25Traffic grew thirty percent a quarter and our model said two years of headroom. We ran out in five months. What went wrong?▼hardNewNetflixLinkedInFlipkart◆ premiumWhere linear models break: compounding growth, step functions, peak days and saturation cliffs. Forecast per constrained resource, backtest, subtract lead time to get the real order-by date.Open full answer →
27Our anomaly detection flags every deploy and sleeps through real incidents. Where does anomaly detection actually work?▼mediumNewDatadogNetflixRazorpay◆ premiumDetectors earn their keep on seasonal aggregates and fleets of similar series, run in shadow mode with measured precision. They lie on low-volume series, bursty workloads and regime changes.Open full answer →