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Level\nObjectives (SLOs)","originalText":"Service Level\nObjectives 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(Service Level\nObjective):\n\"What target do we\nset for the SLI?\"\nExample: 99.9% of\nrequests successful\nin any 30-day window","originalText":"SLO (Service Level\nObjective):\n\"What target do we\nset for the SLI?\"\nExample: 99.9% of\nrequests successful\nin any 30-day 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= 1.0 →\nconsuming budget at\nexactly planned rate\nburn_rate = 10.0 →\nconsuming budget 10×\nfaster than planned\n→ Budget exhausted\nin 3 days instead of\n30\n→ ALERT immediately","originalText":"burn_rate = 1.0 →\nconsuming budget at\nexactly planned rate\nburn_rate = 10.0 →\nconsuming budget 10×\nfaster than planned\n→ Budget exhausted\nin 3 days instead of\n30\n→ ALERT 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alerting\n(Google SRE Book\napproach):\nFast burn: burn_rate\n> 14.4 over 1h AND >\n14.4 over 5m\n→ 2% of budget\nconsumed in 1 hour →\npage immediately","originalText":"Multi-window alerting\n(Google SRE Book\napproach):\nFast burn: burn_rate\n> 14.4 over 1h AND >\n14.4 over 5m\n→ 2% of budget\nconsumed in 1 hour →\npage 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burn: burn_rate\n> 1.0 over 3d AND >\n1.0 over 6h\n→ Budget being\nsteadily eroded →\nticket (not page)","originalText":"Slow burn: burn_rate\n> 1.0 over 3d AND >\n1.0 over 6h\n→ Budget being\nsteadily eroded →\nticket (not 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SLI computed as a\ntime-series (rolling\nsuccess rate)\n• Error budget\ntracked as a\ntime-series (remaining\nminutes)\n• Burn rate\ncomputed as a\nderived metric\n• Dashboard: error\nbudget remaining,\nburn rate trend","originalText":"Implementation:\n• SLI computed as a\ntime-series (rolling\nsuccess rate)\n• Error budget\ntracked as a\ntime-series (remaining\nminutes)\n• Burn rate\ncomputed as a\nderived metric\n• Dashboard: error\nbudget remaining,\nburn rate trend","textAlign":"left","verticalAlign":"middle","containerId":"shape-18","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":10}}],"appState":{"viewBackgroundColor":"#fbfbf8","gridSize":null},"files":{}}