cache invalidation
Mark cached data stale, remove it, or refresh it when its assumptions change.
Use this when Users keep seeing old data after a successful edit.
without the term
“After someone edits their profile, other pages still show the old name for a while, because we cache it. Can you make the cache update when data changes?”
with the term · How do you ask a model for cache invalidation?
Define invalidation for this cache. After a write, verify affected views become current and unrelated entries remain reusable.
What is cache invalidation?
Each cached value depends on some data. When a write changes that data, the cache entries built from it must be removed or refreshed, using the same key the reader uses.
Why does cache invalidation matter when vibe coding?
Adding a cache without a write policy can make correct writes appear lost.
How do you do cache invalidation?
List cache keys, dependencies, and freshness expectations; connect relevant writes to their invalidation path.
What goes wrong with cache invalidation?
A correct invalidation event uses a different key from the reader.