What the Data for This Category Looks Like
Data sources for this category include customer drawings and special characteristic lists, ERP/MES systems, measurement and inspection tool data, equipment process parameters, and supplier quality certificates. Daily documents cover control plans, process flowcharts, work instructions, first article and patrol inspection records, SPC reports, PPAP materials, and 8D reports. Data is updated per production batch, per shift, and via continuous collection. Documents include business fields such as batch numbers, special characteristic tolerances, and equipment operating parameters. Some documents must comply with customer-specified format requirements.
Constraints Imposed on Document Parsing and Chunking
The heterogeneous document types, high-frequency update rhythm, and strict customer format requirements for this category create multiple constraints for the document parsing and chunking process. Different document types require matching parsing rules to avoid damaging key business fields such as batch numbers and special characteristic tolerances. Frequently collected production ledgers require stable parsing throughput to avoid timeouts during batch processing. Large-volume PPAP or 8D reports require appropriate chunking parameters and timeout settings to ensure uninterrupted parsing workflows. Compatibility with customer-specified document formats is also required to ensure full field integrity of parsing results.
Configuration Settings
| Configuration Item | Recommended Value Range | Rationale |
|---|---|---|
chunkSize | 800–1200 characters | Adapts to the mixed structure of short fields (such as batch numbers, special characteristic parameters) and long text paragraphs in documents of this category, preventing key information from being split across chunks |
chunkSplitter | Semantic chunking | Matches the logical structure of structured documents such as control plans and SPC reports, preserving full business context |
customPdfParse | Enable pdf-marker parsing mode | Adapts to PDF-formatted PPAP and 8D reports common in this category, preserving original document layout and field hierarchy |
UPLOAD_FILE_MAX_SIZE | 1000 MB | Covers the upload requirements for multiple large-volume PPAP materials corresponding to a single production batch, preventing file interception |
PARSE_FILE_TIMEOUT_SECONDS | 600–900 seconds | Adapts to the parsing duration of hundreds-page SPC reports or 8D reports, preventing task failure due to large file parsing timeouts |
chunkSettingMode | Manual configuration | Flexibly adjust chunking parameters for the heterogeneous document types in this category to match the business field requirements of different documents |
Three Common Misconfigurations
- Scenario: Parsing tasks time out and fail when uploading hundreds-page SPC reports or 8D reports, with a task timeout prompt displayed in the interface. Cause: The
PARSE_FILE_TIMEOUT_SECONDSparameter is not adjusted for large-volume documents, and the default timeout duration is insufficient to complete the full parsing workflow. - Scenario: After local deployment of pdf-marker, a "Cannot read properties of undefined (readi)" error is displayed in the interface when parsing PDF documents, and no valid task results are returned. Cause: The locally deployed pdf-marker version is incompatible with FastGPT v4.17.0, or insufficient memory allocation causes uncaught exceptions during parsing.
- Scenario: Key business fields such as batch numbers and special characteristic parameters are empty or missing after parsing control plans or PPAP materials. Cause: The
customPdfParseconfiguration is not enabled, and the default parsing mode cannot adapt to the customer-specified formats of documents in this category, leading to failure to extract key fields.
How to Verify Proper Configuration
- A typical 100-page SPC report for this category is uploaded, and the parsing task is confirmed to complete within the set timeout duration with no timeout errors.
- The parsed document chunking results are reviewed, and key business fields such as batch numbers and special characteristic tolerances are confirmed to not be split across different chunks.
- The system's upload file limit is checked, and the
UPLOAD_FILE_MAX_SIZEsetting is confirmed to cover the maximum document volume required for a single production batch. - The connectivity of the locally deployed pdf-marker service is tested, and no uncaught runtime exception errors are confirmed.
The values listed above are common starting points and should be evaluated against the user's own samples.