GitHub Billing Incident: A Wake-Up Call for Software Engineering Productivity
Even the most robust platforms experience disruptions. A recent incident on GitHub, specifically concerning its billing services, offers a critical…
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The HTTP client with no timeout that took down four services
A recommendations service, which is genuinely optional, started responding slowly. Not failing. Responding, in ninety seconds instead of eighty mill…
From 3:00 AM Panic to Confidence: How I Use AI During On-Call Incidents
In this blog post, we will see how I use AI to speed up incident investigation without letting it take over the decisions that need a human. It is 3…
A hacked WordPress, two attackers, and the hole no antivirus saw
The site is down. Blank page, HTTP 200, no PHP error in the logs. Nothing to grab onto. Googlebot, meanwhile, gets full pages. Links to counterfeit…
How We Handled Our First Major Outage (And Survived)
Three years ago we had our first real outage. Six hours of downtime. Thousands of angry users. Multiple executives on the call. Here's what we did r…
I let an AI handle an outage. It invented a hack that never happened, then spiraled
One evening, a monitoring alert went off: a server behind a web service was down. I handed the incident to an AI coding agent. Half experiment, half…
How We Handled Our First Major Outage (And Survived)
Three years ago we had our first real outage. Six hours of downtime. Thousands of angry users. Multiple executives on the call. Here's what we did r…
3rd OOM on the VPS: Parallel Builds and a flock Mutex Story
Scene: "the sites are down dude" Wednesday, May 7, afternoon. A message on my phone: "the sites are down dude." Quick check: my own blog (mustafaerb…
Docker Ate 56 GB of Disk in a Day: Building a Cleanup Automation
"no posts for hours" — the message I got I noticed it in the evening — my hourly content-generate cron hadn't completed a single successful run sinc…
Stripe Webhook Was Silently Failing for 5 Days: The 4xx Retry Trap and the Beginning-of-Month Time Bomb
TL;DR 21 invoice.paid webhooks failed for 5 straight days in production. We only noticed because Stripe sent a "we'll auto-disable this endpoint by…
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…