Tag
ratios
- Jul 17, 2025 Error Budget Units: Why Burn Rate Beats Remaining Budget How a budget derived from a target becomes a rate, why the rate is comparable across services with different targets, and where the arithmetic breaks at low volume. observability
- Jun 3, 2025 The SLI Ratio: Numerator, Denominator, and Measurement Point Why an availability target fixes nothing until the fraction behind it is defined, and how moving the counting location changes the reported number. observability
- Jul 7, 2023 Aggregation Laws: Which Metric Operations Commute Why sums, counts, minimums and maximums survive regrouping while averages and percentiles do not, and how the order of rate and sum changes the answer. observability