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    "path": "/dynamodb-scan-controls/",
    "result": {"pageContext":{"slug":"dynamodb-scan-controls","name":"Scan estimates and controls","category":"Query and edit","headline":"Know when a scan is unfinished.","description":"Review a scan's estimated read usage, set practical limits, and resume incomplete work from a compact status line beside your results.","image":"scan-partial","caption":"An incomplete scan with a Resume action and read usage in the data grid footer.","sections":[{"title":"Estimate before you run","body":"The Scan action includes a read-capacity estimate when available, keeping cost context near the action that starts the work."},{"title":"Set a stopping point","body":"Use match, evaluated-item, page, time and read-capacity limits to bound a scan. A stopped scan retains its continuation state where available."},{"title":"Keep results in view","body":"Fetched items and consumed capacity live in the footer. An incomplete state shows Resume and details, including why the scan stopped."}],"start":"Open Dynobase and follow these steps to use scan estimates and controls.","steps":[{"title":"Review the estimate","body":"Open the table and check the estimate next to Scan. Adjust filters and scan limits for the work you intend to do."},{"title":"Run and watch the footer","body":"Start the scan and inspect the fetched count and consumed capacity as results arrive."},{"title":"Continue deliberately","body":"If the scan is incomplete, open details to see the stopping reason, then use Resume when you want to continue."}],"note":"Estimates are approximate and limits are checked around service requests. They are not a billing guarantee. An empty page can still have more data to evaluate; zero matches does not prove a scan is complete.","faq":[{"question":"Does a filter lower the read cost of a scan?","answer":"Not by itself. DynamoDB applies a scan's filter after reading items, so it can return fewer matches while consuming the same read capacity."},{"question":"Why did the scan stop before the whole table was read?","answer":"A configured limit, cancellation or service issue can stop a scan. The footer distinguishes incomplete work and provides details instead of presenting it as a complete result."}],"related":["dynamodb-query-workspace","dynamodb-schema-explorer","dynamodb-monitoring"],"reference":{"label":"How DynamoDB scans work","url":"https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Scan.html"}}},
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