)
	for _, bucketStat := range bucketStats {
		totReplicaSize += bucketStat.ReplicationStats.ReplicaSize
		totReplicaCount += bucketStat.ReplicationStats.ReplicaCount
		for _, q := range bucketStat.QueueStats.Nodes {
			tq = tq.merge(q.QStats)
		}

		for arn, stat := range bucketStat.ReplicationStats.Stats {
			oldst := stats[arn]
			if oldst == nil {
				oldst = &BucketReplicationStat{

type BucketStatsMap struct {
	Stats     map[string]BucketStats
	Timestamp time.Time
}

// BucketStats bucket statistics
type BucketStats struct {
	Uptime           int64                  `json:"uptime"`
	ReplicationStats BucketReplicationStats `json:"currStats"`  // current replication stats since cluster startup
	QueueStats       ReplicationQueueStats  `json:"queueStats"` // replication queue stats

		Timestamp: UTCNow(),
	}
	for k, replicationStats := range replicationStatsList {
		bucketStatsMap.Stats[k] = BucketStats{
			ReplicationStats: replicationStats,
			ProxyStats:       globalReplicationStats.Load().getProxyStats(k),
		}
	}

	replicationStats = append(replicationStats, bucketStatsMap)
	return replicationStats
}

	bwMap := bwRpt.BucketStats
	for arn, st := range stats.ReplicationStats.Stats {
		for opts, bw := range bwMap {
			if opts.ReplicationARN != "" && opts.ReplicationARN == arn {
				st.BandWidthLimitInBytesPerSecond = bw.LimitInBytesPerSecond
				st.CurrentBandwidthInBytesPerSecond = bw.CurrentBandwidthInBytesPerSecond
				stats.ReplicationStats.Stats[arn] = st
			}
		}
	}

			prometheus.GaugeValue,
			float64(stat.ReplicationStats.ReplicatedSize),
			bucket,
		)
		ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName("bucket", "replication", "received_size"),
				"Total capacity replicated to this instance",
				[]string{"bucket"}, nil),
			prometheus.GaugeValue,
			float64(stat.ReplicationStats.ReplicaSize),
			bucket,
		)

	bucketReplStats := globalReplicationStats.Load().getAllLatest(dataUsageInfo.BucketsUsage)
	for _, bucket := range buckets {
		labels := []string{bucketL, bucket}
		if s, ok := bucketReplStats[bucket]; ok {
			stats := s.ReplicationStats
			if stats.hasReplicationUsage() {
				for arn, stat := range stats.Stats {
					m.Set(bucketReplLastHrFailedBytes, float64(stat.Failed.LastHour.Bytes), labels...)

func (s *peerRESTServer) GetAllBucketStatsHandler(mss *grid.MSS) (*BucketStatsMap, *grid.RemoteErr) {
	replicationStats := globalReplicationStats.Load().GetAll()
	bucketStatsMap := make(map[string]BucketStats, len(replicationStats))
	for k, v := range replicationStats {
		bucketStatsMap[k] = BucketStats{
			ReplicationStats: v,
			ProxyStats:       globalReplicationStats.Load().getProxyStats(k),
		}
	}

	ReplicateHealDelete = "replicate:heal:delete"
)

var (
	globalReplicationPool  = once.NewSingleton[ReplicationPool]()
	globalReplicationStats atomic.Pointer[ReplicationStats]
)

// ReplicationPool describes replication pool
type ReplicationPool struct {
	// atomic ops:
	activeWorkers    int32
	activeLrgWorkers int32
	activeMRFWorkers int32

				})
			}
			if !globalSiteReplicationSys.isEnabled() {
				var stats BucketReplicationStats
				s, ok := bucketReplStats[bucket]
				if ok {
					stats = s.ReplicationStats
					metrics = append(metrics, MetricV2{
						Description:    getRepReceivedBytesMD(bucketMetricNamespace),
						Value:          float64(stats.ReplicaSize),