What are some common caching algorithms used in architecturally resilient systems?

1. Least recently used (LRU): This algorithm removes the least recently used data from the cache when space is needed for new data.

2. First in first out (FIFO): In this algorithm, the first item that enters the cache is removed first when space is needed for new items.

3. Least frequently used (LFU): This algorithm removes the least frequently used data from the cache. Each item in the cache has a usage counter, and the item with the lowest counter value is removed when space is needed.

4. Random replacement: This algorithm selects a random item from the cache for replacement when space is needed for new data.

5. Adaptive replacement cache (ARC): This algorithm uses both LRU and LFU techniques and dynamically adjusts the cache size to optimize performance based on the access patterns of the data.

6. Multi-level caching: This caching technique involves using multiple levels of cache with different sizes and algorithms to handle different types of data and access patterns.

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