Hertzbeat vs Grafana Mimir
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Hertzbeat | Grafana Mimir |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 90 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | AGPL-3.0 |
| Language | Java | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 1,024 MB |
| Deployment | docker, bare-metal | docker, kubernetes, helm |
| GitHub stars | ★ 7,405 | ★ 5,238 |
| First released | 2022 | 2022 |
| Replaces | Zabbix, Datadog | Datadog, Chronosphere |
What are Hertzbeat and Grafana Mimir?
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
Grafana Mimir
Grafana Mimir is an open-source, horizontally scalable, highly available, multi-tenant time series database for Prometheus and OpenTelemetry metrics. It is designed to store and query hundreds of millions of active series.
- Massive cardinality support
- Multi-tenant by design
- Fast query engine
- Object storage backend
Hertzbeat vs Grafana Mimir: key differences
Hertzbeat is written in Java, while Grafana Mimir is built with Go. Licensing differs — Apache-2.0 for Hertzbeat versus AGPL-3.0 for Grafana Mimir.
Why pick each one
Choose Hertzbeat if…
- No agents to deploy
- Flexible templates
Watch out for
- JVM resource needs
- Newer project
Choose Grafana Mimir if…
- Proven at billion-series scale
- Easier to operate than Cortex
Watch out for
- Resource intensive
- Complex for small homelabs
Frequently asked questions
Is Hertzbeat or Grafana Mimir better?
Hertzbeat is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Grafana Mimir if its specific feature set fits your needs better.
Are Hertzbeat and Grafana Mimir free and open-source?
Yes. Hertzbeat is licensed under Apache-2.0 and Grafana Mimir under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Hertzbeat and Grafana Mimir with Docker?
Hertzbeat: yes. Grafana Mimir: yes.