Attila Mészáros

todo check the options for controller runtime: https://pkg.go.dev/sigs.k8s.io/controller-runtime/pkg/cache#Options

> If you clean up cache entries, I think you will be in the same state as at startup, that is being in an unknown previously observed state. It may...

To make this efficient, thus to know if a resources exists in an API server or not, we should however cache a minimal information if the resource exists or not....

> Is what the previous test was covering covered in other tests? Yes it should.

Note that the e2e test has to be this was because of the `System.exit` also since configuration service is a singleton (although that could be hacked), but anyways it is...

So thinking about this issue more, the real benefits would be: 1. Have a out of the box access/experinece to other clusters and able to register informers that will trigger...

This is a very interesting argument, why actually this makes sense in general to have: https://youtu.be/1p00SMLletY?t=1249 Although this not necessarily about the multiple clusters in one instance, but nice example...

@bearpaws what you can do is as a trick, to set the resource version manually to the resource you pass to UpdateControl, use the resource version returned from the manuall...

> Perhaps we should document this or even provide an API call for this scenario? IMHO Not sure if it makes sense to provide an explicit API for this (also...

https://betterprogramming.pub/what-is-architecture-decision-record-110c597c13d