Metrics Glossary

• metrics
  • __name__{labels}=value
• __name__
  • https://prometheus.io/docs/practices/naming/
• 异常检测
  • Anomaly Detection
  • Outlier Detection
  • Dynamic Thresholding
  • Adaptive Alerting
  • Z-Score Monitoring
  • Bollinger Bands 布林带
    • “均值 +/- 2倍标准差”组成的通道
  • 过去一段时间的平均值 + N倍标准差
• 3 sigma
  • 1 sigma 68%
  • 2 sigma 95%
  • 3 sigma 99.7% -> 99.7% 的信心确认出问题
  • 过去平均+3倍标准差
  • 正态分布
• 参考
  • https://docs.victoriametrics.com/victoriametrics/keyconcepts/
  • https://prometheus.io/docs/prometheus/latest/querying/api/

Raw Sample

Name Label Sample [Timestamp]

requests_total{path="/", code="200"} 123 4567890