Go로 PostgreSQL 프록시 만들기 (17) - Channel Blocking과 Connection Poisoning 버그 수정
Webhook 동기 호출이 Audit 이벤트를 마비시키는 Channel Blocking과, 죽은 커넥션이 풀에 반환되는 Connection Poisoning 버그를 분석하고 수정한다.
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⏱ 3분
readers 설정을 선택사항으로 변경하여 Primary 1대만으로도 풀링+캐싱을 사용할 수 있게 한 과정과, 오픈소스 프로젝트의 사용성에 대한 고민을 다룬다.
Go로 PostgreSQL 프록시 만들기 (2) - 커넥션 풀링 직접 구현
Go로 PostgreSQL 프록시 만들기 (2) - 커넥션 풀링 직접 구현
🚀 pgmux
March 11, 2026
⏱ 3분
Go의 mutex와 channel을 활용해 커넥션 풀을 직접 구현한다. idle timeout, max lifetime, 헬스체크까지.
Go로 PostgreSQL 프록시 만들기 (20) - Hot Reload Data Race와 sync.RWMutex
Go로 PostgreSQL 프록시 만들기 (20) - Hot Reload Data Race와 sync.RWMutex
🚀 pgmux
March 11, 2026
⏱ 5분
설정 파일 Hot Reload 시 concurrent map read/write로 프록시가 즉사하는 Critical 버그를 분석하고, sync.RWMutex로 수정한다.
Go로 PostgreSQL 프록시 만들기 (3) - 읽기/쓰기 자동 분산
Go로 PostgreSQL 프록시 만들기 (3) - 읽기/쓰기 자동 분산
🚀 pgmux
March 11, 2026
⏱ 3분
쿼리를 파싱해서 Writer/Reader로 자동 분산하고, 트랜잭션 추적과 replication lag까지 대응하는 라우팅을 구현한다.
Go로 PostgreSQL 프록시 만들기 (4) - 쿼리 캐싱과 무효화
Go로 PostgreSQL 프록시 만들기 (4) - 쿼리 캐싱과 무효화
🚀 pgmux
March 11, 2026
⏱ 4분
LRU 캐시를 직접 구현하고, 쓰기 시 테이블 기반으로 캐시를 자동 무효화하는 전략을 만든다.
Go로 PostgreSQL 프록시 만들기 (5) - 통합, E2E 테스트, 회고
Go로 PostgreSQL 프록시 만들기 (5) - 통합, E2E 테스트, 회고
🚀 pgmux
March 11, 2026
⏱ 7분
독립적으로 만든 컴포넌트들을 프록시 서버에 통합하고, Docker 환경에서 E2E 테스트로 검증한 뒤, 전체 프로젝트를 돌아본다.
Go로 PostgreSQL 프록시 만들기 (6) - Prometheus 메트릭, Prepared Statement 라우팅, Admin API
Go로 PostgreSQL 프록시 만들기 (6) - Prometheus 메트릭, Prepared Statement 라우팅, Admin API
🚀 pgmux
March 11, 2026
⏱ 5분
프록시를 운영 가능한 수준으로 고도화한다. Prometheus 메트릭 계측, Extended Query Protocol의 Prepared Statement reader 라우팅, Admin API를 구현한다.
Go로 PostgreSQL 프록시 만들기 (7) - QA 버그 수정과 멀티 인스턴스 스케일링
Go로 PostgreSQL 프록시 만들기 (7) - QA 버그 수정과 멀티 인스턴스 스케일링
🚀 pgmux
March 11, 2026
⏱ 4분
QA 리뷰에서 발견된 Critical/Major 버그 4건을 수정하고, 프록시 수평 확장을 위한 Redis Pub/Sub 캐시 무효화를 구현한다.