
Watch out for
- JVM resource needs
- Newer project
Choose Netdata if…
- Instant insight out of the box
- Beautiful real-time charts
- Easy install
Watch out for
- Long retention needs tuning
- Cloud features are commercial
Frequently asked questions
Is Hertzbeat or Netdata better?
Netdata is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Hertzbeat if its specific feature set fits your needs better.
Are Hertzbeat and Netdata free and open-source?
Yes. Hertzbeat is licensed under Apache-2.0 and Netdata under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Hertzbeat and Netdata with Docker?
Hertzbeat: yes. Netdata: yes.
Which is lighter on resources, Hertzbeat or Netdata?
Netdata has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for Hertzbeat. Real-world usage depends on library size, user count, and enabled features.