Match the descriptions to these cache failure modes terms: Cache stampede, Cache penetration, Cache avalanche, Stale cache entry.

Cache failure modesConcept relationships

Choose a match for every item. Use each answer once.

Negative-result caching or suitable membership checks can reduce repeated nonexistent-key load.

Spreading expirations and controlling regeneration can reduce synchronized cache-miss bursts.

Coordinating one refresh or serving controlled stale data can reduce duplicate backend work.

Stale data requires an explicit freshness policy and a suitable update, invalidation, or refresh strategy.

Cache failure modesConcept relationships

Choose a match for every item. Use each answer once.

Negative-result caching or suitable membership checks can reduce repeated nonexistent-key load.

Spreading expirations and controlling regeneration can reduce synchronized cache-miss bursts.

Coordinating one refresh or serving controlled stale data can reduce duplicate backend work.

Stale data requires an explicit freshness policy and a suitable update, invalidation, or refresh strategy.