sinceLastSyncMillis                    = "since_last_sync_millis"
	syncFailures                           = "sync_failures"
	syncSuccesses                          = "sync_successes"
)

var (
	lastSyncDurationMillisMD                 = NewCounterMD(lastSyncDurationMillis, "Last successful IAM data sync duration in milliseconds")

				},
				Value: float64(sinceLastSyncMillis),
			},
			{
				Description: MetricDescription{
					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "sync_successes",
					Help:      "Number of successful IAM data syncs since server uptime",
					Type:      counterMetric,
				},
				Value: float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshSuccesses)),
			},
			{