Write Data SLOs Before Thresholds
Define a data SLI and SLO from the consumer decision instead of from whatever metric is easiest to measure.
The move: translate trust into a measurable promise. Start with the decision The consumer's decision defines the service level. Finance may need revenue by 9:00 a.m. with exact reconciliation. Product may need hourly signup direction with tolerable minor lag. Machine-learning features may need schema stability more than human-friendly documentation. Different consumers deserve different indicators. Choose a small set of SLIs Common data SLIs include freshness, completeness, validity, uniqueness, referential integrity, schema compatibility, and reconciliation variance. Pick the few that describe the product's real promise. More indicators can be monitored in the background, but the SLO set should stay small enough…
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