THE ENGINEERING NOTEBOOK
Field notes.
Build decisions, measured results, and lessons worth keeping.
5 articles
PROJECT DEEP DIVE
RAG Gateway: from documents to cited answers
A shared retrieval pipeline connecting familiar AI clients, MongoDB Atlas, and local generation with Ollama.
PART I / BUILD & OPERATIONS
Building a tiny MongoDB cluster on Turing Pi RK1
Part I: four ARM nodes, Ansible automation, monitoring, and the lessons of operating a compact MongoDB replica set.
PART II / MEMORY & MEASUREMENT
MongoDB memory on ARM64: THP, TCMalloc & WiredTiger
Part II: controlled THP experiments, two dataset sizes, and what the evidence says about memory and concurrency.
DESIGN NOTES
A homelab for learning across the stack
How compact infrastructure connects database experiments, AI applications, and repeatable operations.
AI MILESTONE / TRACK RECOGNITION
GT7Tracks: my first AI project
How Gran Turismo 7 telemetry became a practical introduction to training a model and recognizing a track while driving.