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Grafana Mimir is a horizontally scalable, multi-tenant time series database built for storing and querying Prometheus metrics across large environments. It is commonly used by platform and SRE teams that need reliable metrics retention and consistent query performance for many services, clusters, or internal tenants, especially when standalone Prometheus is limited by long-term storage and high-ingest workloads.
Mimir typically runs in Kubernetes and integrates with object storage for cost-effective retention, fitting into existing PromQL and Grafana dashboards while adding operational controls for shared, governed observability. For related monitoring workflows, see Grafana Mimir.
Monitoring allows for a continuous data stream of system status and insights to be arranged in a user-friendly method that is easy to interpret.
Grafana Mimir is a horizontally scalable, multi-tenant time series database for Prometheus metrics, used to store and query metrics reliably across large fleets and long retention periods.
Mimir is a strong fit when Prometheus needs to scale beyond a single cluster or when long retention and multi-team access are required. It adds operational complexity compared to running Prometheus alone, and it typically requires careful capacity planning for ingestion rate, cardinality, and object storage performance.
Common alternatives include Thanos, Cortex, VictoriaMetrics, and InfluxDB, with different trade-offs in operational model, query behavior, and cost.
See the upstream project documentation for architecture and deployment details at https://grafana.com/oss/mimir/.
Our experience with Grafana Mimir helped us build practical patterns, runbooks, and automation that make it easier for clients to store and query Prometheus metrics reliably at scale, especially when moving from single-cluster monitoring to multi-environment observability.
Some of the things we did include:
This experience helped us accumulate significant knowledge across multi-tenant, multi-cluster, and high-retention monitoring use-cases, enabling us to deliver high-quality Grafana Mimir setups that are maintainable, cost-aware, and aligned with how teams actually operate.
Some of the things we can help you do with Grafana Mimir include: