What is LRU in databases?
An example of an AI chatbot conversation about LRU caching in databases.
What is LRU in databases?
LRU stands for Least Recently Used. It's a cache eviction policy that removes the least recently accessed items first.
How does LRU work in practice?
In practice, LRU maintains a list of items in the cache. When a new item is added, the least recently used item is removed if the cache is full.
What are the advantages of using LRU?
The main advantages of LRU are improved cache hit rates and efficient memory usage, as it prioritizes frequently accessed data.
Are there any alternatives to LRU?
Yes, alternatives include FIFO (First In, First Out), LFU (Least Frequently Used), and ARC (Adaptive Replacement Cache).
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