Banshee is a real-time anomalies(outliers) detection system for periodic metrics.
- Go >= 1.4 and godep.
- Node and gulp.
- Clone the repo.
- Build binary via
make. - Build static files via
make static.
3-sigma:
>>> import numpy as np
>>> x = np.array([40, 52, 63, 44, 54, 43, 67, 54, 49, 45, 48, 54, 57, 43, 58])
>>> mean = np.mean(x)
>>> std = np.std(x)
>>> (80 - mean) / (3 * std)
1.2608052883472445 # anomaly, too big
>>> (20 - mean) / (3 * std)
-1.3842407711224991 # anomaly, too smallhttps://godoc.org/github.com/eleme/banshee
https://www.npmjs.com/package/statsd-banshee
https://godoc.org/github.com/eleme/banshee#hdr-Migrate_from_bell
MIT Copyright (c) 2015 - 2016 Eleme, Inc.