HotSpot: Anomaly Localization for Additive KPIs With Multi-Dimensional Attributes
Additive key performance indicators (KPIs) (such as page view (PV), revenue, and error count) with multi-dimensional attributes (such as ISP, Province, and DataCenter) are common and important in monitoring metrics in Internet companies.When an anomaly happens to an overall KPI, it is critical but challenging to localize the root cause, which is on