2023-12-21-TIL Today I Learned Today I Studied 동시성 동시성을 제어하는 가장 간단하고 확실한 방법은 ‘줄 세우기’이다. 유명 맛집에 가보면 여러 사람들이 동시에 입장하려고 할 때 항상 가게 사장님이 말씀하신다. “줄 서주세요”, “번호표 뽑고 순서대로 대기해주세요” 만약에 줄 세우는 시스템이 제대로 갖춰지지...

2023-12-20-TIL Today I Learned NAS vs NFS https://www.naschannel.com/nas/211/ https://www.quobyte.com/storage-explained/what-is-network-filesystem/#:~:text=Is%20NAS%20the%20same%20as,read%2...

2023-12-19-TIL Today I Learned Docker Volume Mounts with Cached Option https://stackoverflow.com/questions/50120722/docker-volume-mounts-with-cached-option @Transactional https://imiyou...

2023-12-15-TIL Today I Learned JPA saveAll OOM https://stackoverflow.com/questions/58348016/jpa-batch-insert-doesnt-free-up-memory https://artofcode.wordpress.com/2020/03/16/out-of-memory-w...

2023-12-12-TIL Today I Learned JWT Structure https://auth0.com/docs/secure/tokens/json-web-tokens/json-web-token-structure JWT Use Cases https://datatracker.ietf.org/doc/html/rfc7519 ...

2023-12-11-TIL Today I Learned Best Tech Blogs https://www.wearedevelopers.com/magazine/software-development-blogs https://medium.com/coinmonks/best-tech-blogs-869002e1c483 https://www.pl...

2023-12-09-TIL Today I Learned Soft Delete and Unique Constraint Soft Delete를 사용하는데, “삭제되지 않은것들은 하나만 있도록” 강제할 수는 없을까? https://gusiol.medium.com/soft-delete-and-unique-constraint-da94b41cff62...

2023-12-07-TIL Today I Learned Event Journaling A 시스템에서 B 시스템으로 데이터를 연계할 때 aggregate root 데이터를 변경한다면 어떻게 될까? 하위의 데이터 규모가 기껏해야 1,000건 정도라면 문제가 되지 않을것이다. 하지만 수천만 건이 엮여있는 데이터가 즉시 연계된다면? 그리고 반복적인 요청...

2023-12-05-TIL Today I Learned HTTP 11 Processor [] Character https://github.com/FusionAuth/fusionauth-issues/issues/635 https://community.f5.com/t5/technical-forum/error-processing-http-re...

2023-11-30-TIL Today I Studied The Architecture of Web Browsers https://blog.quastor.org/p/architecture-web-browsers https://seng130.wordpress.com/lectures-2/browser-architecture/ https:/...