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Introduce API changes and fetaure gate CPU startup boost
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‎vertical-pod-autoscaler/deploy/vpa-v1-crd-gen.yaml‎

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@@ -372,9 +372,82 @@ spec:
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- Auto
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- "Off"
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type: string
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startupBoost:
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description: |-
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StartupBoost specifies the startup boost policy for the container.
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This overrides any pod-level startup boost policy.
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properties:
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cpu:
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description: CPU specifies the CPU startup boost policy.
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properties:
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duration:
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description: |-
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Duration indicates for how long to keep the pod boosted after it goes to Ready.
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Defaults to 0s.
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type: string
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factor:
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description: Factor specifies the factor to apply
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to the CPU request.
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format: int32
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type: integer
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quantity:
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anyOf:
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- type: integer
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- type: string
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description: Quantity specifies the absolute CPU
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resource quantity.
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pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
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x-kubernetes-int-or-string: true
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type:
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description: |-
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Type specifies the kind of boost to apply.
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Supported values are: "Factor", "Quantity".
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Defaults to "Factor".
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enum:
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- Factor
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- Quantity
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type: string
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type: object
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type: object
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type: object
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type: array
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type: object
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startupBoost:
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description: StartupBoost specifies the startup boost policy for the
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pod.
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properties:
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cpu:
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description: CPU specifies the CPU startup boost policy.
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properties:
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duration:
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description: |-
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Duration indicates for how long to keep the pod boosted after it goes to Ready.
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Defaults to 0s.
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type: string
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factor:
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description: Factor specifies the factor to apply to the CPU
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request.
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format: int32
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type: integer
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quantity:
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anyOf:
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- type: integer
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- type: string
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description: Quantity specifies the absolute CPU resource
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quantity.
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pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
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x-kubernetes-int-or-string: true
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type:
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description: |-
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Type specifies the kind of boost to apply.
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Supported values are: "Factor", "Quantity".
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Defaults to "Factor".
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enum:
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- Factor
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- Quantity
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type: string
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type: object
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type: object
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targetRef:
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description: |-
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TargetRef points to the controller managing the set of pods for the

‎vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1/types.go‎

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@@ -19,6 +19,7 @@ package v1
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import (
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autoscaling "k8s.io/api/autoscaling/v1"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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@@ -107,8 +108,55 @@ type VerticalPodAutoscalerSpec struct {
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// recommendation) or contain exactly one recommender.
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// +optional
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Recommenders []*VerticalPodAutoscalerRecommenderSelector `json:"recommenders,omitempty" protobuf:"bytes,4,opt,name=recommenders"`
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// StartupBoost specifies the startup boost policy for the pod.
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// +optional
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StartupBoost *StartupBoost `json:"startupBoost,omitempty" protobuf:"bytes,5,opt,name=startupBoost"`
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}
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// StartupBoost defines the startup boost policy.
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type StartupBoost struct {
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// CPU specifies the CPU startup boost policy.
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// If this field is not set, no startup boost is applied.
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// +optional
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CPU *CPUStartupBoost `json:"cpu,omitempty" protobuf:"bytes,1,opt,name=cpu"`
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}
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// CPUStartupBoost defines the CPU startup boost policy.
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type CPUStartupBoost struct {
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// Type specifies the kind of boost to apply.
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// Supported values are: "Factor", "Quantity".
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// Defaults to "Factor".
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// +optional
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Type *StartupBoostType `json:"type,omitempty" protobuf:"bytes,1,opt,name=type"`
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// Factor specifies the factor to apply to the CPU request.
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// This field is to be used only when Type is "Factor".
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// +optional
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Factor *int32 `json:"factor,omitempty" protobuf:"bytes,2,opt,name=factor"`
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// Quantity specifies the absolute CPU resource quantity.
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// This field is to be used only when Type is "Quantity".
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// +optional
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Quantity *resource.Quantity `json:"quantity,omitempty" protobuf:"bytes,3,opt,name=quantity"`
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// Duration indicates for how long to keep the pod boosted after it goes to Ready.
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// Defaults to 0s.
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// +optional
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Duration *metav1.Duration `json:"duration,omitempty" protobuf:"bytes,4,opt,name=duration"`
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}
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// StartupBoostType is the type of startup boost.
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// +kubebuilder:validation:Enum=Factor;Quantity
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type StartupBoostType string
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const (
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// FactorStartupBoostType applies a factor to the CPU.
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FactorStartupBoostType StartupBoostType = "Factor"
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// QuantityStartupBoostType applies a fixed quantity to the CPU.
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QuantityStartupBoostType StartupBoostType = "Quantity"
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)
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// EvictionChangeRequirement refers to the relationship between the new target recommendation for a Pod and its current requests, what kind of change is necessary for the Pod to be evicted
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// +kubebuilder:validation:Enum:=TargetHigherThanRequests;TargetLowerThanRequests
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type EvictionChangeRequirement string
@@ -221,6 +269,11 @@ type ContainerResourcePolicy struct {
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// The default is "RequestsAndLimits".
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// +optional
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ControlledValues *ContainerControlledValues `json:"controlledValues,omitempty" protobuf:"bytes,6,rep,name=controlledValues"`
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// StartupBoost specifies the startup boost policy for the container.
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// This overrides any pod-level startup boost policy.
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// +optional
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StartupBoost *StartupBoost `json:"startupBoost,omitempty" protobuf:"bytes,7,opt,name=startupBoost"`
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}
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const (

‎vertical-pod-autoscaler/pkg/features/features.go‎

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@@ -46,6 +46,11 @@ const (
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// InPlaceOrRecreate enables the InPlaceOrRecreate update mode to be used.
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// Requires KEP-1287 InPlacePodVerticalScaling feature-gate to be enabled on the cluster.
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InPlaceOrRecreate featuregate.Feature = "InPlaceOrRecreate"
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// alpha: v1.5.0
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// components: admission-controller, updater
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// CPUStartupBoost enables the CPU startup boost feature.
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CPUStartupBoost featuregate.Feature = "CPUStartupBoost"
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)
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// MutableFeatureGate is a mutable, versioned, global FeatureGate.

‎vertical-pod-autoscaler/pkg/features/versioned_features.go‎

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@@ -27,6 +27,9 @@ import (
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// Entries are alphabetized.
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var defaultVersionedFeatureGates = map[featuregate.Feature]featuregate.VersionedSpecs{
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CPUStartupBoost: {
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{Version: version.MustParse("1.5"), Default: false, PreRelease: featuregate.Alpha},
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},
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InPlaceOrRecreate: {
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{Version: version.MustParse("1.4"), Default: false, PreRelease: featuregate.Alpha},
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},

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