Mandatory         bool     `json:"mandatory"`
	Immediate         bool     `json:"immediate"`
	Durable           bool     `json:"durable"`
	Internal          bool     `json:"internal"`
	NoWait            bool     `json:"noWait"`
	AutoDeleted       bool     `json:"autoDeleted"`
	PublisherConfirms bool     `json:"publisherConfirms"`
	QueueDir          string   `json:"queueDir"`
	QueueLimit        uint64   `json:"queueLimit"`
}

		client := client
		g.Go(func() error {
			if client == nil {
				return errPeerOffline
			}
			_, err := client.GetBucketInfo(ctx, bucket, BucketOptions{})
			return err
		}, idx)
	}

	errs := g.Wait()

	var poolErrs []error
	for poolIdx := 0; poolIdx < sys.poolsCount; poolIdx++ {
		perPoolErrs := make([]error, 0, len(sys.peerClients))
		for i, client := range sys.peerClients {

		return map[string]uint64{}, nil
	}

	cache := dataUsageCache{}

	prefixUsageCache.InitOnce(30*time.Second,
		// No need to fail upon Update() error, fallback to old value.
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func() (map[string]uint64, error) {
			m := make(map[string]uint64)
			for _, pool := range z.serverPools {
				for _, er := range pool.sets {
					// Load bucket usage prefixes

			if formats[index] == nil {
				return errDiskNotFound
			}
			return saveFormatErasure(storageDisks[index], formats[index], "")
		}, index)
	}

	// Wait for the routines to finish.
	return reduceWriteQuorumErrs(ctx, g.Wait(), nil, len(storageDisks))
}

// relinquishes the underlying connection for all storage disks.
func closeStorageDisks(storageDisks ...StorageAPI) {
	var wg sync.WaitGroup

	h.logChMu.Lock()
	xioutil.SafeClose(h.logCh)
	h.logCh = nil
	h.logChMu.Unlock()

	if h.producer != nil {
		h.producer.Close()
		h.client.Close()
	}

	// Wait for messages to be sent...
	h.wg.Wait()
}

// New initializes a new logger target which
// sends log over http to the specified endpoint
func New(config Config) *Target {
	target := &Target{

				o.Create = false
				o.debugln("scan status", c.status, " - waiting a roundtrip to create")
			} else {
				// Continue listing
				o.ID = c.id
				go func(meta metacache) {
					// Continuously update while we wait.
					t := time.NewTicker(metacacheMaxClientWait / 10)
					defer t.Stop()
					select {
					case <-ctx.Done():
						// Request is done, stop updating.
						return
					case <-t.C:

			}, nil
		}))
		errFatal(err)
	}
	const payloadSize = 512
	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
	payload := make([]byte, payloadSize)
	_, err = rng.Read(payload)
	errFatal(err)

	// Wait for all to connect
	// Parallel writes per server.
	b.Run("bytes", func(b *testing.B) {
		for par := 1; par <= 32; par *= 2 {
			b.Run("par="+strconv.Itoa(par*runtime.GOMAXPROCS(0)), func(b *testing.B) {

		if doneCh == nil {
			return
		}
		// Indicate we are ready to write.
		doneCh <- err

		// Wait for channel to be closed so we don't race on writes.
		<-doneCh

		// Clear so we can be called multiple times without crashing.
		doneCh = nil
	}
}

// waitForHTTPResponse will wait for responses where keepHTTPResponseAlive
// has been used.
// The returned reader contains the payload.

				reqInfo := &logger.ReqInfo{}
				reqInfo.AppendTags("targetID", id.String())
				logger.LogOnceIf(logger.SetReqInfo(context.Background(), reqInfo), logSubsys, err, id.String())
			}
		}(id, target)
	}
	wg.Wait()
	list.totalEvents.Add(1)
}

func (list *TargetList) sendAsync(event Event, targetIDset TargetIDSet) {
	select {
	case list.queue <- asyncEvent{
		ev:        event,
		targetSet: targetIDset.Clone(),

				UserDefined:      userDefined,
			})
			if err != nil {
				errs[idx] = err
				return
			}
			objInfos[idx] = objInfo
		}(i, req)
	}
	wg.Wait()

	return objInfos, errs