The Post-Mortem We Never Had to Write
A missing index turned a routine migration into a 92x query regression. Scry caught it before production. Here's the full replay report.
A missing index turned a routine migration into a 92x query regression. Scry caught it before production. Here's the full replay report.
After 100+ production migrations at Fortune 500 scale, we learned the hardest part isn't the migration itself—it's the confidence gap between staging and production.