updatedAt, err := globalBucketMetadataSys.Update(ctx, bucket, bucketSSEConfig, configData)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Call site replication hook.
	//
	// We encode the xml bytes as base64 to ensure there are no encoding
	// errors.
	cfgStr := base64.StdEncoding.EncodeToString(configData)

const (
	apiRequestsCollectorPath collectorPath = "/api/requests"

	bucketAPICollectorPath         collectorPath = "/bucket/api"
	bucketReplicationCollectorPath collectorPath = "/bucket/replication"

	systemNetworkInternodeCollectorPath collectorPath = "/system/network/internode"
	systemDriveCollectorPath            collectorPath = "/system/drive"
	systemMemoryCollectorPath           collectorPath = "/system/memory"

			prometheus.NewDesc(
				prometheus.BuildFQName("bucket", "replication", "successful_size"),
				"Total capacity replicated to destination",
				[]string{"bucket"}, nil),
			prometheus.GaugeValue,
			float64(stat.ReplicationStats.ReplicatedSize),
			bucket,
		)
		ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName("bucket", "replication", "received_size"),

./mc ls -r --versions myminio2/testbucket/dir/ >/tmp/dir_2.txt

out=$(diff -qpruN /tmp/dir_1.txt /tmp/dir_2.txt)
ret=$?
if [ $ret -ne 0 ]; then
	echo "BUG: expected no 'diff' after replication: $out"
	exit 1

	}

	//  Determine whether to mark object deleted for replication
	markDelete := goi.VersionID != ""

	// Default deleteMarker to true if object is under versioning
	deleteMarker := opts.Versioned

	if opts.VersionID != "" {
		// case where replica version needs to be deleted on target cluster
		if versionFound && opts.DeleteMarkerReplicationStatus() == replication.Replica {
			markDelete = false
		}

			set.CreateStringSet("dep1", "dep2", "dep3"),
			set.CreateStringSet("dep1", "dep2", "dep3", "dep4"),
			[]string{},
		},
		// Test3: not currently under site replication.
		{
			[]madmin.PeerInfo{},
			set.CreateStringSet(),
			set.CreateStringSet("dep1", "dep2", "dep3", "dep4"),
			[]string{},
		},
	}

	for i, tc := range testCases {

./mc ready sitea
./mc ready siteb

./mc mb sitea/bucket
./mc version enable sitea/bucket
./mc mb siteb/bucket
./mc version enable siteb/bucket

# Set bucket replication
./mc replicate add sitea/bucket --remote-bucket siteb/bucket

# Run the test to make sure proxying of DEL marker doesn't happen
loop_count=0
while true; do
	if [ $loop_count -eq 1000 ]; then
		break
	fi

	// Limits all body and header sizes to a maximum fixed limit
	setRequestLimitMiddleware,
	// Validate all the incoming requests.
	setRequestValidityMiddleware,
	// Add upload forwarding middleware for site replication
	setUploadForwardingMiddleware,
	// Add bucket forwarding middleware
	setBucketForwardingMiddleware,
	// Add new middlewares here.
}

// configureServer handler returns final handler for the http server.

	// Clear omitempty fields:
	if j.ObjectV2 != nil && len(j.ObjectV2.PartIndices) > 0 {
		j.ObjectV2.PartIndices = j.ObjectV2.PartIndices[:0]
	}
	o, err = j.UnmarshalMsg(bts)

	// Fix inconsistent x-minio-internal-replication-timestamp by converting to UTC.
	// Fixed in version 2 or later
	if err == nil && j.Type == DeleteType && v < 2 {
		if val, ok := j.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+ReplicationTimestamp]; ok {

## Contents properties

All properties except the file size are tied to the zip file. This means that modification date, headers, tags, etc. can only be set for the zip file as a whole. In similar fashion, replication will replicate the zip file as a whole and not individual files.

## Code Examples

[Using minio-go library](https://github.com/minio/minio/blob/master/docs/extensions/s3zip/examples/minio-go/main.go)