Memento Pattern / Memory Footprint
Kind: tension
Record: tension:memento-pattern-memory-footprint
Canonical: Schema
"memento-pattern" (design-patterns-core layer) is traded against "Memory Footprint" (design-patterns-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Memory Footprint" and choosing an explicit operating point.
Listed in Tensions, after Visitor Pattern / Element Stability and before Null Object Pattern / Silent No-Op Risk.