What the data for this category looks like
Residential development financial report data mainly comes from publicly disclosed quarterly and annual official financial reports of real estate enterprises, as well as project sales and land transfer data filed by local housing and construction authorities. Data updates follow a fixed schedule: quarterly reports are updated within 30 days after the end of each quarter, and monthly sales data is updated within 10 days of the next month. The document structure includes three core modules: consolidated financial statements, project development details, and land reserve ledger. Fields include land acquisition area (square meters), current sales amount (yuan), under construction building area (square meters), pre-sale permitted area (square meters), and others. There is no unified standardized field format, and some real estate enterprises define custom project classification fields.
What constraints these characteristics impose on HTTP interfaces and external systems
The fixed update schedule requires HTTP interfaces to support scheduled triggering of pull or incremental synchronization logic to avoid repeated pulling of full historical data. The coexistence of multiple data sources requires interfaces to adapt to different authentication protocols; some government filing data needs to connect to dedicated government interfaces to complete permission verification. The non-standardized field structure requires interfaces to support custom field mapping rules to adapt to document format differences across real estate enterprises. The large size of individual project detail documents requires interfaces to configure reasonable timeout thresholds and segmented transmission capabilities to avoid timeouts during large file transfers.
How to Configure the Settings
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
PARSE_FILE_TIMEOUT_SECONDS | 600 seconds | Residential development financial report individual project detail documents have large file sizes, and conventional parsing takes a long time. 600 seconds covers most large file parsing needs |
UPLOAD_FILE_MAX_SIZE | 2048 MB | Individual residential development financial report files may exceed conventional limits. 2048 MB covers the upload needs of most project ledgers and detail documents |
INCREMENTAL_SYNC_INTERVAL | 86400 seconds | The monthly sales data update cycle is within 10 days of the next month. Daily synchronization meets the basic requirements for incremental data pull |
CUSTOM_FIELD_MAPPING_ENABLE | enabled | The field formats of financial reports vary across real estate enterprises. Enabling this allows configuration of custom mapping rules to adapt to differences |
API_REQUEST_TIMEOUT | 1200 seconds | Cross-system docking requires handling multi-data source aggregation logic. 1200 seconds avoids timeout interruptions during aggregation |
The parameter values provided on this page are common recommended starting points for configuration. Actual values are affected by material format, data volume and business rules. Analyze specific issues on a case-by-case basis, and it is recommended to test using in-house samples before finalizing.
Three Common Misconfigurations
- A
413 Request Entity Too Largeerror is returned when calling the interface to upload large files. This occurs because theUPLOAD_FILE_MAX_SIZEconfiguration is not adjusted, and the default limit is insufficient for the large files of residential development financial reports. - A
400 Bad Requesterror is returned when calling the cross-knowledge base aggregation interface. This occurs because multi-knowledge base authentication parameters are not correctly configured, leading to permission verification failure when querying two knowledge bases simultaneously. - Slow image pull progress occurs when deploying with docker-compose. This occurs because domestic mirror sources are not configured for acceleration, and the default pull address has insufficient network connection stability, leading to long download times.
How to Verify Proper Configuration
- Upload a single residential development financial report file of expected size, check the file parsing status code and field mapping results returned by the interface, and confirm that the configured timeout threshold and upload limit take effect.
- Trigger an incremental synchronization task, cross-check the number of incremental data items returned by the interface with the actual updated data volume of the data source, and confirm that the synchronization interval and rule configuration are correct.
- Call the cross-knowledge base aggregation interface, verify that the returned file collection ID matches the bound knowledge base data, and confirm that the multi-data source authentication and mapping configuration take effect.
- View system logs, confirm that the authentication parameters of interface requests match the configured keys, with no error records of permission verification failures.
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.