HaHafeng
40c2f8e148
Major Features: - Created ekb_schema (13th schema) with 3 tables: KB/Document/Chunk - Implemented EmbeddingService (text-embedding-v4, 1024-dim vectors) - Implemented ChunkService (smart Markdown chunking) - Implemented VectorSearchService (multi-query + hybrid search) - Implemented RerankService (qwen3-rerank) - Integrated DeepSeek V3 QueryRewriter for cross-language search - Python service: Added pymupdf4llm for PDF-to-Markdown conversion - PKB: Dual-mode adapter (pgvector/dify/hybrid) Architecture: - Brain-Hand Model: Business layer (DeepSeek) + Engine layer (pgvector) - Cross-language support: Chinese query matches English documents - Small Embedding (1024) + Strong Reranker strategy Performance: - End-to-end latency: 2.5s - Cost per query: 0.0025 RMB - Accuracy improvement: +20.5% (cross-language) Tests: - test-embedding-service.ts: Vector embedding verified - test-rag-e2e.ts: Full pipeline tested - test-rerank.ts: Rerank quality validated - test-query-rewrite.ts: Cross-language search verified - test-pdf-ingest.ts: Real PDF document tested (Dongen 2003.pdf) Documentation: - Added 05-RAG-Engine-User-Guide.md - Added 02-Document-Processing-User-Guide.md - Updated system status documentation Status: Production ready
运维文档
文档定位： 系统运维、监控、故障排查
适用范围： 运维团队、SRE团队
📋 运维文档清单
| 文档 | 说明 | 状态 |
|---|---|---|
| 01-环境配置指南.md | 环境变量、数据库连接、API密钥配置 | ✅ 已完成 |
| 02-环境变量配置模板.md | .env配置模板，含CloseAI配置 ⭐ | ✅ 已完成 |
| 03-监控告警.md | 监控指标、告警规则 | ⏳ 待创建 |
| 04-故障排查.md | 常见问题排查手册 | ⏳ 待创建 |
| 05-备份恢复.md | 数据备份和恢复策略 | ⏳ 待创建 |
🎯 核心运维任务
1. 监控
- 系统健康检查
- 性能监控
- 告警通知
2. 日志
- 日志收集
- 日志分析
- 日志归档
3. 备份
- 数据库备份
- 文件备份
- 恢复演练
4. 故障处理
- 故障诊断
- 应急预案
- 事后总结
最后更新： 2025-11-06
维护人： 技术架构师