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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: 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.

2026 개발 트렌드: Kubernetes v1.37 Metrics API GA와 DRA 상태, 자원 관측이 스케줄링 계약이 된다

Kubernetes Metrics API Dynamic Resource Allocation DRA ResourceClaim Platform Engineering

2026 개발 트렌드: Kubernetes v1.37 Metrics API GA와 DRA 상태, 자원 관측이 스케줄링 계약이 된다

9월 2, 2026 ⏱ 8분

Kubernetes v1.37에서 stable이 된 metrics.k8s.io/v1과 Dynamic Resource Allocation의 ResourceClaim device status를 계기로, CPU·메모리 표본과 특수 장치 할당 상태를 각각 검증 가능한 자원 계약으로 운영하는 기준을 정리합니다.

백엔드 커리큘럼 심화: 오프라인 동기화, Sync Token·Tombstone·충돌 정책으로 모바일 쓰기를 안전하게 합치는 법

Offline Sync Sync Token Conflict Resolution Tombstone Idempotency Mobile Backend

백엔드 커리큘럼 심화: 오프라인 동기화, Sync Token·Tombstone·충돌 정책으로 모바일 쓰기를 안전하게 합치는 법

📚 Learning · Backend Architecture 9월 2, 2026 ⏱ 8분

오프라인 클라이언트의 로컬 변경을 서버에 안전하게 반영하고, 변경 피드·삭제 tombstone·충돌 정책·재동기화 기준을 운영 가능한 계약으로 설계하는 방법을 정리합니다.

2026 개발 트렌드: OpenTelemetry Go Logs RC, 로그 상관관계가 라이브러리 관행에서 SDK 호환성 계약으로 이동한다

OpenTelemetry Go Logs Observability Log Correlation OTLP

2026 개발 트렌드: OpenTelemetry Go Logs RC, 로그 상관관계가 라이브러리 관행에서 SDK 호환성 계약으로 이동한다

9월 1, 2026 ⏱ 8분

OpenTelemetry Go v1.47.0-rc.1의 Logs API·SDK release candidate를 계기로, 애플리케이션 로그를 단순 수집 대상이 아니라 trace context·resource·backpressure를 함께 검증하는 관측성 계약으로 운영하는 기준을 정리합니다.