PromQL k8s pod 레이블 벡터 매칭

1 개요

PromQL label_app 조인

# label_app="myapp" CPU 사용량 합계 (단건)
sum by (label_app,namespace) (
  rate(container_cpu_usage_seconds_total[5m]) * on (pod) group_left(label_app)
  max by (pod,label_app) (kube_pod_labels{label_app!=""})
)

# label_app="myapp" CPU 사용량 합계 (다건)
sum by (label_app,namespace) (
  rate(container_cpu_usage_seconds_total[5m]) * on (pod) group_left(label_app)
  max by (pod,label_app) (kube_pod_labels{label_app!=""})
)

2 같이 보기

• PromQL

3 참고

• https://5pi.de/2017/11/09/use-prometheus-vector-matching-to-get-kubernetes-utilization-across-any-pod-label/#cpu