Postmortem: 7 patrones de fracaso en pilotos de IA (y como corregirlos)
Jan 6 · 2 min read · Problema Pilotos de IA se repiten sin aprendizaje estructurado y queman credibilidad interna. Tras dos o tres POCs fallidos, el equipo deja de proponer casos de uso. La confianza se pierde antes que el presupuesto. Tesis Sin postmortem operativo, cad...
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From Signals to Reliability: SLOs, Runbooks and Post-Mortems
Nov 2, 2025 · 15 min read · All configuration examples, templates and alert rules are in the kubernetes-observability repository. You can build perfect observability infrastructure. Deploy unified OpenTelemetry pipelines, add security telemetry, implement continuous profiling....
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Your Post-Mortems Are Useless (Unless You Automate Them)
Oct 22, 2025 · 4 min read · It’s 3 AM and PagerDuty is screaming. The coffee is gone. The war room is a chorus of half-formed sentences and console logs. We push a hotfix, traffic calms, and the on call engineer gets a well earned sigh of relief. Then we do the civilized thing:...
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Welcome to What Didn’t Work
Oct 11, 2025 · 1 min read · Every founder, builder, and dreamer has stories they don’t usually tell — the experiments that failed, the projects that collapsed, the decisions that didn’t turn out as planned. This is that space. Here at What Didn’t Work, we focus on lessons from ...
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Grizzifi's $61,000 Drained: A Post-Mortem on Flawed Economics and Predictable Collapse
Aug 20, 2025 · 5 min read · In the mid hours of August 13, 2025, the Grizzifi protocol, a high-yield USDT staking platform on the BNB Smart Chain, suffered a catastrophic failure. Over a series of 64 meticulously crafted transactions, a single attacker drained the contract’s en...
Join discussionNode.js 버전으로 인한 키 쌍 조회 실패 디버깅 회고
Jul 19, 2025 · 3 min read · 최근 Fedify 라이브러리를 사용해 ActivityPub 기반 마이크로 블로그를 만드는 튜토리얼을 따라하다가, 예상치 못한 버그에 부딪혔어요. federation.ts 파일에서 키 쌍이 제대로 생성되는데도 조회가 실패하는 문제였죠. 이 글은 그 디버깅 과정을 회고하며, 비슷한 함정을 피할 수 있도록 내용을 정리해봅니다. (튜토리얼 링크: Fedify 튜토리얼 - 테스트 2) 문제: 키 쌍이 DB에 있는데 왜 조회가 안 될까? 프로젝트를 진행하...
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Kubernetes Outage Postmortem: Nodes Stuck in NotReady Due to CNI Failure
May 28, 2025 · 3 min read · Recently, we encountered a critical production outage in our Kubernetes cluster. New nodes provisioned during autoscaling remained in a NotReady state, leading to service disruptions and failed health checks across workloads. In this post, I’ll walk ...
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Postmortem: Building a New Email Microservice to Stand Beside a Legacy System
May 9, 2025 · 7 min read · Background & Requirements About two years ago, I led a project to build a new email microservice for our company. The existing system—built about 15 years ago—was embedded in a monolithic codebase using a now-less-popular language. It sent customer e...
Join discussionSendTheSong: A Postmortem Analysis
Dec 15, 2024 · 7 min read · On Sunday, 27 October 2024 21:39 UTC+7, SendTheSong was born. SendTheSong is a website where users can post anonymously & see messages for them with a twist of sharing your favorite song or just discovering new music. The Genesis https://twitter.com...
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