What This Category's Data Looks Like
Business process-related data for urban water utilities comes primarily from business forms exported from water operation management systems, official service guide documents, pipeline inspection ledgers, and installation application materials submitted by users. Update frequency varies by content type:
- Service guides are updated quarterly or when policies are adjusted
- Business forms are updated when fee schedules or processing procedures change
- Inspection ledgers and application materials are updated daily or weekly.
Documents include structured fields such as water usage address, application type, and water consumption, as well as unstructured paragraphs. Some documents include fee schedule tables and pipeline layout diagrams. Field units include professional water utility units such as cubic meters, yuan, and MPa.
Constraints on Document Parsing and Chunking from These Characteristics
Fixed fields in structured business forms require that chunking does not break field integrity. Otherwise, subsequent process guidance cannot match corresponding business information. Unstructured service guide paragraphs have wide length variations. Long paragraphs may exceed standard chunking thresholds, requiring adjustment of chunking parameters. Documents with tables and diagrams require retention of format associations. Otherwise, parsed chunks will lose key process descriptions and fee schedules. Frequently updated inspection ledgers and application materials have large data volumes. Single-file parsing limits and timeout settings must be controlled to avoid task interruptions. The binding relationship between professional units and business steps requires that units and their corresponding business descriptions are not split into different chunks. Otherwise, the semantic accuracy of process guidance will be compromised.
Configuration Settings
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
chunkSize | 800–1200 characters | Matches the combined length of service step paragraphs and business form fields in water utility documents, avoiding splitting critical business information |
chunkSplitter | By title + paragraph boundary | Aligns with the title hierarchy and paragraph separations of service processes in water utility documents, preserving business logic integrity |
customPdfParse | Enabled | Supports extracting text from fee tables and pipeline diagrams in water utility documents, avoiding retention of raw Markdown format markers |
UPLOAD_FILE_MAX_SIZE | 1000 MB | Accommodates upload requirements for large-volume documents such as monthly pipeline inspection ledgers, preventing interception due to excessive file size |
PARSE_FILE_TIMEOUT_SECONDS | 600 seconds | Reserves sufficient duration for parsing large-volume documents, preventing parsing task failure due to timeout |
Three Common Configuration Mistakes
- Phenomenon: Unformatted Markdown symbols such as
|and#appear in context references, preventing normal rendering of document structures. Cause:customPdfParseis not enabled, so table and list formats in PDFs are not parsed correctly, and only raw tagged text is retained. - Phenomenon: After passing an official service guide link, only the page title is returned, and complete business process content cannot be extracted. Cause:
chunkSplitteris not configured to split by semantic boundaries, so crawled page content is truncated randomly, preventing formation of valid context chunks. - Phenomenon: When batch parsing monthly pipeline inspection ledgers, some files fail to parse and return timeout prompts. Cause:
PARSE_FILE_TIMEOUT_SECONDSis set lower than the actual required parsing duration, causing large-volume files to be interrupted before parsing completes.
How to Verify Correct Configuration
- Upload a water utility service guide PDF supported by FastGPT v4.17.0, and confirm parsed text retains fee schedule table structure with no raw Markdown markers remaining.
- Pass an official service guide link, and confirm parsed results include complete installation process steps and required material lists with no content truncation.
- Upload a single pipeline inspection ledger file under 1000 MB, and confirm parsing tasks complete within 600 seconds with no timeout error prompts.
- Review chunked document lists, and confirm each chunk contains complete service steps or form fields with no critical business information split across multiple chunks.
The values provided are common starting points and should be measured against the reader'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.