A cron entry that had been failing silently for six weeks, and a timer that would have said so. Persistent=true runs a missed occurrence after a reboot, which…
Turning on persistence so a restart would stop losing data, which is treating the symptom of data that should not have been there. Persistence on a cache is…
A shell alias mapping docker-compose to docker compose, added in 2021, which meant nobody noticed the old binary was still installed and still being used by two scripts.…
Two services writing settings:41, one meaning customer 41 and one meaning tenant 41, against the same instance. Separate logical databases on one instance are the other answer and…
A routing rule sending database alerts to a person who left the database team in 2023. A personal integration key survives a role change invisibly, because nothing about…
An endpoint with a healthy p95 and one consumer for whom it was consistently slow. Aggregating across consumers averages away exactly the case that generates support tickets, and…
A limit keyed on the client address, and four integrators behind one corporate gateway sharing a quota. Keying on the credential is the only fair unit when consumers…