Four mechanisms built between 2023 and 2025, and the first incident where all of them were exercised at once. The absence alert is the one that did the…
A query that was fine at four hundred thousand rows, acceptable at four million, and unusable at twelve. A query whose cost grows with the data is not…
A synced pattern on forty-one pages, nine of which had been detached and were now divergent copies. Detaching is one click with no confirmation and no subsequent indication,…
A reporting database rebuilt nightly, and a failure that produced a stale copy rather than an error. A half-completed rebuild is worse than a failed one because the…
An alert per integration that fires when it stops doing anything, which is the category nobody adds. Every alert we had was for a value being too high…
An API key making four hundred requests a day, belonging to nobody we had a record of. A key labelled “test” making four hundred production requests a day…
A monthly report on retention that nobody read, converted into three assertions that fail. A report describes and an assertion fails, and the difference is whether anybody has…