Prometheus

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CNCF metrics system that scrapes time series from exporters and apps, stores them locally, and evaluates PromQL alert rules that it sends to Alertmanager.

Pricing and hosting

Pricing
Free
Open source
Yes (Apache-2.0)
Self-hosted
Yes
Launched
2012
Status
Active
Website
prometheus.io

Plans and prices change; check the tool's own site before you decide.

What it does

Metrics and time-series databases checklist

5 of 10 confirmed in Prometheus's own documentation. The same checklist is used for every tool in Metrics.

  • PromQL or compatible queries Yes
  • Prometheus remote write Yes
  • OTLP metrics ingest Yes
  • Long-term storage No
  • Clustering or high availability No
  • Downsampling No
  • Alert rule evaluation Yes
  • Multi-tenancy No
  • Built-in query UI Yes
  • Managed hosted service No

Storage docs: local storage is not clustered or replicated and not meant as durable long-term storage; HA means running duplicate servers.

Checked against: github.com, prometheus.io, prometheus.io (2), prometheus.io (3)

Alternatives to Prometheus

Other metrics and time-series databases tools. See all 11.