func (s *peerRESTServer) GetBucketStatsHandler(vars *grid.MSS) (*BucketStats, *grid.RemoteErr) {
	bucketName := vars.Get(peerRESTBucket)
	if bucketName == "" {
		return nil, grid.NewRemoteErrString("Bucket name is missing")
	}
	st := globalReplicationStats.Load()
	if st == nil {
		return &BucketStats{}, nil
	}
	bs := BucketStats{
		ReplicationStats: st.Get(bucketName),

	if !s.checkID(params.DiskID) {
		return grid.NewRemoteErr(errDiskNotFound)
	}
	if params.Cache == nil {
		return grid.NewRemoteErrString("NSScannerHandler: provided cache is nil")
	}

	// Collect updates, stream them before the full cache is sent.
	updates := make(chan dataUsageEntry, 1)
	var wg sync.WaitGroup
	wg.Add(1)
	go func() {