logger.LogOnceIf(ctx, logSubsys, err, id, errKind...)
}

// ErrTargetsOffline - Indicates single/multiple target failures.
var ErrTargetsOffline = errors.New("one or more targets are offline. Please use `mc admin info --json` to check the offline targets")

// TestSubSysNotificationTargets - tests notification targets of given subsystem

	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {
		// make a buffer with a reasonable capacity.
		return bytes.NewBuffer(make([]byte, 0, maxRecordSize))
	},
}

var bufioWriterPool = sync.Pool{
	New: func() interface{} {
		// io.Discard is just used to create the writer. Actual destination

	writeCond *sync.Cond // Signaled when data has been written.
}

// New returns a new RingBuffer whose buffer has the given size.
func New(size int) *RingBuffer {
	return &RingBuffer{
		buf:  make([]byte, size),
		size: size,
	}
}

// NewBuffer returns a new RingBuffer whose buffer is provided.
func NewBuffer(b []byte) *RingBuffer {
	return &RingBuffer{
		buf:  b,

					if !ok {
						break drain
					}
					logChBuffers[newTgt.Name()] <- v
				default:
					break drain
				}
			}
		}
	}
}

// New initializes a new logger target which
// sends log over http to the specified endpoint
func New(config Config) (*Target, error) {
	maxWorkers := maxWorkers
	if config.BatchSize > 100 {
		maxWorkers = maxWorkersWithBatchEvents
	} else if config.BatchSize <= 0 {

	// certificate that we can map to a policy.
	if len(r.TLS.PeerCertificates) == 0 {
		writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, errors.New("No client certificate provided"))
		return
	}
	if len(r.TLS.PeerCertificates) > 1 {
		writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, errors.New("More than one client certificate provided"))
		return
	}

	certificate := r.TLS.PeerCertificates[0]

	ErrMalformedBucketObjectConfig = errors.New("invalid bucket object lock config")
	// ErrInvalidRetentionDate - indicates that retention date needs to be in ISO 8601 format
	ErrInvalidRetentionDate = errors.New("date must be provided in ISO 8601 format")
	// ErrPastObjectLockRetainDate - indicates that retention date must be in the future
	ErrPastObjectLockRetainDate = errors.New("the retain until date must be in the future")

		shuffledDisks[blockIndex-1] = disks[index]
	}
	return shuffledDisks
}

// evalDisks - returns a new slice of disks where nil is set if
// the corresponding error in errs slice is not nil
func evalDisks(disks []StorageAPI, errs []error) []StorageAPI {
	if len(errs) != len(disks) {
		bugLogIf(GlobalContext, errors.New("unexpected drives/errors slice length"))
		return nil
	}
	newDisks := make([]StorageAPI, len(disks))

			if disk == OfflineDisk {
				continue
			}
			if !disk.IsOnline() {
				continue
			}
			diskMap[disk.Endpoint()] = disk
		}
	}
	return diskMap
}

// Initializes a new StorageAPI from the endpoint argument, returns
// StorageAPI and also `format` which exists on the disk.
func connectEndpoint(endpoint Endpoint) (StorageAPI, *formatErasureV3, error) {

			Name:  "xver",
		},
	}

	app.Action = func(c *cli.Context) error {
		ndjson := c.Bool("ndjson")
		if c.Bool("data") && c.Bool("combine") {
			return errors.New("cannot combine --data and --combine")
		}
		// file / version / file
		filemap := make(map[string]map[string]string)
		foundData := make(map[string][]byte)
		partDataToVerID := make(map[string][2]string)

					continue
				}
				if stopping {
					return layout, errors.New("number of disks per node does not match")
				}
				eps = append(eps, node.disks[i])
			}
			if stopping {
				break
			}
		}

		for _, node := range endpointsList {
			if node.nodeName != "" && singleNode {
				return layout, errors.New("all arguments must but either single node or distributed")
			}
		}