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Enable kernel memcg notification via additional flag

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This commit is contained in:
Derek Carr
2016-12-07 10:09:41 -05:00
parent fc361206e7
commit 5b2d1c2c25
8 changed files with 15 additions and 1 deletions
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cmd/kubelet/app/options/options.go
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@@ -249,6 +249,7 @@ func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
fs.DurationVar(&s.EvictionPressureTransitionPeriod.Duration, "eviction-pressure-transition-period", s.EvictionPressureTransitionPeriod.Duration, "Duration for which the kubelet has to wait before transitioning out of an eviction pressure condition.")
fs.Int32Var(&s.EvictionMaxPodGracePeriod, "eviction-max-pod-grace-period", s.EvictionMaxPodGracePeriod, "Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met. If negative, defer to pod specified value.")
fs.StringVar(&s.EvictionMinimumReclaim, "eviction-minimum-reclaim", s.EvictionMinimumReclaim, "A set of minimum reclaims (e.g. imagefs.available=2Gi) that describes the minimum amount of resource the kubelet will reclaim when performing a pod eviction if that resource is under pressure.")
fs.BoolVar(&s.ExperimentalKernelMemcgNotification, "experimental-kernel-memcg-notification", s.ExperimentalKernelMemcgNotification, "If enabled, the kubelet will integrate with the kernel memcg notification to determine if memory eviction thresholds are crossed rather than polling.")
fs.Int32Var(&s.PodsPerCore, "pods-per-core", s.PodsPerCore, "Number of Pods per core that can run on this Kubelet. The total number of Pods on this Kubelet cannot exceed max-pods, so max-pods will be used if this calculation results in a larger number of Pods allowed on the Kubelet. A value of 0 disables this limit.")
fs.BoolVar(&s.ProtectKernelDefaults, "protect-kernel-defaults", s.ProtectKernelDefaults, "Default kubelet behaviour for kernel tuning. If set, kubelet errors if any of kernel tunables is different than kubelet defaults.")