promoter

type DefaultPromoter struct{}

type Func func(key string, data []byte, stats Stats) bool

type HCStats struct {
	MostRecentQPS  float64
	LeastRecentQPS float64
	HCSize         int64
	HCCapacity     int64
}

type Interface interface {
	ShouldPromote(key string, data []byte, stats Stats) bool
}

type PreviouslyKnownPromoter struct{}

type ProbabilisticPromoter struct {
	ProbDenominator int
}

type Stats struct {
	// Request-rate for this key (possibly with some windowing applied)
	KeyQPS float64
	// Number of hits for this key (also possibly with some windowing applied)
	// This will be zero if there is no record of this key (not seen before
	// or tracking expired)
	Hits    int64
	HCStats *HCStats
}