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아카이브 글

트렌드 먼저 최근 운영 이슈와 시니어 해석만 빠르게 보기 개념부터 보강 심화 학습 글만 모아 체계적으로 따라가기 구현 문맥 보기 프로젝트 시리즈와 설계 변화만 이어서 보기

2026 개발 트렌드: Kubernetes v1.37 etcd RangeStream, 대량 List의 메모리 피크를 용량 계약으로 바꾸다

Kubernetes Etcd RangeStream Control Plane Scalability Platform Engineering

2026 개발 트렌드: Kubernetes v1.37 etcd RangeStream, 대량 List의 메모리 피크를 용량 계약으로 바꾸다

9월 6, 2026 ⏱ 7분

Kubernetes v1.37과 etcd v3.7의 RangeStream Beta를 계기로, control plane의 대형 List 요청을 단순히 빠르게 만드는 문제가 아니라 object 크기·동시성·fallback·메모리 피크를 함께 관리하는 용량 계약으로 다룹니다.

백엔드 커리큘럼 심화: Kafka Consumer Rebalancing, Cooperative 방식과 Static Membership으로 처리 중단을 줄이는 법

Kafka Consumer Group Cooperative Rebalancing Static Membership Consumer Lag Backend Operations

백엔드 커리큘럼 심화: Kafka Consumer Rebalancing, Cooperative 방식과 Static Membership으로 처리 중단을 줄이는 법

📚 Learning · Distributed Systems 9월 6, 2026 ⏱ 6분

Kafka consumer group의 리밸런싱을 단순한 연결 이벤트가 아니라 파티션 소유권·처리 시간·중복 처리·배포 절차가 만나는 운영 변경으로 보고, cooperative rebalancing과 static membership을 선택하는 기준을 정리합니다.

2026 개발 트렌드: npm Trusted Publishing은 한 개 OIDC 설정이 아니라 Release Path별 권한 모델이 된다

Npm OIDC Trusted Publishing Software Supply Chain GitHub Actions Release Engineering

2026 개발 트렌드: npm Trusted Publishing은 한 개 OIDC 설정이 아니라 Release Path별 권한 모델이 된다

9월 5, 2026 ⏱ 9분

npm의 다중 trusted publisher와 staged publishing 변경을 바탕으로, 장기 publish token을 없애는 데서 그치지 않고 stable·prerelease·긴급 경로를 서로 다른 OIDC 권한과 승인 증거로 운영하는 기준을 정리합니다.

백엔드 커리큘럼 심화: WebAuthn Passkey, 서버 검증과 Credential Lifecycle을 설계하는 법

WebAuthn Passkey FIDO2 Authentication Credential Lifecycle Backend Security

백엔드 커리큘럼 심화: WebAuthn Passkey, 서버 검증과 Credential Lifecycle을 설계하는 법

📚 Learning · Backend Security 9월 5, 2026 ⏱ 9분

Passkey를 화면 API 한 번으로 끝내지 않고, challenge·origin·rpId·서명·credential metadata·세션·복구를 서버의 상태 전이로 설계하는 실무 플레이북입니다.

2026 개발 트렌드: LLM 평가는 점수표가 아니라 배포 결정을 위한 Guardrail이 된다

LLM Evaluation AI Engineering Production Readiness LLM-as-a-Judge Experimentation Guardrail

2026 개발 트렌드: LLM 평가는 점수표가 아니라 배포 결정을 위한 Guardrail이 된다

9월 4, 2026 ⏱ 7분

최근 GitHub의 secret scanning LLM 평가 사례를 바탕으로, 평균 점수를 모델 비교에 쓰는 데서 멈추지 않고 제품 결정·안전 제약·운영 비용을 함께 판단하는 배포 gate를 설계합니다.

백엔드 커리큘럼 심화: DNS Resolver 장애를 격리하는 TTL·Negative Cache·Stale Answer 플레이북

Dns Resolver Negative Cache Stale Answer Service Discovery Timeout Budget

백엔드 커리큘럼 심화: DNS Resolver 장애를 격리하는 TTL·Negative Cache·Stale Answer 플레이북

📚 Learning · Resilience 9월 4, 2026 ⏱ 6분

DNS 조회 실패가 외부 API와 서비스 디스커버리 장애로 번지는 경로를 끊기 위해 TTL, negative cache, stale answer, timeout budget을 운영하는 기준을 정리합니다.

2026 개발 트렌드: OpenTelemetry Metric Cardinality Limit, 관측성의 다음 운영 문제는 비용이 아니라 분해된 수치의 완전성이다

OpenTelemetry Metrics Cardinality SLO Observability Platform Engineering

2026 개발 트렌드: OpenTelemetry Metric Cardinality Limit, 관측성의 다음 운영 문제는 비용이 아니라 분해된 수치의 완전성이다

9월 3, 2026 ⏱ 9분

OpenTelemetry SDK의 metric cardinality limit과 overflow 동작을 바탕으로, 관측성 운영의 핵심을 단순 비용 절감이 아니라 SLO·경보·대시보드의 속성별 분해 결과가 언제 불완전해지는지 드러내는 데이터 품질 계약으로 정리합니다.

백엔드 커리큘럼 심화: OIDC Back-Channel Logout, SSO 종료 이벤트를 세션 무효화 계약으로 운영하는 법

OpenID Connect SSO Back-Channel Logout Session Revocation JWT Validation Backend Security

백엔드 커리큘럼 심화: OIDC Back-Channel Logout, SSO 종료 이벤트를 세션 무효화 계약으로 운영하는 법

📚 Learning · Backend Security 9월 3, 2026 ⏱ 9분

OIDC Back-Channel Logout을 브라우저 쿠키 삭제가 아닌, issuer·subject·sid·세션 상태·재시도·감사 증거를 갖춘 SSO 세션 무효화 계약으로 설계하는 기준을 정리합니다.