}
	go func(wg *sync.WaitGroup, ch chan MetricV2) {
		wg.Wait()
		xioutil.SafeClose(ch)
	}(&wg, ch)
	return ch
}

// GetBucketMetrics - gets the cluster level bucket metrics from all nodes excluding self.
func (sys *NotificationSys) GetBucketMetrics(ctx context.Context) <-chan MetricV2 {
	if sys == nil {
		return nil
	}
	g := errgroup.WithNErrs(len(sys.peerClients))