What are the differences between FIFO caching and LRU caching?
FIFO (First In, First Out) caching evicts the oldest data first, while LRU (Least Recently Used) evicts the least recently accessed data.
Which one is more efficient in terms of performance?
LRU is generally more efficient for workloads with temporal locality, as it keeps frequently accessed items in cache.
Are there scenarios where FIFO might be better?
Yes, FIFO can be simpler to implement and may perform better in scenarios with predictable access patterns.
Can you give an example of each caching strategy?
Sure! In FIFO, if you have a cache of size 3 and access items A, B, C, D, it will evict A first. In LRU, it would evict the least recently used item.
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