What the data for this category looks like
Aerospace equipment investment research data mainly comes from public annual reports of military main manufacturers, test reports of aero engine research and development institutions, equipment development white papers released by industry associations, and public announcements of airspace control and airworthiness certification. Update cycles cover annual, quarterly, and irregular test flight and certification milestones.
Documents include standardized technical parameter tables with fields such as thrust, range, wingspan, using units of kilonewtons, kilometers, meters. They also include system architecture description documents, chapterized test verification reports, and some documents have text descriptions of engineering drawings.
What constraints do these characteristics impose on the document parsing and chunking link?
Aerospace equipment investment research data has many structured parameters and a special unit system. Parsing must accurately match fields with their corresponding units to avoid separating parameters and units.
Irregularly updated test flight announcements have non-fixed structures. Parsing logic must be adapted for non-standard documents.
Long chapter test reports contain continuous technical derivation content. When chunking, chapter-level context must be retained to avoid breaking technical logic.
Text descriptions attached to engineering drawings are closely bound to the drawings. Splitting the description text from the associated information of the corresponding drawings must be avoided.
How to set the configuration
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
PARSE_FILE_TIMEOUT_SECONDS | 300–600 seconds | Aerospace equipment documents often include long chapter test reports, which have longer parsing times than general documents. Sufficient processing time must be reserved |
Chunk Length | 800–1200 characters | Aerospace equipment technical parameters are closely linked to context. Too long chunks will introduce irrelevant content, while too short chunks will lose parameter association logic |
UPLOAD_FILE_MAX_SIZE | 2000 MB | Some full-machine test reports and drawing collection files of aerospace equipment have large file sizes. The upload limit must be relaxed |
Chunk Overlap Rate | 15–20% | Technical derivation content for aerospace equipment has strong coherence. Overlapping chunks can retain context association for the derivation process |
ENABLE_STRUCTURED_PARSE | Enabled | Aerospace equipment documents include standardized technical parameter tables. Enabling structured parsing can accurately extract fields and their corresponding units |
PARSE_EXCEL_CONTENT_MODE | Preserve original format | Aerospace equipment Excel documents include standardized parameter tables. Preserving the original format avoids separating parameters and units |
The parameter values provided on this page are common starting points for configuration. Actual values are affected by material form, data volume and business rules. Specific issues require specific analysis. It is recommended to conduct tests on collected samples before finalizing the configuration.
Three common errors
- After enabling PDF parsing functionality, server memory usage spikes, leading to service lag. Cause: The concurrency limit for single-file parsing is not set, and the
UPLOAD_FILE_MAX_SIZEparameter is not adjusted, resulting in large aerospace equipment documents occupying excessive memory resources. - After uploading an Excel-format aerospace equipment parameter table, fields and units appear separated in the vectorized index. Cause: Structured Excel parsing configuration is not enabled, so the table structure is not recognized during parsing, causing parameter and unit text to be split.
- When parsing a long chapter test flight report, the log returns a
504 Gateway Timeouterror, and the parsing task fails. Cause: ThePARSE_FILE_TIMEOUT_SECONDSparameter is not adjusted, and the default timeout duration is insufficient to handle the parsing process of long documents.
How to confirm the configuration is properly set
- Upload a single aerospace equipment document that meets the configuration limit, check the running logs of the parsing task, and confirm that the parsing duration does not exceed the preset timeout parameter.
- Export the chunked data of the knowledge base, verify that the fields and corresponding units of the technical parameter table are fully bound, and confirm that the structured parsing configuration is effective.
- Call the knowledge base chunk query interface, enter typical technical keywords for aerospace equipment, and confirm that the returned chunks include associated context derivation content.
- Upload an Excel-format parameter document, check whether the chunked content retains the original table structure and unit information, and confirm that the Excel parsing configuration is effective.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.