Differences between revisions 1 and 9 (spanning 8 versions)
Revision 1 as of 2019-07-15 20:41:05
Size: 137
Editor: PieterSmit
Comment:
Revision 9 as of 2019-10-31 12:45:19
Size: 1177
Editor: PieterSmit
Comment:
Deletions are marked like this. Additions are marked like this.
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## page was renamed from K8s/Monitoring
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 * Actual cpu usage, not requested {{{
$ kubectl get --raw /apis/metrics.k8s.io/v1beta1/pods
}}}
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kubectl -n kube-system get events -w

kubectl get events --field-selector type=Warning -w &

kubectl get pods -A -w -o wide | grep "^\|Running\|Terminating" &
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 * Node cpu and memory utilization {{{

alias util='kubectl get nodes | grep node | awk '\''{print $1}'\'' | xargs -I {} sh -c '\''echo {} ; kubectl describe node {} | grep Allocated -A 5 | grep -ve Event -ve Allocated -ve percent -ve -- ; echo '\'''

}}}


 * Watch node events (& puts it in background on terminal) {{{
kubectl get pods -A -o wide &
}}}

 * Get cpu metrics {{{
# Get the metrics for all nodes
kubectl get --raw /apis/metrics.k8s.io/v1beta1/nodes | jq

# Get the metrics for all pods
kubectl get --raw /apis/metrics.k8s.io/v1beta1/pods | jq

}}}

# k8s cluster auto scaler {{{
kubectl -n kube-system describe configmap cluster-autoscaler-status

}}}


----
CategoryK8sKubernetes

Kubernetes K8s/Monitoring

  • Actual cpu usage, not requested

    $ kubectl get --raw /apis/metrics.k8s.io/v1beta1/pods
  • Events happening in cluser

    kubectl -n kube-system get events --sort-by='{.lastTimestamp}'
    
    kubectl -n kube-system get events -w
    
    kubectl get events --field-selector type=Warning -w &
    
    kubectl get pods -A -w -o wide | grep "^\|Running\|Terminating" &
  • Node cpu and memory utilization

    alias util='kubectl get nodes | grep node | awk '\''{print $1}'\'' | xargs -I {} sh -c '\''echo   {} ; kubectl describe node {} | grep Allocated -A 5 | grep -ve Event -ve Allocated -ve percent -ve -- ; echo '\'''
  • Watch node events (& puts it in background on terminal)

    kubectl get pods -A -o wide &
  • Get cpu metrics

    # Get the metrics for all nodes
    kubectl get --raw /apis/metrics.k8s.io/v1beta1/nodes | jq
    
    # Get the metrics for all pods
    kubectl get --raw /apis/metrics.k8s.io/v1beta1/pods | jq

# k8s cluster auto scaler

kubectl -n kube-system describe configmap cluster-autoscaler-status


CategoryK8sKubernetes

vigor: k8s/Monitoring (last edited 2020-04-16 20:32:17 by PieterSmit)