Eleven months of ignoring a deprecation warning, one partial payment outage, and a twenty-minute fix I could have done in spring.
Category: Debugging Stories
The Time an Emoji Broke Our Signup Form — Here’s What Saved Me
One user could not get through our signup form for three days, and the error log only said “Incorrect string value”. The fix was one ALTER TABLE on a table I did not know we had.
My Cron Job Ran Fine by Hand and Failed Every Night for a Month
The nightly report cron job worked every time I tested it by hand. It failed every single night for a month, and the fix was one line.
I Spent 4 Hours Chasing a Race Condition — It Was My Own Cache Layer
Four hours. Two engineers. One bug that only showed up a couple of times a day. And the punchline: the code responsible was mine, written six months ago, with a comment that said “simple wrapper, do not overthink.” I did not overthink it. That was the whole problem. The Scene A Tuesday afternoon, support forwarded…
I Spent 3 Hours Debugging — It Was a Typo
Three hours. That’s how long I stared at my screen, questioning my career choices, doubting everything I knew about programming. And you know what the problem was? A single character. A missing letter. A typo. The Scene It was a Friday afternoon. Simple task — fetch some data from an API, process it, save to…
I Spent 3 Hours on a Bug That Was a One-Line Fix
The Bug That Made Me Feel Stupid Three hours. That’s how long I stared at my screen, questioning my career choices, before finding the fix. One line. That’s all it took. Let me tell you what happened. What I Was Building I was working on a simple API endpoint that fetched user data from our…
The Time I Accidentally Deleted Our Production Database
It happened on a Tuesday afternoon I was 23 years old, fresh out of my first startup, and confident. Too confident. We had a small team — me, a frontend dev, and the founder. I was handling everything backend, and honestly, I thought I had it figured out. We were migrating our PostgreSQL database to…
I Accidentally Deleted Production Data at 2 AM — Here’s What Saved Me
It was 2 AM. I was half-asleep, running what I thought was a local database cleanup script. I was wrong. I was connected to production. The Mistake I had a simple script to delete old test records from my local database. Something like: DELETE FROM users WHERE created_at < '2024-01-01' AND environment = 'test'; The...
How I Found the Memory Leak That Was Killing Our Production Server
It was 2 AM when my phone rang. Our production server was down for the third time that week. I pulled up the logs, checked the metrics, and saw the same pattern: memory usage climbing steadily until the OOM killer stepped in and terminated our Node.js process. The Symptoms Let me paint the picture: Restarted…
How I Accidentally Deleted Production Data (And What I Learned)
It was 2 AM. My phone buzzed. Our monitoring system was screaming. I had just run a migration script that was supposed to clean up old records. Instead, it deleted half our user table. Here is what happened and what I learned. The Setup We had a table with inactive users. The business wanted to…