Written by Jonah Kowall, Michael Hoffmann, and Alexander Rickardsson and published on the Thanos blog on Jun 27, 2023.
“M3DB is missing a lot of new functionality which were introduced to Prometheus over time. This includes a lack of support for exemplars, alertmanager, along with not having the ability to move older data to object store, making the operating expenses extremely high versus other database options available today.”
(…) In 2022 (red) “Aiven was beginning to look for a replacement project with a vibrant ecosystem around it we can contribute to.”
Read more about the cost savings and perf gains Thanos brings Aiven: https://thanos.io/blog/2023-06-08-thanos-at-aiven/