Retrying forever against a dead endpoint is a queue that grows without bound, and disabling silently is worse than disabling loudly. The re-enable link in the email is…
Two services generating their own request identifiers means two traces for one request and no way to connect them. Deciding where the identifier originates is the whole conversation,…
A long window detects a sustained problem and keeps firing for hours after it ends, which trains people to ignore the alert. The long window is doing the…
Announcing a removal date without instrumentation means the date arrives and nobody can say whether removing it is safe. The brownout — disabling deliberately for a short window…
A database-backed queue marks a job reserved while it runs, and a worker killed mid-job leaves the row reserved forever. The retry-after window has to exceed the longest…
An image scanner identifies packages from manifests, so anything installed by a shell pipe or copied in as a binary is invisible to it. A green scan means…
A deprecation cannot complete without knowing who is still calling, and an aggregate request count answers none of the questions that matter. The client identifier being a bounded…