metrics

func Handler ¶

func Handler() http.Handler

Handler returns a placeholder metrics handler when Prometheus build tag not enabled.

func IncRedaction ¶

func IncRedaction()

func IncRequest ¶

func IncRequest(proto, method, host string)

func LastObservedWALLagMs ¶

func LastObservedWALLagMs() int64

LastObservedWALLagMs returns the last observed WAL lag in ms (test helper).

func ObserveAddedLatencyMs ¶

func ObserveAddedLatencyMs(ms float64)

func ObserveBodyBytes ¶

func ObserveBodyBytes(n float64)

func ObserveDurationMs ¶

func ObserveDurationMs(proto, method, host string, ms float64)

func ObserveWALLagMs ¶

func ObserveWALLagMs(ms float64)

func Start ¶

func Start(addr string)