{"id":"dynamodb-cost-optimization-incompatible-with-global-availability","text":"DynamoDB's primary cost optimization mechanism (reserved capacity) is structurally incompatible with its primary availability mechanism (global tables) — reserved capacity excludes replicated write capacity units, on-demand mode, and Standard-IA, while global tables charge rWCUs in every replica region, making the dominant write cost in multi-region architectures ineligible for reservation discounts.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-cost-optimization-incompatible-with-global-availability","truth_value":"IN","reason":"premise"}]}}