What is LRU in web caching?
An example of an AI chatbot conversation about LRU caching in web applications.
What is LRU in web caching?
LRU stands for Least Recently Used. It's a caching algorithm that removes the least recently accessed items when the cache is full.
How does LRU work in practice?
In practice, LRU keeps track of the order in which items are accessed. When a new item is added and the cache is full, it evicts the item that hasn't been used for the longest time.
What are the advantages of using LRU?
The main advantages of LRU are its efficiency in managing cache space and its ability to keep frequently accessed data readily available.
Are there any downsides to LRU?
Yes, LRU can be more complex to implement and may require additional memory to track access order, which can be a downside in some scenarios.
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