A single line of code cost $8000

TLDR 9 million file downloads and more than 2 petabytes (2,000,000 gigabytes) of traffic on Google Cloud. Due to a bug, our screen recorder app - screen.studio app kept downloading the auto-update file repeatedly, every 5 minutes for every single user. The update file is approximately 250MB. This resulted inof traffic on Google Cloud. This screenshot might not look so scary at first, but take a look at the scale of it. For over a month, we generated at least 100Mib/s (a second!) and, at times, almost 1GiB/s of traffic (every single second!) That bug was painfully simple and stupid. Screen Studio is a screen recorder for macOS. It is desktop app. It means we need some auto-updater to allow users to install the latest app version easily. The app checks for the update every 5 minutes or when the user activates the app. Normally, when the app detected the update - it downloaded it and stopped the 5 minutes interval until the user installed it and restarted it. Tragic refactor The p ... Read full article.