{"id":"dynamodb-conditional-check-failed-not-user-errors","text":"DynamoDB ConditionalCheckFailedRequests return HTTP 400 but are NOT counted in the UserErrors CloudWatch metric.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-metrics-dimensionshtml.md","source_url":"","source_hash":"940f8513ae8d9e97","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-conditional-check-failed-not-user-errors","truth_value":"IN","reason":"premise"}]}}