st, ok := r.Cache[bucket]
	if !ok {
		return BucketReplicationStats{Stats: make(map[string]*BucketReplicationStat)}
	}
	return st.Clone()
}

// NewReplicationStats initialize in-memory replication statistics
func NewReplicationStats(ctx context.Context, objectAPI ObjectLayer) *ReplicationStats {
	r := metrics.NewRegistry()
	rs := ReplicationStats{
		Cache:           make(map[string]*BucketReplicationStats),

}

type replicationPoolOpts struct {
	Priority    string
	MaxWorkers  int
	MaxLWorkers int
}

func initBackgroundReplication(ctx context.Context, objectAPI ObjectLayer) {
	stats := NewReplicationStats(ctx, objectAPI)
	globalReplicationPool.Set(NewReplicationPool(ctx, objectAPI, globalAPIConfig.getReplicationOpts(), stats))
	globalReplicationStats.Store(stats)
	go stats.trackEWMA()
}