01 / Personal Applied-AI / Retrieval Engineering Project · 2026
RAGOps — Production-Style RAG Platform
The problem
A RAG system is difficult to improve when ingestion, retrieval quality, latency, citations, cache behavior, and failures are hidden behind one answer endpoint. The goal was to build an operations-oriented platform where…
The build
Built a production-style RAG platform with FastAPI, PostgreSQL/pgvector, Redis, asynchronous ingestion, hybrid retrieval, reranking, Prometheus metrics, and a React operations console.
0.8059
Recall@10
0.6816
nDCG@10
- → 5,183 SciFact documents · 300 held-out queries
- → 30 queries; concurrency 1 / 4 / 8 · 300 requests each; p95 54.73 / 137.22 / 252.24 ms · local providers
- → Cross-encoder retained as a slower, lower-quality negative result
