Active_file memory is not considered as available memory

I would like to ask your opinion about what is said in the official kubernetes documentation here.

The doc states “The kubelet treats active_file memory areas as not reclaimable” but by conducting some experiments I was able to see how that memory is actually recovered, I also find confirmation in other articles like this which I found very interesting

I’m a little confused on this issue but it is of fundamental importance to understand how to appropriately set the memory limits in those pods that make extensive use of I/O.

Thanks really much for your feedback