Timing
Determining the right time to invalidate the cache is crucial. Invalidate it too soon, and users might see outdated content; invalidate it too late, and users might experience delays in seeing updated content.
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.