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)
	}

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v2/mimedb"
	"github.com/minio/pkg/v2/sync/errgroup"
)

// list all errors which can be ignored in object operations.
var objectOpIgnoredErrs = append(baseIgnoredErrs, errDiskAccessDenied, errUnformattedDisk, errDiskOngoingReq)

// Object Operations

func countOnlineDisks(onlineDisks []StorageAPI) (online int) {
	for _, onlineDisk := range onlineDisks {

		}
		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
			}

	logger.GetReqInfo(ctx).Owner = owner
	logger.GetReqInfo(ctx).Region = region

	// Do not check for PutObjectRetentionAction permission,
	// if mode and retain until date are not set.
	// Can happen when bucket has default lock config set
	if action == policy.PutObjectRetentionAction &&
		r.Header.Get(xhttp.AmzObjectLockMode) == "" &&
		r.Header.Get(xhttp.AmzObjectLockRetainUntilDate) == "" {
		return ErrNone
	}

	w.Header().Set(xhttp.LastModified, lastModified)
	w.Header().Del(xhttp.ContentType)

	if _, ok := opts.ObjectAttributes[xhttp.Checksum]; ok {
		chkSums := objInfo.decryptChecksums(0)
		// AWS does not appear to append part number on this API call.
		switch {
		case chkSums["CRC32"] != "":
			OA.Checksum = new(objectAttributesChecksum)
			OA.Checksum.ChecksumCRC32 = strings.Split(chkSums["CRC32"], "-")[0]

		// execute the http request.
		response, err = s.client.Do(request)
		c.Assert(err, nil)
		// assert the status of http response.
		c.Assert(response.StatusCode, http.StatusOK)
		// Append all objects.
		delObjReq.Objects = append(delObjReq.Objects, ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: objName,
			},
		})
	}
	// Marshal delete request.
	deleteReqBytes, err := xml.Marshal(delObjReq)

	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()