ARC maintains two LRU page lists: L_1 and … have been seen at least twice, recently. … we say that L_1 captures recency, while L_2 … If the cache can hold c pages, we … ARC caches a variable number of most recent … … . [p. 61] [Let T_i, B_i partition L_i into cached and uncached pages. Keep T_1 approx. B_2 and T_2 approx. B_1. A hit in B_1 increases T_1, while a hit in B_2 increase T_2].
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