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Grafana Mimir

Scalable long-term storage for Prometheus metrics

Monitoring & Status ★ 5.2k stars Hard setup AGPL-3.0

Grafana Mimir is an open-source, horizontally scalable, highly available, multi-tenant time series database for Prometheus and OpenTelemetry metrics. It is designed to store and query hundreds of millions of active series.

Key features

  • Massive cardinality support
  • Multi-tenant by design
  • Fast query engine
  • Object storage backend

Pros & cons

Strengths

  • Proven at billion-series scale
  • Easier to operate than Cortex

Trade-offs

  • Resource intensive
  • Complex for small homelabs

Grafana Mimir replaces

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