{"id":"dynamodb-ttl-creates-invisible-asymmetric-cost-mutations","text":"DynamoDB TTL deletions appear free (no local WCU consumed, no CloudTrail log entries) but actually consume WCU on global table replicas, creating a category of mutations that is cost-free in one region, cost-bearing in all others, and audit-invisible everywhere — a hidden cost vector undetectable by either billing analysis or security audit.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-ttl-creates-invisible-asymmetric-cost-mutations","truth_value":"IN","reason":"premise"}]}}