Grafana Mimir and VictoriaMetrics: performance tests
Grafana Labs Mimir is a new time series database under AGPLv3-license. The engineering team did a great job by taking the best from Cortex TSDB, reducing its complexity and improving scalability in the same time. According to tests by Grafana Labs, Mimir can scale to a billion active time series and 50 million samples/s ingestion rate.