Error Handling
In cases where errors occur during data retrieval or processing, cached data that was based on erroneous or incomplete data should be invalidated to prevent further issues.
Overall, cache invalidation is an important aspect of cache management to ensure that the cached data remains accurate and up-to-date. The specific strategies and policies for cache invalidation depend on the application’s requirements and data access patterns.
When Should a Cache be Invalidated?
A Cache should be invalidated when the data it contains becomes outdated or stale. Here are some common scenarios when cache invalidation is necessary.