What this category of data looks like
This category of data originates from MES systems, testing equipment, laboratory systems, process parameter documents, customer standard documents, and historical defect databases. Daily processed documents include control plans, patrol inspection records, SPC reports, final product inspection reports, non-conforming product review forms, release forms, and quality monthly reports. Data is updated continuously for each production batch and each shift. Most documents contain fixed fields such as inspection parameters, qualified judgment results, defect codes, and production batch numbers, paired with industry-specific units including millimeters, ppm, and hours.
What constraints these characteristics impose on the document parsing and chunking link
The multi-source scattered data, high-frequency update rhythm, and specialized document structure of this category impose multiple constraints on the document parsing and chunking link. Mixed multi-format document types, including standardized reports and semi-structured records, require chunking logic to adapt to different content organization forms. The high-frequency data updates from continuous collection require the parsing process to have sufficient efficiency to match production tempo and avoid delays affecting release review. The presence of specialized fields and industry units requires the parsing process to accurately identify corresponding content, preventing cross-category parameter confusion during chunking. The need for batch document processing requires configurations to support batch parsing and error retry mechanisms, reducing the potential risk of incorrectly releasing non-conforming products.
The following configurations are formulated based on FastGPT v4.17.0.
How to set configurations
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
chunkSize | 800–1200 characters | Adapts to the field length and industry unit formatting of documents in this category, avoiding loss of complete inspection items or judgment logic after splitting |
chunkSplitter | By paragraph + fixed field boundaries | Adapts to the fixed structure of structured documents such as control plans and SPC reports, ensuring chunks retain complete inspection logic |
customPdfParse | Enabled | Supports parsing SPC reports and final product inspection reports with embedded tables, adapting to common document formats in this category |
PARSE_FILE_TIMEOUT_SECONDS | 600 seconds | Matches the parsing duration requirements for batch documents in this category, avoiding interruptions to release review processes due to timeouts |
UPLOAD_FILE_MAX_SIZE | 1000 MB | Adapts to the document size of complete single-batch inspection reports and quality monthly reports in this category |
chunkSettingMode | Manual configuration | Allows adjustment of chunking rules for different document types, adapting to semi-structured content such as patrol inspection records and quality monthly reports |
Three common mistakes
- Symptom: After uploading a PDF, a prompt appears stating the file content cannot be read, and no results are shown in the chunk preview. Cause: The
customPdfParseconfiguration is not enabled, or the document has encryption or embedded complex vector graphics that cause parsing failure. - Symptom: Syncing PPT and PDF documents to the Feishu knowledge base fails, with an abnormal sync status displayed. Cause: Parsing rules for the corresponding document types are not configured, or the uploaded file exceeds the
UPLOAD_FILE_MAX_SIZElimit. - Symptom: After deploying Marker, logs show an OCR error, and the parsing task is interrupted. Cause: Pre-dependencies for OCR recognition are not configured, or the document resolution is too low to recognize printed inspection parameters.
How to confirm configurations are properly set
- Upload a single standard SPC report, check the chunk preview results, and confirm each chunk contains complete inspection parameters and judgment logic.
- Batch upload documents of the same type, check the completion status of parsing tasks, and confirm no batch timeouts or parsing failures occur.
- View the system configuration page, and confirm that key configuration items such as
customPdfParseandchunkSettingModehave values that meet current business requirements. - Upload a large-size quality monthly report, and confirm that the upload and parsing processes do not trigger preset size limits.
The values provided are common starting points and should be measured against the reader's own samples.