ewma

package

v1.0.0 Latest Latest Go to latest Published: May 30, 2023 License: Apache-2.0 Imports: 9 Imported by: 0

Details

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Repository

github.com/coderi421/gframework

Documentation ¶

Index ¶

type Builder
- func (b *Builder) Build(n selector.Node) selector.WeightedNode
type Node

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Builder ¶

type Builder struct {
	ErrHandler func(err error) (isErr bool)
}

Builder is ewma node builder.

func (*Builder) Build ¶

func (b *Builder) Build(n selector.Node) selector.WeightedNode

Build create a weighted node.

type Node ¶

type Node struct {
	selector.Node
	// contains filtered or unexported fields
}

Node is endpoint instance ewma -> Exponentially Weighted Averages 指数移动加权平均，体现的是一段时间内的平均值 ewma node is a weighted node, it will collect statistic data and calculate a weight. 配合ewma算法，实现 p2c 负载均衡算法

func (*Node) Pick ¶

func (n *Node) Pick() selector.DoneFunc

Pick pick a node.

func (*Node) PickElapsed ¶

func (n *Node) PickElapsed() time.Duration

func (*Node) Raw ¶

func (n *Node) Raw() selector.Node

func (*Node) Weight ¶

func (n *Node) Weight() (weight float64)

Weight is node effective weight.

Source Files ¶

View all Source files

node.go

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