Scaling Only Cart and Checkout for Black Friday: Why One Targeted Change Rewrote Our Vendor Strategy
https://record-wiki.win/index.php/How_Retail_CTOs_Stop_Scaling_the_Monolith_and_Start_Scaling_What_Matters
I learned the hard way. Three failed projects, a dozen vendors, and a Black Friday where we nearly melted our infrastructure taught me that you do not need to scale everything to survive peak days