Java/Spring 기반 백엔드 엔지니어입니다. 매일 학습하고 기록하며, 동작 원리를 밑바닥부터 이해하는 것을 좋아합니다.
- 📝 매일 TIL 작성 — Java/Spring/CS 심화 학습 노트
🔀 25 PRs merged · 11 projects
spring-boot #50734 High number of connections due to Mongo health indicator
openapi-generator #24072 [python] Run regex pattern validators in mode="before" …
openapi-generator #24081 [core] Restore sibling example for allOf with a single …
openapi-generator #24076 [core] Fix UnsupportedOperationException for oneOf memb…
openapi-generator #24017 [Java][vertx] Apply Vert.x pool defaults in buildWebCli…
openapi-generator #23872 [Java][restclient] Build XmlMapper via builder when use…
jackson-databind #6047 Fix #6043: honor FAIL_ON_UNKNOWN_PROPERTIES for creator…
feign #3415 Return response body in FeignException from errorReadin…
feign #3382 Preserve delegate content type for multipart parameters
feign #3422 Make Expressions max length configurable (fixes #2916)
feign #3419 Honor jdk.httpclient.allowRestrictedHeaders in Http2Cli…
feign #3406 Fix feign-core test compilation broken by removed Reque…
feign #3394 Avoid ClassLoader leak from static default async execut…
feign #3407 Open observation scope and stop on non-FeignException e…
feign #3371 Forward dismiss404 from CoroutineFeign builder to Async…
feign #3370 Document metrics published by the micrometer module
resilience4j #2478 Preserve durationSupplierType when copying HedgeConfig …
spring-cloud-openfeign #1384 Fix concurrent initialization race in FeignHttpMessageC…
spring-cloud-openfeign #1378 Fix unconditional overwrite of resolved fallbackFactory…
querydsl #1791 Render object arrays as Kotlin Array in querydsl-kot…
mapstruct #4061 #4060 Report compilation error for SET_TO_DEFAULT witho…
jackson-core #1613 Add JsonReadFeature.ALLOW_HEXADECIMAL_NUMBERS for JSON5…
jackson-core #1614 Preserve explicit "+" sign across buffer boundaries for…
jreleaser #2130 fix(deploy): clarify Maven Central polling log wording
spring-batch #5400 Propagate step context to worker threads in ChunkTaskEx…
→ 전체 PR 보기
Why Driven Backend — velog
- 2026-06-25 — Raft에서 가장 긴 로그를 가진 노드가 리더가 되지 못하는 이유
- 2026-06-24 — JVM은 왜 같은 메서드를 두 번 컴파일하는가 — C1·C2 티어드 컴파일레이션과 역최적화
- 2026-06-23 — TCP 송신 속도는 rwnd가 정하지 않는다 — cwnd 상태 머신과 AIMD
- 2026-06-22 — HPA는 왜 파드를 한 번에 2배로 늘릴 수 있는가 — desiredReplicas 비례 제어와 비대칭 스케일링
- 2026-06-21 — Hibernate 배치 페칭은 N+1 쿼리를 어떻게 줄이는가