Platform engineer in Amsterdam. Posts about running Kubernetes fleets, GitOps, observability and the numbers behind them. Measured, attributed, with the cost stated next to the win.
The hard part of an SLO is deciding what does not count
The query behind an availability SLO is a one-liner. The decisions about what to leave out of it are the design, and the denominator I chose let a dead service drop out of the number instead of hurting it.