What is Cache Expiration?
Cache expiration is a mechanism used in caching to automatically invalidate cached data after a certain period of time. When data in a cache expires, it is considered stale and is no longer used, even if the original data source has not changed. This helps ensure that the cache contains up-to-date information and does not serve outdated data to users.
Cache Eviction vs. Expiration in System Design
Caching plays a pivotal role in enhancing speed and efficiency. However, effective cache management involves understanding the differences between cache eviction and expiration. While both mechanisms aim to manage cached data, they operate differently and serve distinct purposes.
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