Hi. I'm Marco, I work at Grafana Labs and I'm a Grafana Mimir maintainer. We just published a couple of blog posts about the project, including more details on your question: https://grafana.com/blog/2022/03/30/announcing-grafana-mimir... and https://grafana.com/blog/2022/03/30/qa-with-our-ceo-about-gr...