Process Exporter vs Telegraf
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Process Exporter | Telegraf |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 25 · At risk | 95 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | MIT | MIT |
| Language | Go | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 64 MB | 64 MB |
| Deployment | docker, binary | docker, kubernetes, binary |
| GitHub stars | ★ 2,155 | ★ 17,825 |
| First released | 2016 | 2015 |
| Replaces | Datadog Agent | Datadog Agent |
What are Process Exporter and Telegraf?
Process Exporter
process-exporter exposes per-process and per-process-group CPU, memory, and IO metrics for Prometheus. It enables fine-grained resource attribution on busy hosts.
- Per-process metrics
- Process group aggregation
- CPU, memory, IO data
- Prometheus compatible
Telegraf
Telegraf is a plugin-driven agent for collecting, processing, aggregating, and writing metrics and events. It has hundreds of input and output plugins covering systems, databases, IoT sensors, and cloud services.
- Hundreds of input plugins
- Single static binary
- Low resource footprint
- Outputs to many backends
Process Exporter vs Telegraf: key differences
Both projects are written in Go. Telegraf has the considerably larger community, at 17,825 GitHub stars versus 2,155.
Why pick each one
Choose Process Exporter if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (2.2k GitHub stars)
- Written in Go
Choose Telegraf if…
- Huge plugin catalog
- Trivial to deploy
Watch out for
- Configuration can get verbose
- No built-in UI
Frequently asked questions
Is Process Exporter or Telegraf better?
Telegraf is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Process Exporter if its specific feature set fits your needs better.
Are Process Exporter and Telegraf free and open-source?
Yes. Process Exporter is licensed under MIT and Telegraf under MIT. Both can be self-hosted at no software cost.
Can I run Process Exporter and Telegraf with Docker?
Process Exporter: yes. Telegraf: yes.
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