Prometheus vs smartctl Exporter

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturePrometheussmartctl Exporter
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0Apache-2.0
LanguageGoGo
Setup difficultyMediumMedium
Min. RAM512 MB64 MB
Deploymentdocker, binary, helmdocker, binary
GitHub stars★ 65,616★ 573
First released20152022
ReplacesDatadogCrystalDiskInfo

Why pick each one

Choose Prometheus if…

  • Powerful query language
  • Reliable and scalable
  • Huge ecosystem
Prometheus details

Choose smartctl Exporter if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Written in Go
  • Tiny footprint — runs in 64 MB RAM
smartctl Exporter details

Frequently asked questions

Is Prometheus or smartctl Exporter better?

Neither is universally better. Prometheus has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Prometheus and smartctl Exporter free and open-source?

Yes. Prometheus is licensed under Apache-2.0 and smartctl Exporter under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Prometheus and smartctl Exporter with Docker?

Prometheus: yes. smartctl Exporter: yes.

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