12. A system for anomaly detection in data centers, the system comprising program code stored on non-transient computer-readable media and executable by a processor to: analyze time series data by testing statistical hypotheses corresponding to different operational states of the data center; construct upper and lower bounds based on the statistical hypotheses; and flag anomalies in the time series data based on the upper and lower bounds.
12. A system for anomaly detection in data centers, the system comprising program code stored on non-transient computer-readable media and executable by a processor to: analyze time series data by testing statistical hypotheses corresponding to different operational states of the data center; construct upper and lower bounds based on the statistical hypotheses; and flag anomalies in the time series data based on the upper and lower bounds. 17. The system of claim 12 , wherein the processor is executable online, using limited memory.