Reference only; verify against the target FastGPT release and deployment documentation.
What the data for this category looks like
Policy documents for this category mainly originate from refined oil retail management measures, consumption tax collection rules, gas station safety operation specifications, and similar materials released by the National Energy Administration, local commerce departments, and the National Development and Reform Commission. Document update cycles shift with industry policy adjustments. Some local detailed rules include supplementary explanations every quarter. Most documents follow official document format, with fields including document number, effective date, clause number, applicable scenario, and execution standard. Measurement-related content often uses tons, liters, and yuan per liter as units. Some clauses include specific penalties and compliance requirements.
Constraints for Document Parsing and Chunking
Fixed clause numbers and effective dates in official documents prohibit random splitting of cross-clause content during parsing. Uncontrolled splitting will lead to deviations in policy basis references. Frequently updated local detailed rules require rapid batch parsing, which sets clear requirements for upload parsing response speed. The multi-field mixed document structure requires retaining the binding relationship between fields and content during chunking. This prevents separation of measurement units from clauses. Penalties and compliance requirements attached to some clauses are associated content. Splitting must place related content in the same chunk to avoid information breaks during Q&A.
Configuration Settings
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
chunkSize | 800–1200 characters | The length of a single clause in refined oil policy documents mostly ranges from 500 to 1000 characters. This interval retains clause integrity while avoiding excessively long chunks that reduce retrieval efficiency |
chunkSplitter | Separate by official document format delimiters (document number, clause number) | Adapts to the fixed official document structure of policy documents. Splitting per official formats avoids damaging the association between clauses and fields |
customPdfParse | Enabled | Filters irrelevant identifiers such as headers, footers, and document number prefixes in policy official documents, to accurately extract main text and core field content |
UPLOAD_FILE_MAX_SIZE | 1000 MB | A single batch of policy compilation documents may contain multiple official documents. Supporting large file uploads meets batch parsing needs |
PARSE_FILE_TIMEOUT_SECONDS | 600 seconds | Large policy compilation documents require extended parsing time. This setting prevents parsing process interruptions due to timeout |
chunkSettingMode | Manual mode | Allows adjustment of chunking rules for different types of policy documents (such as retail detailed rules, safety specifications) to adapt to diverse official document formats |
Three Common Configuration Errors
- After uploading a refined oil policy compilation PDF, the parsing status shows failure and the log returns a timeout error. This occurs because the
PARSE_FILE_TIMEOUT_SECONDSparameter is not adjusted, and the parsing time of large documents exceeds the default threshold. - The chunking result includes cross-clause content splicing, or the length of a single chunk far exceeds the preset interval. This occurs because
chunkSplitteris not configured to use official document format delimiters, and only default character length splitting is applied, damaging the integrity of policy clauses. - The parsed document fails to correctly extract core fields such as document number and effective date, and only retains unmarked main text content. This occurs because
customPdfParseis not enabled, and irrelevant identifiers such as document headers and footers are not filtered, leading to deviations in field recognition.
How to Verify Correct Configuration
- Upload a 100-page refined oil policy compilation PDF, and confirm that parsing time is within 600 seconds with no timeout errors.
- Randomly select a complete policy clause, and confirm that the parsed chunk does not split the clause’s continuous content, and includes complete document number and effective date fields.
- Upload a single small policy document, and confirm that chunk length conforms to the preset 800–1200 character interval for
chunkSize. - Batch upload multiple policy documents of different formats, and confirm that the parsing result has no missing fields or content breaks.
The values listed above are common starting points, and should be evaluated against samples from the relevant use case.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-28.