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Alertmanager

Handles alerts from Prometheus with routing and silencing

Monitoring & Status ★ 8.6k stars Medium setup Apache-2.0

Alertmanager handles alerts sent by Prometheus and other clients, taking care of deduplication, grouping, and routing to receivers such as email, Slack, or PagerDuty. It also supports silences and inhibition rules.

Official siteSource code

Key features

  • Alert deduplication and grouping
  • Flexible routing trees
  • Silences and inhibition
  • Many notification integrations

Pros & cons

Strengths

  • Powerful routing logic
  • Standard in the Prometheus stack

Trade-offs

  • YAML config can get complex
  • Tied to Prometheus ecosystem

Alertmanager replaces

Self-hosted PagerDuty alternativesSelf-hosted Opsgenie alternatives

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