The Fire That Reached the Backups: The OVHcloud Strasbourg Data-Centre Fire, 2021
Tales from the Bare Metal — Episode 05 In the early hours of 10 March 2021, a fire began in a power room in Strasbourg. By morning an entire data cent…
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I Vibe-Coded a Stock Screener Into Production. Then My 2GB Server OOMed and Google De-Indexed Me.
Series intro. I'm a non-CS solo dev who built and shipped a production stock screener almost entirely by "vibe coding" with an AI agent. The site work…
I got tired of writing post-mortems — so I built RCAi for SREs
I'm an SRE at Sony Interactive Entertainment. After a week where my teammate had four incidents (and four RCAs), I built something for the blank-page …
My agent could see the dropdown. It just couldn't pick anything.
The agent had a list. I asked it to pick an item. It refused. Element not found Refresh. Same. So I opened DevTools and pasted in: document . querySel…
Баги, которые нас воспитали: инженерные истории с Go Loto
Каждый разработчик помнит тот самый момент, когда система, которая только что работала идеально, вдруг начинает вести себя так, будто сошла с ума. Ког…
Как auto-update n8n нашёл мину которая лежала 8 месяцев в node_modules
20 мая в 06:01:55 МСК Watchtower по расписанию проверил 14 контейнеров на нашем VPS, нашёл 5 обновлений и пересоздал. Среди обновлённых - n8n, который…
Культура инцидентов. Почему поиск виновных на постмортемах убивает надёжность системы
Когда прод падает, первый управленческий рефлекс — найти человека, после которого всё сломалось. Проблема в том, что такой разбор почти…
Postmortem: A Vercel Edge Function Timeout Caused Our Global API to Fail for 30 Minutes
Postmortem: A Vercel Edge Function Timeout Caused Our Global API to Fail for 30 Minutes On October 17, 2024, at 14:22 UTC, our global API experienced …
Postmortem: How a Corrupted Node Modules Folder Caused 3-Hour Outage for Our CI Pipeline
Postmortem: How a Corrupted Node Modules Folder Caused 3-Hour Outage for Our CI Pipeline Published: October 26, 2024 | Author: DevOps Team | 5 min rea…
Postmortem: AI Incident Classifier Failed Due to Biased Training Data and Scikit-Learn 1.5
In Q3 2024, a production AI incident classifier mislabeled 42% of critical security incidents as 'low priority' over 72 hours, causing $2.1M in SLA br…
Postmortem: A Corrupted Loki 2.10 Log Store Caused 3 Days of Lost Debug Data
Postmortem: A Corrupted Loki 2.10 Log Store Caused 3 Days of Lost Debug Data Overview On October 12, 2024, at 09:15 UTC, our observability team detect…
Postmortem: How a LangGraph 0.1 Multi-Agent Bug Broke Our 2026 Customer Support Bot
Postmortem: How a LangGraph 0.1 Multi-Agent Bug Broke Our 2026 Customer Support Bot Executive Summary On October 12, 2026, our production customer sup…
The Postmortem of a 20-Minute Kafka 3.8 Outage That Delayed 1M Order Messages
On October 12, 2024, a misconfigured Kafka 3.8 broker idempotent write setting caused a 20-minute total outage that delayed 1,047,892 order messages, …