What are some real-world examples of LFU (Least Frequently Used) caching?
LFU caching is used in various applications. For instance, web browsers use LFU to manage cache memory for frequently accessed pages.
Can you give me another example?
Sure! In database management systems, LFU can help optimize query performance by keeping the most frequently accessed data in memory.
How does LFU compare to other caching algorithms?
LFU is more efficient for workloads with stable access patterns, while LRU (Least Recently Used) is better for workloads with temporal locality.
Are there any downsides to using LFU?
Yes, LFU can be complex to implement and may require more memory to track usage counts, which can lead to overhead.
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