}

func newBucketReplicationStats() *BucketReplicationStats {
	return &BucketReplicationStats{
		Stats: make(map[string]*BucketReplicationStat),
	}
}

// Empty returns true if there are no target stats
func (brs *BucketReplicationStats) Empty() bool {
	return len(brs.Stats) == 0 && brs.ReplicaSize == 0
}

// Clone creates a new BucketReplicationStats copy

		return 0
	}

	stats.RLock()
	defer stats.RUnlock()

	val, ok := stats.apiStats[api]
	if ok {
		return val
	}

	return 0
}

// Load returns the recorded stats.
func (stats *HTTPAPIStats) Load(toLower bool) map[string]int {
	if stats == nil {
		return map[string]int{}
	}

	stats.RLock()
	defer stats.RUnlock()

	if len(r.mostRecentStats.Stats) == 0 {
		r.mostRecentStats = BucketStatsMap{Stats: make(map[string]BucketStats, 1), Timestamp: UTCNow()}
	}
	if len(bs.ReplicationStats.Stats) > 0 {
		r.mostRecentStats.Stats[bucket] = bs
	}
	r.mostRecentStats.Timestamp = UTCNow()
	r.mostRecentStatsMu.Unlock()
	return bs
}

// get the most current of in-memory replication stats  and data usage info from crawler.

		}
		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

            String path = entry.getKey();
            Map<String, StringStats> stats = entry.getValue();

            long uniqueStrings = stats.size();
            long totalOccurrences = stats.values().stream()
                    .mapToLong(StringStats::getOccurrences)
                    .sum();
            long totalMemory = stats.entrySet().stream()

}

// newStatsMessage - creates new Stats Message. S3 sends this message at the end of the request.
// It contains statistics about the query.
//
// Header specification:
// Stats messages contain three headers, as follows:
// https://docs.aws.amazon.com/AmazonS3/latest/API/images/s3select-frame-diagram-stats.png
//
// Payload specification:

		Avg:  a.Avg,
		Max:  a.Max,
	}
	return w
}

// QStat holds queue stats for replication
type QStat struct {
	Count float64 `json:"count"`
	Bytes float64 `json:"bytes"`
}

func (q *QStat) add(o QStat) QStat {
	return QStat{Bytes: q.Bytes + o.Bytes, Count: q.Count + o.Count}
}

// InQueueMetric holds queue stats for replication
type InQueueMetric struct {
	Curr QStat `json:"curr" msg:"cq"`

				st.CurrentBandwidthInBytesPerSecond = bw.CurrentBandwidthInBytesPerSecond
				stats.ReplicationStats.Stats[arn] = st
			}
		}
	}
	stats.Uptime = UTCNow().Unix() - globalBootTime.Unix()

	if err := enc.Encode(stats); err != nil {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
}

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

	return h.status.Load() == statusOnline
}

// Stats returns the target statistics.
func (h *Target) Stats() types.TargetStats {
	h.logChMu.RLock()
	queueLength := len(h.logCh)
	h.logChMu.RUnlock()
	stats := types.TargetStats{
		TotalMessages:  h.totalMessages.Load(),
		FailedMessages: h.failedMessages.Load(),
		QueueLength:    queueLength,
	}

	return stats
}

// AssignMigrateTarget assigns a target