hdr  Header     // Shallow copy of Header that is safe for mutations
	blk  block      // Buffer to use as temporary local storage

	// err is a persistent error.
	// It is only the responsibility of every exported method of Writer to
	// ensure that this error is sticky.
	err error
}

// NewWriter creates a new Writer writing to w.
func NewWriter(w io.Writer) *Writer {
	return &Writer{w: w, curr: &regFileWriter{w, 0}}
}

					failed.Users = append(failed.Users, madmin.IAMErrEntity{Name: accessKey, Error: err})
				} else {
					added.Users = append(added.Users, accessKey)
				}

			}
		}
	}

	// import groups
	{
		f, err := zr.Open(pathJoin(iamAssetsDir, allGroupsFile))
		switch {
		case errors.Is(err, os.ErrNotExist):
		case err != nil:

func Save(configFile string, data interface{}) error {
	return quick.SaveConfig(data, configFile, globalEtcdClient)
}

// Load config from backend
func Load(configFile string, data interface{}) (quick.Config, error) {
	return quick.LoadConfig(configFile, globalEtcdClient, data)
}

func readConfigWithoutMigrate(ctx context.Context, objAPI ObjectLayer) (config.Config, error) {
	// Construct path to config.json for the given bucket.

var (
	internodeErrorsTotalMD = NewCounterMD(internodeErrorsTotal,
		"Total number of failed internode calls")
	internodeDialedErrorsTotalMD = NewCounterMD(internodeDialErrorsTotal,
		"Total number of internode TCP dial timeouts and errors")
	internodeDialAvgTimeNanosMD = NewGaugeMD(internodeDialAvgTimeNanos,
		"Average dial time of internode TCP calls in nanoseconds")
	internodeSentBytesTotalMD = NewCounterMD(internodeSentBytesTotal,

   *
   * <p>This is guaranteed to return zero if the dataset contains only exactly one finite value. It
   * is not guaranteed to return zero when the dataset consists of the same value multiple times,
   * due to numerical errors. However, it is guaranteed never to return a negative result.
   *
   * <h3>Non-finite values</h3>
   *
   * <p>If the dataset contains any non-finite values ({@link Double#POSITIVE_INFINITY}, {@link

}

string VariableAddFunctionWithGraphError() {
  string signature = VariableAddFunctionSignature();
  // Replace the node 'read0' with 'read0_maybe_with_graph_error', so that the
  // error injecting pass can identify and introduce graph pass errors.
  signature = std::regex_replace(signature, std::regex("read0"),
                                 "read0_maybe_with_graph_error");
  tensorflow::FunctionDef def;

	latestDriveStatsMu    sync.RWMutex
	lastDriveStatsRefresh time.Time
)

// PeerResourceMetrics represents the resource metrics
// retrieved from a peer, along with errors if any
type PeerResourceMetrics struct {
	Metrics map[MetricSubsystem]ResourceMetrics
	Errors  []string
}

// ResourceMetrics is a map of unique key identifying
// a resource metric (e.g. reads_per_sec_{node}_{drive})
// to its data

	err = gob.NewDecoder(waitReader).Decode(&result)
	if err != nil {
		return result, err
	}
	if result.Error != "" {
		return result, errors.New(result.Error)
	}
	return result, nil
}

func (client *peerRESTClient) DriveSpeedTest(ctx context.Context, opts madmin.DriveSpeedTestOpts) (madmin.DriveSpeedTestResult, error) {
	queryVals := make(url.Values)
	if opts.Serial {
		queryVals.Set("serial", "true")
	}

		t.Errorf("no error should happen, but got %v", err)
	}

	if result.Name != "groupby1" || result.Total != 660 {
		t.Errorf("name should be groupby, total should be 660, but got %+v", result)
	}

	if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Scan(&result).Error; err != nil {

                context.logger.error("Re-run Maven using the '"
                        + MessageUtils.builder().strong("-X") + "' switch to enable verbose output");
            }

            if (!references.isEmpty()) {
                context.logger.error("");
                context.logger.error("For more information about the errors and possible solutions"