metrics

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

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

type MetricGC interface {
	Run()
	Stop()
	AddMetric(name string, metric *prometheus.MetricVec)
	UpdateStatus(name string, labels prometheus.Labels)
	RemoveStatus(name string, labels prometheus.Labels)
	CountStatus(name string) int
}

type MetricVecGC interface {
	// Len returns the length of the alive metric statuses.
	Len() int
	// UpdateStatus updates the metric status with the given label values and timestamp (Unix seconds).
	UpdateStatus(updateTime int64, labels prometheus.Labels)
	// RemoveStatus removes the metric status with the given label values.
	RemoveStatus(labels prometheus.Labels)
	// ExpireMetrics expires all metric statuses which are updated before the expired time (Unix seconds).
	ExpireMetrics(expireTime int64) int
}