config.Metadata.Retry.Backoff = (1 * time.Second)
	config.Metadata.RefreshFrequency = (15 * time.Minute)

	target.config = config

	brokers := []string{}
	for _, broker := range args.Brokers {
		brokers = append(brokers, broker.String())
	}

	client, err := sarama.NewClient(brokers, config)
	if err != nil {
		if !errors.Is(err, sarama.ErrOutOfBrokers) {
			target.loggerOnce(context.Background(), err, target.ID().String())

type HashBorrower struct {
	pool     *sync.Pool
	borrowed []hash.Hash
}

// Borrow a single hasher.
func (h *HashBorrower) Borrow() hash.Hash {
	hasher := h.pool.Get().(hash.Hash)
	h.borrowed = append(h.borrowed, hasher)
	hasher.Reset()
	return hasher
}

// ReturnAll will return all borrowed hashes.
func (h *HashBorrower) ReturnAll() {
	for _, hasher := range h.borrowed {
		h.pool.Put(hasher)
	}

		}
		names[i] = ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: objInfo.Name,
				VersionID:  objInfo.VersionID,
			},
		}

	}
	names = append(names, ObjectToDelete{
		ObjectV: ObjectV{
			ObjectName: "dir/obj1",
			VersionID:  mustGetUUID(), // add a non-existent UUID.
		},
	})

	_, delErrs := obj.DeleteObjects(ctx, bucketName, names, ObjectOptions{

				UserDefined: udMap(true),
				Parts:       r,
			}
		}
		// Simple useful utilities
		repeat = func(k int64, n int) []int64 {
			a := []int64{}
			for i := 0; i < n; i++ {
				a = append(a, k)
			}
			return a
		}
		lsum = func(s []int64) int64 {
			sum := int64(0)
			for _, i := range s {
				if i < 0 {
					return -1
				}
				sum += i
			}
			return sum
		}

			}

			if s3Select.statement.IsAggregated() {
				outputRecord := s3Select.outputRecord()
				if err = s3Select.statement.AggregateResult(outputRecord); err != nil {
					break
				}
				outputQueue = append(outputQueue, outputRecord)
			}

			if !sendRecord() {
				break
			}

			if err = writer.Finish(s3Select.getProgress()); err != nil {
				// FIXME: log this error.
				err = nil
			}

	var completeETags []etag.ETag
	for _, part := range complMultipartUpload.Parts {
		ETag, err := etag.Parse(part.ETag)
		if err != nil {
			continue
		}
		completeETags = append(completeETags, ETag)
	}
	multipartETag := etag.Multipart(completeETags...)
	opts.UserDefined["etag"] = multipartETag.String()

		if err != nil {
			t.Errorf("%s: <ERROR> %s", instanceType, err)
		}
		if calcPartInfo.ETag != expectedETaghex {
			t.Errorf("MD5 Mismatch")
		}
		completedParts.Parts = append(completedParts.Parts, CompletePart{
			PartNumber: i,
			ETag:       calcPartInfo.ETag,
		})
	}

				continue
			}
			if !ellipses.HasEllipses(endpoint) {
				endpoints = append(endpoints, endpoint)
				continue
			}
			patterns, err := ellipses.FindEllipsesPatterns(endpoint)
			if err != nil {
				logger.Fatal(err, fmt.Sprintf("Invalid KES endpoint %q", endpoint))
			}
			for _, lbls := range patterns.Expand() {
				endpoints = append(endpoints, strings.Join(lbls, ""))
			}
		}

		perPoolErrs := make([]error, 0, len(sys.peerClients))
		for i, client := range sys.peerClients {
			if slices.Contains(client.GetPools(), poolIdx) {
				perPoolErrs = append(perPoolErrs, errs[i])
			}
		}
		quorum := len(perPoolErrs) / 2
		poolErrs = append(poolErrs, reduceWriteQuorumErrs(ctx, perPoolErrs, bucketOpIgnoredErrs, quorum))
	}

	opts.Remove = isAllBucketsNotFound(poolErrs)
	opts.Recreate = !opts.Remove

		lkey := strings.ToLower(key)
		if !strings.HasPrefix(lkey, "x-amz-") {
			continue
		}
		keys = append(keys, lkey)
		keyval[lkey] = strings.Join(headers[key], ",")
	}
	sort.Strings(keys)
	var canonicalHeaders []string
	for _, key := range keys {
		canonicalHeaders = append(canonicalHeaders, key+":"+keyval[key])
	}
	return strings.Join(canonicalHeaders, "\n")
}