A prefix contains both processed and unprocessed files.
Load only the confirmed files for this batch and avoid reloading previous results.
Which configuration is most appropriate?
Use a Redshift COPY manifest that explicitly lists the files for the batch.
Detailed explanation
The manifest makes the intended file set explicit and excludes unrelated objects.
The manifest makes the intended file set explicit and excludes unrelated objects.
Lifecycle moves or deletes objects but does not record load status.
Lifecycle moves or deletes objects but does not record load status.
Previously loaded files can be loaded again and require duplicate handling.
Previously loaded files can be loaded again and require duplicate handling.
API audit events are not a confirmed data-file manifest.
API audit events are not a confirmed data-file manifest.
Check official documentation
Compare the following points with the official documentation.
Amazon Redshift COPY manifest、COMPUPDATE、ロード履歴の公式説明を確認する。
What to confirm
S3削除・監査イベントと、ロード対象ファイル管理の違いを説明できる。
Key points
- COPY
- Manifest
- Load set
- Duplicate avoidance
Notes
- Environment: AWS公式DEA-C01試験ガイドと各サービスの公式ドキュメントの確認
- Confirm current AWS service behavior in the official DEA-C01 documentation.
Foundation review
Input finalization
A manifest freezes the batch boundary and simplifies audit and retry.
Duplicate prevention
Track loaded files or output keys so retries do not create an additional result.