action #66019

Updated by okurz about 1 year ago

## Motivation
When working on #64574 I've noticed that we don't have a retention policy and the default policy seems to be storing the data forever. That's likely something we want to adjust in the long term.

## Acceptance criteria
* **AC1:** Downsampling and retention is enabled with at least *some* sensible settings on the influxdb on

## Suggestion
### notes

* Read about downsampling
* Read about retention
* Look into
That's what mkittler has I have drafted so far (not tested):
* Introduce the corresponding changes to limit the storage space used by influxdb, mainly to prevent the storage to run full