https://en.m.wikipedia.org/wiki/Page_cache#:~:text=Usually%2C%20all%20physical,free%22%20or%20%22available%22.
The problem is that the OS reports this as resident set usage of the process, mixed in with other non-reclaimable memory usage, so it’s very misleading.
If your system started swapping you would see nostrdb memory usage go to 0
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ack thanks for the explainer
