Tag
seasonality
- Sep 21, 2026 Seasonal Baselines and the False Alerts They Prevent A fixed threshold on a metric that varies by weekday produces a stream of alerts that gets ignored; a baseline has to model the periodicity it is compared against. data engineering
- Dec 17, 2025 Anomaly Detection on a Bill That Is Mostly Flat Why a fixed threshold catches nothing in a periodic cost series, how to model a baseline from history, and what a change in resource count does to a detector tuned for price. cloud infrastructure
- Apr 27, 2023 Seasonality and the Limits of Static Alert Thresholds How diurnal and weekly cycles defeat a fixed threshold, what a seasonal baseline measures against, and why differencing a series amplifies its noise in proportion to the step size. observability