Kubelet tuning
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@ -5,7 +5,8 @@ metadata:
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failSwapOn: false
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cgroupDriver: cgroupfs
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logging:
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format: json
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# We already have syslog-ng logging json
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# format: json
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hairpinMode: hairpin-veth
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{{- if .Values.systemd }}
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resolvConf: /run/systemd/resolve/resolv.conf
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@ -22,7 +23,15 @@ featureGates:
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CSIMigrationAWS: true
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CSIMigrationAWSComplete: true
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{{- end }}
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# Minimal unit is 50m per pod
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podsPerCore: 20
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# Basic OS on Ubuntu 20.04 incl. crio
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systemReserved:
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memory: 256Mi
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# This should be dynamic based on number of maxpods and available cores
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# https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture#memory_cpu
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# Below are default minimal for 2 cores and minimum kubelet
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kubeReserved:
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cpu: 50m
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memory: 128m
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cpu: 70m
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memory: 128Mi
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# cpuCFSQuotaPeriod: 10ms
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24
charts/kubeadm/templates/patches/coredns0.yaml
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24
charts/kubeadm/templates/patches/coredns0.yaml
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@ -0,0 +1,24 @@
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spec:
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replicas: {{ ternary 3 1 .Values.clusterHighAvailable }}
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template:
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spec:
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containers:
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- name: coredns
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resources:
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requests:
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cpu: 100m
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memory: 32Mi
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limits:
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memory: 128Mi
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nodeSelector:
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node-role.kubernetes.io/master: ""
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: k8s-app
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operator: In
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values:
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- kube-dns
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topologyKey: "kubernetes.io/hostname"
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7
charts/kubeadm/templates/patches/etcd0.yaml
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7
charts/kubeadm/templates/patches/etcd0.yaml
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@ -0,0 +1,7 @@
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spec:
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containers:
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- name: etcd
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resources:
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requests:
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cpu: 250m
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memory: 192Mi
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7
charts/kubeadm/templates/patches/kube-apiserver0.yaml
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7
charts/kubeadm/templates/patches/kube-apiserver0.yaml
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@ -0,0 +1,7 @@
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spec:
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containers:
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- name: kube-apiserver
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resources:
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requests:
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cpu: 250m
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memory: 1Gi
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@ -0,0 +1,7 @@
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spec:
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containers:
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- name: kube-controller-manager
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resources:
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requests:
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cpu: 200m
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memory: 128Mi
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7
charts/kubeadm/templates/patches/kube-scheduler0.yaml
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7
charts/kubeadm/templates/patches/kube-scheduler0.yaml
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@ -0,0 +1,7 @@
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spec:
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containers:
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- name: kube-scheduler
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resources:
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requests:
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cpu: 100m
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memory: 64Mi
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