Method Track

pkg/util/labelset/tracker.go:38–50

Track accepts userID, label set and hash of the label set limit.

(userId string, hash uint64, labelSet labels.Labels)

// Track accepts userID, label set and hash of the label set limit.
func (m *LabelSetTracker) Track(userId string, hash uint64, labelSet labels.Labels) {
	s := m.shards[util.HashFP(model.Fingerprint(hash))%numMetricShards]
	s.Lock()
	if userEntry, ok := s.userLabelSets[userId]; ok {
		if _, ok2 := userEntry[hash]; !ok2 {
			userEntry[hash] = labelSet
		}
	} else {
		s.userLabelSets[userId] = map[uint64]labels.Labels{hash: labelSet}
	}
	// Unlock before we update metrics.
	s.Unlock()
}

// UpdateMetrics cleans up dangling user and label set from the tracker as well as metrics.
// It takes a function for user to customize the metrics cleanup logic when either a user or