Append-Only Log / Storage Growth
Kind: tension
Record: tension:append-only-log-storage-growth
Canonical: Schema
"append-only-log" (execution-core layer) is traded against "Storage Growth" (execution-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Storage Growth" and choosing an explicit operating point.
Listed in Tensions, after Compensating Transaction / Business Complexity and before Dead-Letter Queue / Operational Overhead.