{"id":"dynamodb-scan-filter-does-not-reduce-rcu","text":"DynamoDB Scan `FilterExpression` is applied after items are read — it does not reduce consumed read capacity units, only reduces data returned to the caller.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-APIReference-API_Scanhtml.md","source_url":"","source_hash":"04d6475164f7814b","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-scan-filter-does-not-reduce-rcu","truth_value":"IN","reason":"premise"}]}}