"Total cluster objects count")
	usageVersionsCountMD = NewGaugeMD(usageVersionsCount,
		"Total cluster object versions (including delete markers) count")
	usageDeleteMarkersCountMD = NewGaugeMD(usageDeleteMarkersCount,
		"Total cluster delete markers count")
	usageBucketsCountMD = NewGaugeMD(usageBucketsCount,
		"Total cluster buckets count")
	usageObjectsDistributionMD = NewGaugeMD(usageSizeDistribution,

	oi, ok := oiCache[fmt.Sprintf("%s-%s", toDel.ObjectName, toDel.VersionID)]
	return oi, ok
}

func batchObjsForDelete(ctx context.Context, r *BatchJobExpire, ri *batchJobInfo, job BatchJobRequest, api ObjectLayer, wk *workers.Workers, expireCh <-chan []expireObjInfo) {
	vc, _ := globalBucketVersioningSys.Get(r.Bucket)
	retryAttempts := r.Retry.Attempts
	delay := job.Expire.Retry.Delay
	if delay == 0 {
		delay = batchExpireJobDefaultRetryDelay

			var deleteMarkers uint64

			for i, nerr := range errs {
				if nerr != nil {
					continue
				}
				for _, fi := range versions[i].Versions {
					if fi.Deleted {
						// Delete markers are a write operation not a permanent delete.
						deleteMarkers++
						continue
					}
					permanentDeletes++
				}
			}
			if deleteMarkers > 0 {

	for len(p.workers) < n {
		input := make(chan ReplicationWorkerOperation, 10000)
		p.workers = append(p.workers, input)

		go p.AddWorker(input, &p.activeWorkers)
	}
	for len(p.workers) > n {
		worker := p.workers[len(p.workers)-1]
		p.workers = p.workers[:len(p.workers)-1]
		xioutil.SafeClose(worker)
	}
}

// ResizeWorkerPriority sets replication failed workers pool size

				t.Log("ListObjectVersions, bucket:", testCase.bucketName, "prefix:",
					testCase.prefix, "marker:", testCase.marker, "delimiter:",
					testCase.delimiter, "maxkeys:", testCase.maxKeys)

				resultV, err = obj.ListObjectVersions(context.Background(), testCase.bucketName,
					testCase.prefix, testCase.marker, "", testCase.delimiter, testCase.maxKeys)
			} else {
				t.Log("ListObjects, bucket:", testCase.bucketName, "prefix:",

	}
	return loi, nil
}

func maxKeysPlusOne(maxKeys int, addOne bool) int {
	if maxKeys < 0 || maxKeys > maxObjectList {
		maxKeys = maxObjectList
	}
	if addOne {
		maxKeys++
	}
	return maxKeys
}

func (z *erasureServerPools) listObjectsGeneric(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int, v1 bool) (ListObjectsInfo, error) {
	var loi ListObjectsInfo

	// These fields do no include any children.
	Size             int64                `msg:"sz"`
	Objects          uint64               `msg:"os"`
	Versions         uint64               `msg:"vs"` // Versions that are not delete markers.
	DeleteMarkers    uint64               `msg:"dms"`
	ObjSizes         sizeHistogram        `msg:"szs"`
	ObjVersions      versionsHistogram    `msg:"vh"`
	ReplicationStats *replicationAllStats `msg:"rs,omitempty"`

	ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (result ListObjectsInfo, err error)
	ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (result ListObjectsV2Info, err error)
	ListObjectVersions(ctx context.Context, bucket, prefix, marker, versionMarker, delimiter string, maxKeys int) (result ListObjectVersionsInfo, err error)

	totalFailedCount    MetricName = "total_failed_count"
	totalFailedBytes    MetricName = "total_failed_bytes"

	currActiveWorkers  MetricName = "current_active_workers"
	avgActiveWorkers   MetricName = "average_active_workers"
	maxActiveWorkers   MetricName = "max_active_workers"
	recentBacklogCount MetricName = "recent_backlog_count"
	currInQueueCount   MetricName = "last_minute_queued_count"

	for _, rule := range lc.FilterRules(obj) {
		if obj.ExpiredObjectDeleteMarker() {
			if rule.Expiration.DeleteMarker.val {
				// Indicates whether MinIO will remove a delete marker with no noncurrent versions.
				// Only latest marker is removed. If set to true, the delete marker will be expired;
				// if set to false the policy takes no action. This cannot be specified with Days or
				// Date in a Lifecycle Expiration Policy.