Grafana Mimir vs Monitoror
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Grafana Mimir
Scalable long-term storage for Prometheus metrics
VS
Monitoror
Unified monitoring wallboard for builds and services
| Feature | Grafana Mimir | Monitoror |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 90 · Excellent | 33 · At risk |
| Category | Monitoring & Status | Monitoring & Status |
| License | AGPL-3.0 | MIT |
| Language | Go | Go |
| Setup difficulty | Hard | Easy |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | docker, kubernetes, helm | docker, binary |
| GitHub stars | ★ 5,238 | ★ 4,389 |
| First released | 2022 | 2019 |
| Replaces | Datadog, Chronosphere | Datadog |
What are Grafana Mimir and Monitoror?
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
Monitoror
Monitoror is a unified monitoring wallboard that displays the status of CI pipelines, services, and other checks on a single screen. It is designed for office TVs and team information radiators.
- Wallboard-style display
- CI and HTTP monitors
- Single-binary deployment
- Configurable tiles
Grafana Mimir vs Monitoror: key differences
Both projects are written in Go. Licensing differs — AGPL-3.0 for Grafana Mimir versus MIT for Monitoror. Monitoror is the lighter option, starting around 64 MB of RAM against 1,024 MB for Grafana Mimir. Monitoror is the more established project (first released 2019), while Grafana Mimir arrived in 2022.
Why pick each one
Choose Grafana Mimir if…
- Proven at billion-series scale
- Easier to operate than Cortex
Watch out for
- Resource intensive
- Complex for small homelabs
Choose Monitoror if…
- Great for office TVs
- Very lightweight
Watch out for
- Limited monitor types
- Less active development
Frequently asked questions
Is Grafana Mimir or Monitoror better?
Neither is universally better. Grafana Mimir has the larger community, while Monitoror is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Grafana Mimir and Monitoror free and open-source?
Yes. Grafana Mimir is licensed under AGPL-3.0 and Monitoror under MIT. Both can be self-hosted at no software cost.
Can I run Grafana Mimir and Monitoror with Docker?
Grafana Mimir: yes. Monitoror: yes.
Which is lighter on resources, Grafana Mimir or Monitoror?
Monitoror has the smaller minimum footprint at 64 MB of RAM, compared to about 1,024 MB for Grafana Mimir. Real-world usage depends on library size, user count, and enabled features.