I thought Least Frequently Used (LFU) was Least Recently Used (LRU), in any case, instead of using an individual epoch as in the case of LRU, LFU defines a rate of use connected to each page. I guess this will give a more accurate state of the actual rate of use. I recognize that the “LFU algorithm” would need to track the each pages which means the table will be a “Bigger Table.” As for the software modification needed, I do not know. My software (And Math) skills are bantam... (Yes, I am a telephony guy & that was a very small telephony joke – bantam jack use in T1 cross-connects)
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