ch := make(chan prometheus.Metric)
	go func() {
		defer xioutil.SafeClose(ch)
		// Collects prometheus metrics from hist and sends it over ch
		hist.Collect(ch)
	}()

	// Converts metrics received into internal []Metric type
	var metrics []MetricV2
	for promMetric := range ch {
		dtoMetric := &dto.Metric{}
		err := promMetric.Write(dtoMetric)

			case v := <-updateCloser:
				update()
				xioutil.SafeClose(v)
				return
			case <-updateTicker.C:
				update()
			}
		}
	}()

	wg.Wait()
	ch := make(chan struct{})
	select {
	case updateCloser <- ch:
		<-ch
	case <-ctx.Done():
		mu.Lock()
		if firstErr == nil {
			firstErr = ctx.Err()
		}
		defer mu.Unlock()
	}
	return firstErr
}

	metricsGroups []*MetricsGroupV2
	desc          *prometheus.Desc
}

// Describe sends the super-set of all possible descriptors of metrics
func (c *minioResourceCollector) Describe(ch chan<- *prometheus.Desc) {
	ch <- c.desc
}

// Collect is called by the Prometheus registry when collecting metrics.
func (c *minioResourceCollector) Collect(out chan<- prometheus.Metric) {
	var wg sync.WaitGroup

	// Watch for IAM config changes for iamStorageWatcher.
	watcher, isWatcher := sys.store.IAMStorageAPI.(iamStorageWatcher)
	if isWatcher {
		go func() {
			ch := watcher.watch(ctx, iamConfigPrefix)
			for event := range ch {
				if err := sys.loadWatchedEvent(ctx, event); err != nil {
					// we simply log errors
					iamLogIf(ctx, fmt.Errorf("Failure in loading watch event: %v", err), logger.WarningKind)
				}

		}
		return
	}

	var ch, healCh chan<- ReplicationWorkerOperation
	switch ri.OpType {
	case replication.HealReplicationType, replication.ExistingObjectReplicationType:
		ch = p.mrfReplicaCh
		healCh = p.getWorkerCh(ri.Name, ri.Bucket, ri.Size)
	default:
		ch = p.getWorkerCh(ri.Name, ri.Bucket, ri.Size)
	}
	if ch == nil && healCh == nil {
		return
	}

	select {

¨CSumAlgo ¨PartNums‘ ©PartETagsÀ©PartSizes‘Ñ ŠªPartASizes‘Ñ Š¤SizeÑ Š¥MTimeÓ É žÕô §MetaSys ¼x-minio-internal-inline-dataÄ true§MetaUsr‚¤etagÙ 481841022d5df9056cb9¬content-type¸application/octet-stream¡v Φ“í ¤nullÄ4þãšh2ÙQTÑÞ´’· Ú ø@-•)kë [Šå Íp" Â¥Cache ˆ¢ch ¢sz ¢os multisitea/data/disterasure/xl5/.minio.sys/buckets/bucket/.usage-cache.bin/xl.meta XL2 Æ } Ä$•Ä Ó É ž³í Ä -˜•K Å Qƒ¤Type ¥V2ObjÞ ¢IDÄ ¤DDirÄ ï/b‘ ·C¾—ÕÌx3Áà ¦EcAlgo £EcM £EcN §EcBSizeÒ §EcIndex ¦EcDistœ ¨CSumAlgo ¨PartNums‘ ©PartETagsÀ©PartSizes‘Ñ...

}

// Create a clone of the entry.
func (e dataUsageEntry) clone() dataUsageEntry {
	// We operate on a copy from the receiver.
	if e.Children != nil {
		ch := make(dataUsageHashMap, len(e.Children))
		for k, v := range e.Children {
			ch[k] = v
		}
		e.Children = ch
	}
	if e.ReplicationStats != nil {
		// Clone ReplicationStats
		e.ReplicationStats = e.ReplicationStats.clone()
	}
	if e.AllTierStats != nil {

}

// Describe - implements prometheus.Collector interface.
func (mg *MetricsGroup) Describe(ch chan<- *prometheus.Desc) {
	for _, desc := range mg.Descriptors {
		ch <- desc.toPromDesc(mg.CollectorPath.metricPrefix(), mg.ExtraLabels)
	}
}

// Collect - implements prometheus.Collector interface.
func (mg *MetricsGroup) Collect(ch chan<- prometheus.Metric) {
	metricValues := newMetricValues(mg.descriptorMap)

	var err error

		<-ctx.Done()
		globalNotificationSys.ServiceFreeze(ctx, false)
	}()

	keepAliveTicker := time.NewTicker(500 * time.Millisecond)
	defer keepAliveTicker.Stop()

	enc := json.NewEncoder(w)
	ch := objectSpeedTest(ctx, speedTestOpts{
		objectSize:       size,
		concurrencyStart: concurrent,
		duration:         duration,
		autotune:         autotune,
		storageClass:     storageClass,