What is an LFU Cache?
An example of an AI chatbot conversation about LFU cache and its functionality.
What is an LFU cache?
An LFU (Least Frequently Used) cache is a type of cache algorithm that removes the least frequently accessed items first.
How does LFU cache differ from LRU cache?
While LFU removes the least frequently used items, LRU (Least Recently Used) removes the least recently accessed items.
Can you give me an example of how LFU cache works?
Sure! Imagine a cache that can hold 3 items. If you access items A, B, and C, and then access A again, the cache will keep A, B, and C. If you then access D, the cache will remove B (the least frequently used) to make space for D.
What are the advantages of using LFU cache?
LFU cache is efficient for workloads where certain items are accessed more frequently than others, optimizing memory usage.
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