metrics

Documentation

Index

• type LabelHash
• type Metric
• type MetricHolder
• type MetricType
• type NameHash
• type RegisteredMetric
• type ValueHash
• type Vector
• type VectorHolder

Types

type LabelHash

type LabelHash struct {
	// This is a hash over the label names
	Names NameHash
	// This is a hash over the label names + label values
	Values ValueHash
}

type Metric

type Metric struct {
	MetricType MetricType
	// Vectors key is the hash of the label names
	Vectors map[NameHash]*Vector
	// Metrics key is a hash of the label names + label values
	Metrics map[ValueHash]*RegisteredMetric
}

type MetricHolder

type MetricHolder interface{}

type MetricType

type MetricType int

const (
	CounterMetricType MetricType = iota
	GaugeMetricType
	SummaryMetricType
	HistogramMetricType
)

type NameHash

type NameHash uint64

type RegisteredMetric

type RegisteredMetric struct {
	LastRegisteredAt time.Time
	Labels           prometheus.Labels
	TTL              time.Duration
	Metric           MetricHolder
	VecKey           NameHash
}

type ValueHash

type ValueHash uint64

type Vector

type Vector struct {
	Holder   VectorHolder
	RefCount uint64
}

type VectorHolder

type VectorHolder interface {
	Delete(label prometheus.Labels) bool
}