{"id":"dynamodb-kms-cache-refresh-5-minutes","text":"DynamoDB caches the plaintext table key from KMS and refreshes it every 5 minutes per caller with active traffic, not per operation.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-encryptionhowitworkshtml.md","source_url":"","source_hash":"4ced9ba839135ceb","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-kms-cache-refresh-5-minutes","truth_value":"IN","reason":"premise"}]}}