InfluxData is arguably playing catch-up with Thanos, Cortex, and other scale-out Prometheus backends for the metrics use case. Given that, I wonder why they decided to write a new storage backend from scratch instead of building on the work Thano and Cortex have done. Those two competing projects are successfully sharing a lot of code that allows all data to be stored in object storage like S3.

https://grafana.com/blog/2020/07/29/how-blocks-storage-in-co...