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Posts

Go로 PostgreSQL 프록시 만들기 (23) - 커넥션 풀 오염과 Panic 격리

Go로 PostgreSQL 프록시 만들기 (23) - 커넥션 풀 오염과 Panic 격리

pgmux에서 발견된 두 가지 CRITICAL 버그 — 에러 시 오염된 커넥션이 풀에 반납되는 Protocol Desync와, 단일 panic이 전체 서버를 크래시시키는 Global Panic Vulnerability — 를 분석하고 수정한다.

Go로 PostgreSQL 프록시 만들기 (24) - 좀비 고루틴과 Dangling Pointer

Go로 PostgreSQL 프록시 만들기 (24) - 좀비 고루틴과 Dangling Pointer

pgmux에서 발견된 두 가지 CRITICAL 버그 — HTTP 클라이언트 끊김을 무시해 고루틴과 DB 커넥션이 영원히 블로킹되는 좀비 누수와, 핫-리로드 후 Admin/Data API가 닫힌 풀을 바라보는 Dangling Pointer — 를 분석하고 수정한다.

Go로 PostgreSQL 프록시 만들기 (27) - QA 라운드 2: 핫 리로드의 5가지 함정

Go로 PostgreSQL 프록시 만들기 (27) - QA 라운드 2: 핫 리로드의 5가지 함정

QA에서 발견된 5가지 버그 — Data API 인증 stale, 캐시 전파 누락, ConfigMap symlink 미감지, Reload 주석 불일치, 테스트 race — 의 원인 분석과 수정 과정을 정리한다.