The simplest implementation of LFU caching (at least frequently used), or rather its modification, on two linked list/ring.The point is to discard a long-unused item from the cache.The list type ...

Everyone defaults to LRU caching, but when bots create 500,000 sessions per hour, LFU is your best friend. Frank wrote up a detailed description of why you should consider using an LFU cache for user ...