Vertical Scaling / Cost/Limit
Kind: tension
Record: tension:cost-limit-vertical-scaling
Canonical: Schema
"vertical-scaling" (performance-core layer) is traded against "Cost/Limit" (performance-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Cost/Limit" and choosing an explicit operating point.
Listed in Tensions, after Horizontal Scaling / Distributed Coordination and before Elasticity / Warm-Up Latency.