ghost-cache-entry · research · also cache history entry

Ghost cache entry

A ghost cache entry records the identity or history of an evicted item without retaining its cached payload.

Related Observatory article: Ghost cache entry on hesela.com

An ARC history hit is still a cache miss requiring a fetch. [1]

Relations

related

adaptive-replacement-cache, cache-pollution, mapping-cache

Citations

1. Nimrod Megiddo and Dharmendra S. Modha. ARC: A Self-Tuning, Low Overhead Replacement Cache. FAST 2003, pp. 115-130; sections I, IV-V. (accessed 2026-10-15)
2. Hesela: mapping caches, scan phases and cache-history semantics (constructed examples) (accessed 2026-10-15)

JSON: /data/terms/ghost-cache-entry.json