Caching / Always-Fresh Reads
Kind: tension
Record: tension:always-fresh-reads-caching
Canonical: Schema
"caching" (performance-core layer) is traded against "Always-Fresh Reads" (performance-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Always-Fresh Reads" and choosing an explicit operating point.
Listed in Tensions, after Caching / Consistency and before Statelessness / State Access Latency.