Batch-vs-Stream / Operational Duplication
Kind: tension
Record: tension:batch-vs-stream-operational-duplication
Canonical: Schema
"batch-vs-stream" (execution-core layer) is traded against "Operational Duplication" (execution-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Operational Duplication" and choosing an explicit operating point.
Listed in Tensions, after Fan-out/Fan-in / Serial Item Processing and before Plugin Architecture / Static Analysis.