Description: MetricDescription{
						Namespace: minioNamespace,
						Subsystem: notifySubsystem,
						Name:      "target_queue_length",
						Help:      "Number of events currently staged in the queue_dir configured for the target",
						Type:      gaugeMetric,
					},
					VariableLabels: map[string]string{"target_id": id.ID, "target_name": id.Name},
					Value:          float64(st.CurrentQueue),

| `minio_notify_target_queue_length`             | Number of events currently staged in the queue_dir configured for the target.                                                               |