collectd vs Grafana Loki

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?
FeaturecollectdGrafana Loki
CategoryMonitoring & StatusMonitoring & Status
LicenseMITAGPL-3.0
LanguageCGo
Setup difficultyMediumMedium
Min. RAM32 MB512 MB
Deploymentbare-metal, binarydocker, kubernetes, helm
GitHub stars★ 3,366★ 28,687
First released20052018
ReplacesDatadog AgentSplunk, Datadog Logs

Why pick each one

Choose collectd if…

  • Extremely lightweight
  • Runs almost anywhere
collectd details

Choose Grafana Loki if…

  • Cheap to run compared to full-text indexers
  • Familiar Prometheus-style labels
Grafana Loki details

Frequently asked questions

Is collectd or Grafana Loki better?

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

Are collectd and Grafana Loki free and open-source?

Yes. collectd is licensed under MIT and Grafana Loki under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run collectd and Grafana Loki with Docker?

collectd: check the project docs for container support. Grafana Loki: yes.

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