Kyunghoon Kim

Engineering Notes

Kyunghoon Kim

I build, study, and write about infrastructure and blockchain systems.

Exploring cloud infrastructure, automation, networking, and blockchain.

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Selected writing

Featured Notes

Infrastructure and blockchain systems, documented through experiments, debugging, and research.

AIOpsRCA / LLM
Jul 26, 202612 min

SynergyRCA: Kubernetes RCA with StateGraph and LLM

SynergyRCA의 StateGraph를 장애 시점의 temporal evidence layer로 해석하고, snapshot 한계와 tree search 결합 설계를 검토한다.

RCALLM
AIOpsRCA / LLM
Jul 25, 202610 min

LATS-RCA: Tree Search for Microservice Root Cause Analysis

LATS-RCA를 통해 RCA를 제한된 비용 안에서 evidence를 탐색하는 문제로 해석하고, production gap과 실제 적용 조건을 검토한다.

RCALLM
LinuxeBPF / XDP
Jul 24, 202611 min

eBPF Program Types: XDP, TC, Tracing, and Security Hooks

XDP와 TC부터 Kprobe, Tracepoint, Uprobe, Cgroup, LSM까지 eBPF 프로그램의 실행 위치와 용도를 정리한다.

eBPFXDP