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:/...

2023-11-24-TIL Today I Learned Kernel Panic FTP 커넥션이 과도하게 발생하면서 Kernel Panic이 발생한 현상이 있었다고 한다. Kernel Panic이 정확히 무엇이고 언제 발생할 수 있는가? https://forum.filezilla-project.org/viewtopic.php?t=42356 ...

2023-11-23-TIL Today I Learned Redis Error Redis에 대한 의존도가 높지않게 설정하려면 어떻게 해야하는가? https://papercut.blog/235 https://aws.amazon.com/ko/caching/#:~:text=%EC%BA%90%EC%8B%9C%EC%9D%98%20%EC%A3%BC...

2023-11-20-TIL Today I Learned RBAC DB Modeling https://docs.bmc.com/docs/decisionsupportserverautomation/89/role-based-access-control-rbac-domain-661332200.html