Memcached 1.6.6 Expiration Semantics: 32‑bit Overflow and 64‑bit Support
Goal To determine a reliable strategy for storing items that must live beyond 30 days in memcached 1.6.6 while avoiding the pitfalls of 32‑bit expiration overflow. Context and Constraints Memcached 1.6.6 explicitly documents that expiration values ≤30 days are treated as relative TTLs, whereas values >30 days are interpreted as absolute Unix timestamps. T