MartianLee's Dev Blog https://martianlee.github.io/posts MartianLee's tech blog exploring web development, software architecture, and AI/LLM technologies. ko-KR martionlee@gmail.com (MartianLee) martionlee@gmail.com (MartianLee) Mon, 28 Sep 2026 09:00:00 GMT https://martianlee.github.io/posts/2026-09-28-request-layers Where Does One Rails Request Spend Its CPU? HTTP, Routing, Database and ORM, Measured Apart https://martianlee.github.io/posts/2026-09-28-request-layers One list request, split into four layers (HTTP server, routing and middleware, database queries, ORM) and measured in Rails, Express and Gin. 70% of a Rails request's CPU is Active Record; routing and middleware take 7%. Mon, 28 Sep 2026 09:00:00 GMT martionlee@gmail.com (MartianLee) rubyrailsactiverecordexpressginormbenchmarkperformance https://martianlee.github.io/posts/2026-09-28-request-layers Rails 요청 하나의 CPU는 어디에 쓰일까요? HTTP, 라우팅, DB, ORM으로 나눠 측정해 보았습니다 https://martianlee.github.io/posts/2026-09-28-request-layers 같은 목록 API 요청 하나를 HTTP 서버, 라우팅·미들웨어, DB 쿼리, ORM 네 부분으로 나눠 Rails, Express, Gin에서 측정했습니다. Rails 요청 CPU의 70%는 Active Record였고, 라우팅과 미들웨어는 7%에 그쳤습니다. Mon, 28 Sep 2026 09:00:00 GMT martionlee@gmail.com (MartianLee) rubyrailsactiverecordexpressginormbenchmarkperformance