// Total number of replica received
	ReplicaCount int64 `json:"replicaCount"`
	// Queued operations
	Queued InQueueMetric `json:"queued"`
	// Proxy stats
	Proxied ProxyMetric `json:"proxied"`
	// replication metrics summary for each site replication peer
	Metrics map[string]SRMetric `json:"replMetrics"`
	// uptime of node being queried for site replication metrics
	Uptime int64 `json:"uptime"`

// but not written in all disks (having quorum)
type partialOperation struct {
	bucket              string
	object              string
	versionID           string
	versions            []byte
	setIndex, poolIndex int
	queued              time.Time
	scanMode            madmin.HealScanMode
}

// mrfState sncapsulates all the information
// related to the global background MRF.
type mrfState struct {
	opCh chan partialOperation
}

			}
		case "ReplicaCount":
			z.ReplicaCount, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "ReplicaCount")
				return
			}
		case "Queued":
			err = z.Queued.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Queued")
				return
			}
		case "Proxied":
			err = z.Proxied.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Proxied")
				return
			}

	avgInQueueCount                     MetricName = "average_queued_count"
	avgInQueueBytes                     MetricName = "average_queued_bytes"
	maxInQueueCount                     MetricName = "max_queued_count"
	maxInQueueBytes                     MetricName = "max_queued_bytes"
	proxiedGetRequestsTotal             MetricName = "proxied_get_requests_total"

			sm.ActiveWorkers.Max += peer.ActiveWorkers.Max
		}
		sm.Queued.Avg.Bytes += peer.Queued.Avg.Bytes
		sm.Queued.Avg.Count += peer.Queued.Avg.Count
		sm.Queued.Curr.Bytes += peer.Queued.Curr.Bytes
		sm.Queued.Curr.Count += peer.Queued.Curr.Count
		if peer.Queued.Max.Count > sm.Queued.Max.Count {
			sm.Queued.Max.Bytes = peer.Queued.Max.Bytes
			sm.Queued.Max.Count = peer.Queued.Max.Count
		}
		sm.ReplicaCount += peer.ReplicaCount

}

func (r *ReplicationStats) getSRMetricsForNode() SRMetricsSummary {
	if r == nil {
		return SRMetricsSummary{}
	}

	m := SRMetricsSummary{
		Uptime:        UTCNow().Unix() - globalBootTime.Unix(),
		Queued:        r.qCache.getSiteStats(),
		ActiveWorkers: r.ActiveWorkers(),
		Metrics:       r.srStats.get(),
		Proxied:       r.pCache.getSiteStats(),
		ReplicaSize:   atomic.LoadInt64(&r.srStats.ReplicaSize),

	}

	enc := json.NewEncoder(w)
	for {
		select {
		case ev := <-mergeCh:
			_, err := w.Write(ev)
			if err != nil {
				return
			}
			if len(mergeCh) == 0 {
				// Flush if nothing is queued
				w.(http.Flusher).Flush()
			}
			grid.PutByteBuffer(ev)
		case <-emptyEventTicker:
			if err := enc.Encode(struct{ Records []event.Event }{}); err != nil {
				return
			}
			w.(http.Flusher).Flush()

		select {
		case entry, ok := <-diffCh:
			if !ok {
				return
			}
			if err := enc.Encode(entry); err != nil {
				return
			}
			if len(diffCh) == 0 {
				// Flush if nothing is queued
				w.(http.Flusher).Flush()
			}
		case <-keepAliveTicker.C:
			if len(diffCh) > 0 {
				continue
			}
			if _, err := w.Write([]byte(" ")); err != nil {
				return
			}

		// these could be stale buckets lying around, queue a heal
		// of such a bucket. This is needed here as we identify such
		// buckets here while listing buckets. As part of regular
		// globalBucketMetadataSys.Init() call would get a valid
		// buckets only and not the quourum lost ones like this, so
		// explicit call
		for bktName, count := range bucketsMap {
			if count < quorum {
				// Queue a bucket heal task

const (
	_ TargetType = iota
	TargetConsole
	TargetHTTP
	TargetKafka
)

// TargetStats contains statistics for a target.
type TargetStats struct {
	// QueueLength is the queue length if any messages are queued.
	QueueLength int

	// TotalMessages is the total number of messages sent in the lifetime of the target
	TotalMessages int64

	// FailedMessages should log message count that failed to send.