args := target.args

	db, err := sql.Open("postgres", target.connString)
	if err != nil {
		return err
	}
	target.db = db

	if args.MaxOpenConnections > 0 {
		// Set the maximum connections limit
		target.db.SetMaxOpenConns(args.MaxOpenConnections)
	}

	err = target.db.Ping()
	if err != nil {
		if !(xnet.IsConnRefusedErr(err) || xnet.IsConnResetErr(err)) {

			debug.SetMaxThreads(minioMaxThreads)
		}
	}

	var maxLimit uint64

	// Set open files limit to maximum.
	if _, maxLimit, err = sys.GetMaxOpenFileLimit(); err != nil {
		return err
	}

	if maxLimit < 4096 && runtime.GOOS != globalWindowsOSName {
		logger.Info("WARNING: maximum file descriptor limit %d is too low for production servers. At least 4096 is recommended. Fix with \"ulimit -n 4096\"",
			maxLimit)
	}

	// backoff when trying to reconnect to an offline node
	HealthCheckReconnectUnit time.Duration

	// HealthCheckTimeout determines timeout for each call.
	HealthCheckTimeout time.Duration

	// MaxErrResponseSize is the maximum expected response size.
	// Should only be modified before any calls are made.
	MaxErrResponseSize int64

	// Avoid metrics update if set to true
	NoMetrics bool

// error returned when upload id not found
var errUploadIDNotFound = errors.New("Specified Upload ID is not found")

// error returned when PartNumber is greater than the maximum allowed 10000 parts
var errInvalidMaxParts = errors.New("Part number is greater than the maximum allowed 10000 parts")

// error returned for session policies > 2048

func (r *MonitoredReader) Read(buf []byte) (n int, err error) {
	if r.throttle == nil {
		return r.r.Read(buf)
	}
	if r.lastErr != nil {
		err = r.lastErr
		return
	}
	b := r.throttle.Burst()  // maximum available tokens
	need := len(buf)         // number of bytes requested by caller
	hdr := r.opts.HeaderSize // remaining header bytes
	var tokens int           // number of tokens to request

	Description      string             `xml:"Description,omitempty"`
	SelectParameters *SelectParameters  `xml:"SelectParameters,omitempty"`
	OutputLocation   OutputLocation     `xml:"OutputLocation,omitempty"`
}

// Maximum 2MiB size per restore object request.
const maxRestoreObjectRequestSize = 2 << 20

// parseRestoreRequest parses RestoreObjectRequest from xml
func parseRestoreRequest(reader io.Reader) (*RestoreObjectRequest, error) {

func optimalPartSize(objectSize int64) (partSize int64, err error) {
	// object size is '-1' set it to 5TiB.
	if objectSize == -1 {
		objectSize = maxMultipartPutObjectSize
	}

	// object size is larger than supported maximum.
	if objectSize > maxMultipartPutObjectSize {
		err = errors.New("entity too large")
		return
	}

	configuredPartSize := minPartSize
	// Use floats for part size for all calculations to avoid

| `minio_cluster_replication_max_queued_bytes`               | Maximum number of bytes queued for replication seen since server start                                   |
| `minio_cluster_replication_max_queued_count`               | Maximum number of objects queued for replication seen since server start                                 |

	ReplicationStatus         replication.StatusType
	// User-Defined metadata
	UserDefined map[string]string

	// User-Defined object tags
	UserTags string

	// List of individual parts, maximum size of upto 10,000
	Parts []ObjectPartInfo `json:"-"`

	// Implements writer and reader used by CopyObject API
	Writer       io.WriteCloser `json:"-" msg:"-"`
	Reader       *hash.Reader   `json:"-" msg:"-"`

	"github.com/minio/minio/internal/logger"
	"github.com/minio/mux"
	"github.com/minio/pkg/v2/policy"
)

const (
	bucketVersioningConfig = "versioning.xml"

	// Maximum size of bucket versioning configuration payload sent to the PutBucketVersioningHandler.
	maxBucketVersioningConfigSize = 1 * humanize.MiByte
)

// PutBucketVersioningHandler - PUT Bucket Versioning.
// ----------