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Prometheus

Metrics-based monitoring and alerting toolkit

Monitoring & Status ★ 65.6k stars Medium setup Apache-2.0

Prometheus is a metrics-based monitoring system and time-series database with a powerful query language and alerting. It targets engineers monitoring cloud-native infrastructure. It is deployed via Docker, binaries, or Helm.

Key features

  • Pull-based metrics collection
  • PromQL query language
  • Built-in alerting rules
  • Cloud-native standard

Pros & cons

Strengths

  • Powerful query language
  • Reliable and scalable
  • Huge ecosystem

Trade-offs

  • No long-term storage by default
  • Dashboards need Grafana

Prometheus replaces

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