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ziwon/README.md

Hi, I'm Aaron 👋

Senior DevOps / MLOps Engineer | AI Infrastructure · GPU Platforms · Kubernetes · Linux Systems

I build infrastructure where GPU compute, high-performance networking, Kubernetes, storage, and ML workloads meet.

My current focus is AI Factory engineering — GPU platforms, cluster networking, Linux reliability, and production ML infrastructure.

⚡ AI Infrastructure Focus

  • GPU Platforms — NVIDIA GPUs, CUDA, DeepStream, DCGM, training & inference
  • AI Cluster Networking — InfiniBand, RDMA/RoCE, Clos, BGP/ECMP, NetBox
  • Kubernetes — Kubernetes, CNI, GPU workloads, Helm, GitOps
  • Linux Reliability — eBPF, cgroups, OOM analysis, kernel diagnostics
  • MLOps — model lifecycle, evaluation, lineage, serving, observability
  • Automation — AWS, Terraform, Ansible, GitHub Actions, CI/CD

🏭 AI Factory / GPU Infrastructure

Executable AI cluster network lab using NetBox, Containerlab, Clos fabrics, BGP/ECMP, failure injection, and automated validation.

NetBox · Containerlab · FRR · BGP · ECMP · Clos

Rust + eBPF diagnostic tool for finding hidden shared-memory and CUDA memory pressure behind Linux cgroup OOM failures.

Rust · eBPF · cgroups · CUDA · Linux

GPU video reasoning platform combining DeepStream perception, VLM verification, Kubernetes, and multi-stream inference.

DeepStream · CUDA · Kubernetes · VLM · FastAPI

AI infrastructure knowledge system covering GPU, RDMA/InfiniBand/RoCE, storage, distributed training, inference, MLOps, and performance engineering.

Explore ADCS →

Go-based Linux kernel postmortem toolkit for validated vmcore analysis and evidence-backed crash diagnostics.

Go · Linux Kernel · vmcore · crash · drgn


🤖 ML Platforms / Production ML

Production-shaped computer vision lifecycle from dataset and training to evaluation, promotion, ONNX deployment, and drift monitoring.

PyTorch · CV · MLOps · ONNX · W&B

Active-learning pipeline turning production false positives into reviewed hard negatives, retraining data, and promotion signals.

YOLO · CLIP · Label Studio · W&B

GPU research harness comparing RAG, SFT, and RAFT across quality, latency, and VRAM trade-offs.

NVIDIA GPU · QLoRA · RAG · RAFT · LLM Evaluation


🧩 Infrastructure / Developer Platforms

Cloudflare-native LLM knowledge graph and MCP retrieval backend for Obsidian and Markdown knowledge bases.

Cloudflare Workers · R2 · D1 · Vectorize · MCP

Reusable GitHub Actions for Kubernetes delivery and AI-assisted repository automation.

GitHub Actions · Kubernetes · GitHub Apps

Real-time AI English speaking coach for engineers using Gemini Live, structured feedback, authentication, and usage quotas.

Try SpeakLoop →


🔬 Other Projects

  • CapEx Lens — AI infrastructure CAPEX and hyperscaler economics dashboard
  • Kernel Lens — A clearer view into Linux kernel development.
  • AKBO — A lightweight, tablet-friendly sheet music viewer for piano player.

🌱 Currently Deepening

  • NVIDIA AI Factory architectures
  • GPU cluster operations
  • InfiniBand / RDMA / RoCE
  • NCCL and distributed GPU communication
  • Kubernetes GPU orchestration
  • NVIDIA GPU / Network Operators
  • AI storage and data paths
  • GPU / Linux performance engineering

Building AI infrastructure from the kernel to the cluster — and from the cluster to the model.

Pinned Loading

  1. ai-data-center-systems ai-data-center-systems Public

    AI & Infra 오타쿠를 위한 감성 노트 (AI&インフラオタクのための感性ノート)

    Python 10 3

  2. restack/ai-factory-network-twin restack/ai-factory-network-twin Public

    A NetBox-driven digital twin for generating, validating, and testing AI cluster network fabrics with Containerlab.

    Python 1

  3. ghostmem ghostmem Public

    eBPF-powered TUI that hunts ghost memory: /dev/shm segments invisible to RSS dashboards but fully counted by the cgroup OOM killer

    Rust

  4. kernel-lens kernel-lens Public

    A clearer view into Linux kernel development.

    TypeScript

  5. cp-fp-mining-lab cp-fp-mining-lab Public

    Data-centric false-positive mining loop for computer-vision detectors: cluster production FPs, review in Label Studio, mine hard negatives, retrain

    Python

  6. vrs vrs Public

    A modern, two-layer video-reasoning pipeline for a single local GPU

    Python 2