Fluentd vs Jaeger

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?
FeatureFluentdJaeger
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0Apache-2.0
LanguageRubyGo
Setup difficultyMediumMedium
Min. RAM128 MB512 MB
Deploymentdocker, kubernetes, binarydocker, kubernetes, helm
GitHub stars★ 13,576★ 23,082
First released20112017
ReplacesLogstashDatadog APM, New Relic

Why pick each one

Choose Fluentd if…

  • Huge plugin ecosystem
  • Proven at scale
Fluentd details

Choose Jaeger if…

  • CNCF graduated project
  • Mature and widely adopted
Jaeger details

Frequently asked questions

Is Fluentd or Jaeger better?

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

Are Fluentd and Jaeger free and open-source?

Yes. Fluentd is licensed under Apache-2.0 and Jaeger under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Fluentd and Jaeger with Docker?

Fluentd: yes. Jaeger: yes.

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