replicas

Documentation

Index

• func NewReplicasRecommender(recommender apis.Recommender, ...) (recommender.Recommender, error)
• type PatchReplicas
• type PatchReplicasSpec
• type ReplicasRecommender
  • func (rr *ReplicasRecommender) CheckDataProviders(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) CollectData(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) Filter(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) GetMinReplicas(ctx *framework.RecommendationContext) (int32, float64, float64, error)
  • func (rr *ReplicasRecommender) Name() string
  • func (rr *ReplicasRecommender) Observe(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) Policy(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) PostProcessing(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) PreRecommend(ctx *framework.RecommendationContext) error
  • func (rr *ReplicasRecommender) ProposeMinReplicas(resourceUsage float64, requestTotal int64, targetUtilization float64) (int32, error)
  • func (rr *ReplicasRecommender) Recommend(ctx *framework.RecommendationContext) error

Functions

func NewReplicasRecommender

func NewReplicasRecommender(recommender apis.Recommender, recommendationRule analysisv1alph1.RecommendationRule) (recommender.Recommender, error)

NewReplicasRecommender create a new replicas recommender.

Types

type PatchReplicas

type PatchReplicas struct {
	Spec PatchReplicasSpec `json:"spec,omitempty"`
}

type PatchReplicasSpec

type PatchReplicasSpec struct {
	Replicas *int32 `json:"replicas,omitempty"`
}

type ReplicasRecommender

type ReplicasRecommender struct {
	base.BaseRecommender
	WorkloadMinReplicas  int64
	PodMinReadySeconds   int64
	PodAvailableRatio    float64
	CpuPercentile        float64
	MemPercentile        float64
	DefaultMinReplicas   int64
	CPUTargetUtilization float64
	MemTargetUtilization float64
}

func (*ReplicasRecommender) CheckDataProviders

func (rr *ReplicasRecommender) CheckDataProviders(ctx *framework.RecommendationContext) error

CheckDataProviders in PrePrepare phase, will create data source provider via your recommendation config.

func (*ReplicasRecommender) CollectData

func (rr *ReplicasRecommender) CollectData(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) Filter

func (rr *ReplicasRecommender) Filter(ctx *framework.RecommendationContext) error

Filter out k8s resources that are not supported by the recommender.

func (*ReplicasRecommender) GetMinReplicas

func (rr *ReplicasRecommender) GetMinReplicas(ctx *framework.RecommendationContext) (int32, float64, float64, error)

func (*ReplicasRecommender) Name

func (rr *ReplicasRecommender) Name() string

func (*ReplicasRecommender) Observe

func (rr *ReplicasRecommender) Observe(ctx *framework.RecommendationContext) error

Observe enhance the observability.

func (*ReplicasRecommender) Policy

func (rr *ReplicasRecommender) Policy(ctx *framework.RecommendationContext) error

Policy add some logic for result of recommend phase.

func (*ReplicasRecommender) PostProcessing

func (rr *ReplicasRecommender) PostProcessing(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) PreRecommend

func (rr *ReplicasRecommender) PreRecommend(ctx *framework.RecommendationContext) error

func (*ReplicasRecommender) ProposeMinReplicas

func (rr *ReplicasRecommender) ProposeMinReplicas(resourceUsage float64, requestTotal int64, targetUtilization float64) (int32, error)

ProposeMinReplicas calculate min replicas based on default-min-replicas

func (*ReplicasRecommender) Recommend

func (rr *ReplicasRecommender) Recommend(ctx *framework.RecommendationContext) error