metrics

package

v0.4.0 Latest Latest Go to latest Published: Apr 26, 2024 License: Apache-2.0 Imports: 15 Imported by: 0

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func LabelsForShard(namespace string, shard int64) map[string]any

type Counter interface {
	Inc()
	Add(incr int)
}

Counter is a monotonically increasing counter.

func NewCounter(name string, description string, unit Unit, labels map[string]any) Counter

type Gauge interface {
	Unregister()
}

func NewGauge(name string, description string, unit Unit, labels map[string]any, callback func() int64) Gauge

type Histogram interface {
	Record(value int)
}

func NewBytesHistogram(name string, description string, labels map[string]any) Histogram

func NewCountHistogram(name string, description string, labels map[string]any) Histogram

type LatencyHistogram interface {
	Timer() Timer
}

func NewLatencyHistogram(name string, description string, labels map[string]any) LatencyHistogram

type PrometheusMetrics struct {
	io.Closer
	// contains filtered or unexported fields
}

func Start(bindAddress string) (*PrometheusMetrics, error)

func (p *PrometheusMetrics) Close() error

func (p *PrometheusMetrics) Port() int

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

func (tm Timer) Done()

type Unit string

const (
	Dimensionless Unit = "1"
	Bytes         Unit = "By"
	Milliseconds  Unit = "ms"
)

type UpDownCounter interface {
	Counter
	Dec()
	Sub(diff int)
}

UpDownCounter is a counter that is incremented and decremented to report the current state.

func NewUpDownCounter(name string, description string, unit Unit, labels map[string]any) UpDownCounter