Calculate how much error budget an incident consumes and translate it into an operating decision.
The customer API has a 99.9 percent monthly availability SLO. A user-visible outage lasted 22 minutes in a 30-day window. What share of the error budget did it spend, and what should the team do next? Convert SLO target -> allowed bad minutes -> incident share -> operating decision. The common trap is calling an incident small because it was under half an hour. With a tight SLO, 22 minutes can consume most of the month allowance. Step 1 Monthly minutes = 30 days x 24 hours x 60 minutes = 43,200 minutes Use the same window as the SLO.…
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