Optimistic Locking / Retry Complexity
Kind: tension
Record: tension:optimistic-locking-retry-complexity
Canonical: Schema
"optimistic-locking" (atomic-boundary layer) is traded against "Retry Complexity" (atomic-boundary layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Retry Complexity" and choosing an explicit operating point.
Listed in Tensions, after Concurrency Control / Performance and before Pessimistic Locking / Deadlock Freedom.