sampler

Documentation

Index

• type Sampler
  • func New(tick time.Duration, first, thereafter int) *Sampler
  • func (s *Sampler) Check(now time.Time) bool

Types

type Sampler

type Sampler struct {
	// contains filtered or unexported fields
}

func New

func New(tick time.Duration, first, thereafter int) *Sampler

每tick间隔内: 1. 对前first个请求返回true 2. 之后开始采样，采样率为1/thereafter

func (*Sampler) Check

func (s *Sampler) Check(now time.Time) bool