Abstract
- Once the Cache Server is full, any requests to add items to the cache server might cause existing items to be removed
- Can be handled gracefully with Eviction Policy
Eviction Policy
- Strategies to handle Cache Eviction
- One common strategy is LRU
Other common policies
First in first out (FIFO)
- Removes the oldest items first.
Least frequently used (LFU)
- Removes the least often accessed items.