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by jacques_chester
2825 days ago
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This is one of the recommendations given in the Google SRE book: use request-level metrics for SLOs/SLIs where possible. As your systems grow larger the probability of total outage, which would be measured in time, becomes a smaller fraction of the probability of partial outage. Since total outages are a special case of partial outages, use metrics that cleanly measure partial outages. That's request error metrics. |
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