{"id":"dynamodb-failed-conditional-writes-consume-wcus","text":"DynamoDB conditional writes that fail (condition evaluates to false) still consume WCUs based on the larger of the existing or new item size.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-read-write-operationshtml.md","source_url":"","source_hash":"411d1faaffb2b2bc","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-failed-conditional-writes-consume-wcus","truth_value":"IN","reason":"premise"}]}}