What is the LRU algorithm and how does it work?
An example of an AI chatbot conversation about the LRU caching algorithm.
What is the LRU algorithm and how does it work?
The LRU (Least Recently Used) algorithm is a cache eviction policy that removes the least recently accessed items first.
Can you explain how it decides which item to remove?
Sure! It keeps track of the order in which items are accessed. When the cache reaches its limit, it removes the item that hasn't been used for the longest time.
What are some real-world applications of the LRU algorithm?
LRU is commonly used in operating systems for page replacement, in databases for caching, and in web browsers for managing cache.
Are there any drawbacks to using the LRU algorithm?
Yes, LRU can be inefficient in certain scenarios, especially if access patterns are unpredictable, leading to frequent cache misses.
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