Elasticsearch vs Grafana Loki

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureElasticsearchGrafana Loki
CategorySearch EnginesMonitoring & Status
LicenseElastic-2.0AGPL-3.0
LanguageJavaGo
Setup difficultyHardMedium
Min. RAM2,048 MB512 MB
Deploymentdocker, kubernetes, bare-metaldocker, kubernetes, helm
GitHub stars★ 77,808★ 28,687
First released20102018
ReplacesAlgolia, SplunkSplunk, Datadog Logs

Why pick each one

Choose Elasticsearch if…

  • Extremely powerful and mature
  • Huge ecosystem
Elasticsearch details

Choose Grafana Loki if…

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

Frequently asked questions

Is Elasticsearch or Grafana Loki better?

Neither is universally better. Elasticsearch has the larger community, while Grafana Loki is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Elasticsearch and Grafana Loki free and open-source?

Yes. Elasticsearch is licensed under Elastic-2.0 and Grafana Loki under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Elasticsearch and Grafana Loki with Docker?

Elasticsearch: yes. Grafana Loki: yes.

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