Grafana Mimir

Grafana Mimir is an open source, horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus. Mimir was started at Grafana Labs and announced in 2022. The mission for the project is to make it the most scalable, most performant open source time series database for metrics, by incorporating what Grafana Labs engineers have learned running Grafana Enterprise Metrics and Grafana Cloud Metrics at massive scale.