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Appendix: Example of generated SLO document

This is an example SLO document generated in Generate SLO document tutorial.

SLO Document

This document describes the SLOs for example service.
Author john.doe

SLO: availability
Compliance Period 4w

SLI Implementation
Source prometheus 
errorRatio: sum by (job) (rate(http_requests_total{job="example", code!~"2.."}[$window])) / sum by (job) (rate(http_requests_total{job="example"}[$window]))

SLO Target

99% of requests were served successfully.

Clarification and Caveats

  • Request metrics are measured at the load balancer.
  • We only count HTTP 5XX status messages as error codes; everything else is counted as success.