Database Administrator specializing in MySQL, data infrastructure, and automation.
I have managed and improved database platforms across diverse domains, including cloud services, gaming, webtoons, and music.
I also provide technical guidance on the design and development of managed DBMS services at a cloud service provider.
Environments
- On-Premises · Cloud (NHN Cloud · AWS)
Databases
- MySQL · MariaDB · Oracle
- MongoDB · Redis · Valkey · Kafka
Engineering
- Database Tooling & Automation
- Observability & Monitoring
- Python · Agentic Coding
CPython · Valkey · ClickHouse · oh-my-claudecode · Claude-Usage-Tracker
- Valkey #4313 — Deflake diskless timeout replica count assertion
- ClickHouse #105472 — Expose aggregate dictionary metrics in system.asynchronous_metrics
- CPython #155171 — gh-150942: Speed up BytesIO.readlines() using reference-stealing append
- CPython #155030 — gh-84291: Clarify Pool.imap documentation
- Valkey #4102 — Deflake "Replica output bytes metric" with atomic stats capture



