Sheet ⁨01⁩ · ⁨Sheet⁩Surveyed ⁨2026⁩

Reliability

Three Dashboards Reported Zero Revenue, and Every Job Exited 0

A vendor changed an SFTP filename. One cron job silently produced a zero-row file, six downstream jobs consumed it happily, and by morning three dashboards reported zero revenue. Nothing alerted, because nothing had technically failed.

A Regional Control-Plane Failure Took a Payments API Offline

A money-movement API ran in one AWS region for years. A regional control-plane incident took it offline for hours with nowhere to fail over to. The fix was idempotency first, then a second region.