https://blog.i544c.com/2026-08-19T21:30:00+09:002026-08-19T21:30:00+09:002026-08-19T21:30:00+09:00Isaac Parktag:blog.i544c.com,2026-08-19:/firestore-deep-dive-part-2.html

<p>Firestore는 용량을 미리 잡아둘 수 없어서 런칭 순간의 급증에 429로 응답합니다. split이 부하를 보고 생긴다는 가설을 외부 프로브의 p95로 검증하고, 100K ops/s까지 데운 실측과 그 과정에서 드러난 워밍업의 한계를 정리합니다.</p>

2026-08-19T21:00:00+09:002026-08-19T21:00:00+09:00Isaac Parktag:blog.i544c.com,2026-08-19:/firestore-deep-dive-part-1.html

<p>Firestore가 Megastore 위의 Datastore에서 출발해 Spanner 위로 다시 구현되기까지의 역사와, 문서 DB로서의 특성, 그리고 그 아래 Spanner의 키 공간·split·Paxos·TrueTime이 읽기와 쓰기 한 건에 어떻게 관여하는지를 정리합니다.</p>

2026-05-21T14:00:00+09:002026-05-29T18:24:00+09:00박이삭tag:blog.i544c.com,2026-05-21:/opentelemetry-langfuse-bunsancujeog-siseutem-gucug.html

<p>OpenTelemetry · Langfuse · ClickHouse 기반 LLM 서비스 분산 추적</p>

2026-03-12T16:52:00+09:002026-03-12T16:52:00+09:00Isaac Parktag:blog.i544c.com,2026-03-12:/mugeoun-sql-kweori-coejeoghwa-5co-300ms-gaeseongwajeong.html

<p>관리자 목록 조회의 5초짜리 SQL 병목을 프로파일링으로 원인을 분해하고, 불필요한 JOIN·ORM 로딩·N+1 쿼리를 제거해 300ms대로 개선한 최적화 사례</p>

2026-03-09T19:00:00+09:002026-03-10T11:39:00+09:00Isaac Parktag:blog.i544c.com,2026-03-09:/maegbug-hwamyeon-jamgeum-weongyeog-jeeo-claude-code-muin-silhaeng-gaideu.html

<p>MacBook을 잠금 상태로 두면서 Claude Code를 계속 실행하고, 스마트폰으로 원격 제어하는 방법을 caffeinate와 Remote Control로 구성하는 가이드.</p>

2026-02-23T17:15:00+09:002025-02-23T17:15:00+09:00박이삭tag:blog.i544c.com,2026-02-23:/telepresence-oss-daean-istiomtls-seobiseumesi-hwangyeongeseo-mirrordro-rokeol-gaebal-rupeu-guseonghagi.html

<p>로컬개발환경 istio k8s클러스터 연결하는 툴 mirrord</p>

2026-01-15T19:01:00+09:002026-01-19T11:25:00+09:00박이삭tag:blog.i544c.com,2026-01-15:/telepresence-oss-rokeol-gaebalhwangyeong-kubernetes-cluster-networke-butineun-bangbeob.html

<p>로컬개발환경 k8s클러스터 연결하는 툴 Telepresence</p>

2025-09-08T11:59:00+09:002025-09-08T14:59:00+09:00박이삭tag:blog.i544c.com,2025-09-08:/how-os-boots-up-part-1.html

<p>OS bootup explained</p>

2025-08-22T09:06:00+09:002025-08-22T09:06:00+09:00박이삭tag:blog.i544c.com,2025-08-22:/pycon-korea-2025-balpyo.html

<p>PyCon Korea 2025 발표</p>

2025-07-28T04:21:00+09:002025-07-28T04:29:00+09:00박이삭tag:blog.i544c.com,2025-07-28:/unicode-byte-order-markbom.html

<p>Unicode BOM</p>

2025-06-30T13:15:00+09:002025-06-30T13:26:00+09:00박이삭tag:blog.i544c.com,2025-06-30:/mysql80-explain-explained.html

<p>MySQL query optimization</p>

2025-05-19T13:32:00+09:002025-05-19T14:24:00+09:00박이삭tag:blog.i544c.com,2025-05-19:/budongsosujeomfloat-jeongmildowa-decimalbigintga-pilyohan-iyu.html

<p>floating point and bigint, decimal</p>

2025-04-03T16:47:00+09:002025-04-07T07:32:00+09:00박이삭tag:blog.i544c.com,2025-04-03:/django-migration-unittest-mic-teureobeulsyuting.html

<p>migration using pytest</p>

2025-03-24T14:47:00+09:002025-03-24T15:01:00+09:00박이삭tag:blog.i544c.com,2025-03-24:/model-context-protocolmcp-sogae-gaenyeom-gisul-gujowa-hwalyong-sarye.html

<p>Introduction to MCP</p>

2024-12-30T13:10:00+09:002024-12-30T13:39:00+09:00박이삭tag:blog.i544c.com,2024-12-30:/llm-embedding-vector-databaseyi-sogae.html

<p>LLM embedding</p>

2024-12-16T13:52:00+09:002024-12-16T14:47:00+09:00박이삭tag:blog.i544c.com,2024-12-16:/os-apiwa-overheadyi-ihae.html

<p>OS API Overhead</p>

2024-11-18T11:33:00+09:002024-11-19T08:38:00+09:00박이삭tag:blog.i544c.com,2024-11-18:/context-switch-peuroseseu-seuredeu-mic-obeohedeu-ihaehagi.html

<p>Context Switch</p>

2024-10-21T14:19:00+09:002024-10-21T15:44:00+09:00박이삭tag:blog.i544c.com,2024-10-21:/branchless-programming.html

<p>Branchless programming</p>

2024-10-07T14:56:00+09:002024-10-11T10:45:00+09:00박이삭tag:blog.i544c.com,2024-10-07:/cache-prefetchinggwa-sequential-processingyi-jangjeom.html

<p>cache prefeching &amp; sequential processing</p>

2024-08-08T14:56:00+09:002024-08-19T17:13:00+09:00박이삭tag:blog.i544c.com,2024-08-08:/loki-sogae-mic-rogeusiseutem-gucug.html

<p>Loki, log system</p>