The week our API went down and I almost quit ops

Last month I had THE worst week in my 4 years doing SaaS ops. Our main API went dark on a Tuesday morning at 8:15 AM, right when our biggest client was running their daily batch sync. I got a call from their COO screaming about lost revenue. Turns out our monitoring alert was set to the wrong channel so nobody noticed for 45 minutes. I spent the next 3 days rebuilding the integration pipeline from scratch while fielding angry emails from 12 different customers. The real kicker was when I found the root cause: a junior dev pushed a config change that broke our rate limiter, and our change management process had zero checks for that. After fixing everything, I set up a complete audit of all our monitoring setups. Has anyone else dealt with a total system failure from a tiny config tweak? What did you change to prevent it from happening again?

3 comments

3 Comments

aaron_perry2d ago

Took the same approach after my own config disaster - locked down our change approval so nothing goes live without a second pair of eyes from the senior team. Did you end up putting in peer review for every config change or just the critical ones?

laura_chen412d ago

Take a breath before you blow this out of proportion. One bad week doesn't mean your whole ops setup is broken, it means you had a rough patch. Config mistakes happen and you fixed it, so calling it a "serious gap" feels dramatic for something you caught and patched quickly.

roberts.leo2d ago

You're calling it a "tiny config tweak" but honestly that sounds like a serious change management gap, not a small mistake.