Kyung Park

Backend & systems engineer. Berlin, DE.

What I work on

Distributed storage and replication, observability for high-throughput services, and the occasional foray into compiler internals. Previously infra at a payments company; currently freelance.

Recent notes

• Tail-latency budgeting for write-heavy KV workloads
• A pragmatic guide to io_uring for application engineers
• Some surprises debugging epoll edge-triggered loops
• Notes on building a tiny ELF loader for fun
• Coverage-guided fuzzing with reasonable defaults

Currently reading

• Designing Data-Intensive Applications — re-read
• The Garbage Collection Handbook
• Various papers from OSDI / NSDI

Elsewhere

• Open-source contributions on request
• Available for short consulting engagements (storage / Linux perf / cost reduction)

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