defer list.statLock.Unlock()

	stats, ok := list.targetStats[id]
	if !ok {
		// should not happen
		return
	}

	stats.currentSendCalls--
	list.targetStats[id] = stats
	return
}

func (list *TargetList) incFailedEvents(id TargetID) {
	list.statLock.Lock()
	defer list.statLock.Unlock()

	stats, ok := list.targetStats[id]
	if !ok {
		stats = targetStat{}
	}

			}
			if hm.Mem != nil && len(hm.Mem.Info.Addr) > 0 {
				labels := map[string]string{}
				stats := hm.Mem.Info
				updateResourceMetrics(memSubsystem, total, float64(stats.Total), labels, false)
				updateResourceMetrics(memSubsystem, memUsed, float64(stats.Used), labels, false)
				perc := math.Round(float64(stats.Used*100*100)/float64(stats.Total)) / 100

  # Retrieve Envoy server metrics in prometheus format with custom proxy admin port
  istioctl experimental envoy-stats <pod-name[.namespace]> --output prom --proxy-admin-port 15000

  # Retrieve Envoy server metrics in prometheus format with merged application metrics
  istioctl experimental envoy-stats <pod-name[.namespace]> --output prom-merged

  # Retrieve Envoy cluster metrics

	gcStats := debug.GCStats{
		// If stats.PauseQuantiles is non-empty, ReadGCStats fills
		// it with quantiles summarizing the distribution of pause time.
		// For example, if len(stats.PauseQuantiles) is 5, it will be
		// filled with the minimum, 25%, 50%, 75%, and maximum pause times.
		PauseQuantiles: make([]time.Duration, 5),
	}
	debug.ReadGCStats(&gcStats)
	// Truncate GC stats to max 5 entries.
	if len(gcStats.PauseEnd) > 5 {

	driveRealtimeMetrics := collectLocalMetrics(types, collectMetricsOpts{
		hosts: map[string]struct{}{
			globalLocalNodeName: {},
		},
	})

	stats := map[string]madmin.DiskIOStats{}
	for d, m := range driveRealtimeMetrics.ByDisk {
		stats[d] = m.IOStats
	}
	return stats
}

func (m *MetricValues) setDriveBasicMetrics(drive madmin.Disk, labels []string) {
	m.Set(driveUsedBytes, float64(drive.UsedSpace), labels...)

func (es *expiryState) enqueueTierJournalEntry(je jentry) {
	wrkr := es.getWorkerCh(je.OpHash())
	if wrkr == nil {
		es.stats.missedTierJournalTasks.Add(1)
		return
	}
	select {
	case <-GlobalContext.Done():
	case wrkr <- je:
	default:
		es.stats.missedTierJournalTasks.Add(1)
	}
}

// enqueueFreeVersion enqueues a free version to be deleted

		n := cnt[key]
		cnt[key]++
		key = fmt.Sprintf("sys_%s_%d", key, n)
		res[key] = t.Stats()
	}

	for _, t := range audit {
		key := strings.ToLower(t.Type().String())
		n := cnt[key]
		cnt[key]++
		key = fmt.Sprintf("audit_%s_%d", key, n)
		res[key] = t.Stats()
	}

	return res
}

// AddSystemTarget adds a new logger target to the
// list of enabled loggers

						Value:       float64(s.ProxyStats.RmvTagFailedTotal),
					})
				}
				if stats.hasReplicationUsage() {
					for arn, stat := range stats.Stats {
						metrics = append(metrics, MetricV2{
							Description:    getRepFailedBytesLastMinuteMD(bucketMetricNamespace),
							Value:          float64(stat.Failed.LastMinute.Bytes),
							VariableLabels: map[string]string{"bucket": bucket, "targetArn": arn},

			for arn, stat := range flat.ReplicationStats.Targets {
				bui.ReplicationInfo[arn] = BucketTargetUsageInfo{
					ReplicationPendingSize:  stat.PendingSize,
					ReplicatedSize:          stat.ReplicatedSize,
					ReplicationFailedSize:   stat.FailedSize,
					ReplicationPendingCount: stat.PendingCount,
					ReplicationFailedCount:  stat.FailedCount,
					ReplicatedCount:         stat.ReplicatedCount,

		}(index)
	}

	wg.Wait()
	merged := globalTransitionState.getDailyAllTierStats()
	for i, stat := range lastDayStats {
		if errs[i] != nil {
			peersLogOnceIf(ctx, fmt.Errorf("failed to fetch last day tier stats: %w", errs[i]), sys.peerClients[i].host.String())
			continue
		}
		merged.merge(stat)
	}
	return merged
}

// GetReplicationMRF - Get replication MRF from all peers.