Granularity
Cache invalidation needs to be granular enough to ensure that only the relevant content is invalidated. This requires careful management of cache keys and expiration times.
Why is Cache Invalidation Difficult?
Caching is a technique used to store copies of frequently accessed or computed data to reduce latency and improve performance. However, ensuring that cached data remains valid and up-to-date can be complex. Below are the reasons why is Cache Invalidation Difficult.