Term Kind Topic What it is
Cache Penetration concept Cache Invalidation Repeated lookups for keys that do not exist, which miss the cache every time by definition and pass straight through to the store.
Cache-Loss Survivability Cache Failure Blast Radius, Origin Protection practice Cache Invalidation Designing so that losing the cache degrades the system rather than destroying it - because a cache absorbing most of the read traffic is a capacity dependency, not an optimisation.