SRE Calculations

August 2, 2020

sre slo burn-rate

Downtime → SLO

Minutes

Seconds

Daily : 97.91667%Weekly: 99.70238%28 Day: 99.9256%30 Day: 99.93056%90 Day: 99.97685%Yearly: 99.99429%

SLO → Downtime

SLO

Daily : 1 minute 26 secondsWeekly: 10 minutes 5 seconds28 day: 40 minutes 19 seconds30 Day: 43 minutes 12 seconds90 Day: 2 hours 9 minutes 36 secondsYearly: 8 hours 45 minutes 36 seconds

Error Rate Burn

Instantaneous Error Rate

How long does it take to exhaust an error budget given an Error Rate?

*Assuming 24/7 monitoring and ideal days and years.