Grafana Labs’ https://github.com/grafana/mimir release in March generated a discussion about why Grafana decided to forgo its support for https://thenewstack.io/grafana-nixes-cortex-support-for-amazon-managed-prometheus/ and launch an alternative to visualize metrics from Prometheus on a time series database. There was also some uncertainty about to what degree Cortex and Mimir would overlap in functionality.

Grafana Labs had also begun to contribute more to https://grafana.com/products/enterprise/metrics/?pg=blog&plcmt=body-txt, shifting resources away from open source Cortex. It was then decided that a new project —Mimir — would become Grafana Labs’ open source project for metrics, and that it would share capabilities from GEM.

To that end, Grafana Labs has begun to open source three write proxies for Mimir for metrics from Graphite, Datadog and InfluxDB (no word about OpenTelemetry yet).

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