What this category’s data looks like
Daily documents for this category include maintenance plans, inspection logs, defect disposal forms, road construction permits, road damage compensation forms, and similar items. Data mainly comes from highway maintenance management systems, bridge and tunnel monitoring systems, road administration inspection systems, and traffic flow monitoring data. The update frequency is once per day. Most documents are structured forms and semi-structured records. They include fields such as facility ID, defect type, road involvement scope, and disposal time limit. Some records include detection values and on-site photos. Data volume changes dynamically based on maintenance mileage and law enforcement frequency.
What constraints do these characteristics impose on deployment and upgrade
The daily incremental data and semi-structured document characteristics of this category impose multiple constraints on deployment and upgrade. Support for incremental synchronization mechanisms is required to avoid excessive resource usage from fully pulling daily updated inspection logs and maintenance plans. Adaptation to a paragraph-first splitting mode is needed to retain context association for fields such as facility ID and defect type in maintenance documents. Original workflow configurations must be retained during upgrades to prevent missing text processing functions from disrupting work order processing workflows. For offline deployment scenarios, adaptation to local storage and database mirroring is required to reduce reliance on external services.
How to set configurations
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
| Chunk Length | 800–1200 characters | Adapts to the semi-structured length of maintenance logs and inspection records, retains context association between party building knowledge points and business processes |
| Overlap Length | 100–200 characters | Prevents breakage of cross-chunk party building policy content, adapts to the paragraph-first knowledge base splitting mode |
| PG_URL | Calibrated based on actual testing | Adapts to offline deployment scenarios, must match the version of the local offline environment’s PostgreSQL database |
| FILETOKENKEY | Custom random string | Protects upload and access permissions for sensitive documents such as road construction permits and road damage compensation forms |
| STORAGES3ENDPOINT | Local storage endpoint address | Avoids reliance on external cloud storage services for offline deployment, ensures localized document storage |
| REDIS_URL | Local Redis service address | Supports session caching and permission verification for party building Q&A, improves response speed for simultaneous access by multiple users |
Three common mistakes
Reference only; verify against the target FastGPT release and deployment documentation.
- Phenomenon: When creating a text collection via the interface, the returned knowledge base entries are empty after passing in parameters, and maintenance-related documents cannot be loaded. Cause: The correct text segmentation parameters were not passed in accordance with the requirements of the paragraph-first splitting mode, or the parameter format does not comply with system specifications.
- Phenomenon: In the offline deployment environment, the aiproxypg image fails to start, and the log shows a database connection timeout. Cause: The `PGURL` parameter was not correctly configured to point to the local offline database mirror, or the local PostgreSQL service was not started in advance.
How to confirm the configuration is complete
- Initiate a test Q&A related to party building, check whether the returned results include policy requirements and process specifications from maintenance documents, to confirm that the knowledge base association configuration is correct.
- Execute an incremental synchronization task, check whether daily inspection logs and maintenance plan entries are newly added in the knowledge base, to confirm that the synchronization frequency meets business requirements.
- Check the system monitoring panel, confirm that the service connection status corresponding to
PG_URLandREDIS_URLis normal, with no abnormal errors. - Upload a road construction permit document, verify that the file upload and permission verification functions work normally, with no error prompts.
The values listed above are common starting points and should be evaluated against the user’s own samples.
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.