What are the differences between LRU and LFU caching?
An example of an AI chatbot conversation about LRU vs LFU caching strategies.
What are the differences between LRU and LFU caching?
LRU (Least Recently Used) evicts the least recently accessed items, while LFU (Least Frequently Used) removes the least frequently accessed items.
Which one is better for a web application?
It depends on the access patterns. LRU is often better for applications with temporal locality, while LFU can be more effective for stable access patterns.
Can you give an example of when to use each?
Sure! Use LRU for caching user sessions where recent activity matters, and LFU for caching items like product views where some items are consistently popular.
What are the trade-offs of each caching strategy?
LRU can lead to higher overhead due to tracking access times, while LFU may require more memory to maintain frequency counts.
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