Grafana Mimir Skill

Comprehensive guide for Grafana Mimir - the horizontally scalable, highly available, multi-tenant time series database for long-term Prometheus metrics storage.

What is Mimir?

Mimir is an open-source, horizontally scalable, highly available, multi-tenant long-term storage solution for Prometheus and OpenTelemetry metrics that:

• Overcomes Prometheus limitations - Scalability and long-term retention
• Multi-tenant by default - Built-in tenant isolation via X-Scope-OrgID header
• Stores data in object storage - S3, GCS, Azure Blob Storage, or Swift
• 100% Prometheus compatible - PromQL queries, remote write protocol
• Part of LGTM+ Stack - Logs, Grafana, Traces, Metrics unified observability

Architecture Overview

Core Components