histBuckets := []float64{0.50, 5.00}
	labels := []string{"PutObject", "CopyObject"}
	ttfbHist := prometheus.NewHistogramVec(
		prometheus.HistogramOpts{
			Name:    "s3_ttfb_seconds",
			Help:    "Time taken by requests served by current MinIO server instance",
			Buckets: histBuckets,
		},
		[]string{"api"},
	)
	observations := []struct {
		val   float64
		label string
	}{
		{

func (r *Record) WriteCSV(writer io.Writer, opts sql.WriteCSVOpts) error {
	var csvRecord []string
	for _, kv := range r.KVS {
		var columnValue string
		switch val := kv.Value.(type) {
		case float64:
			columnValue = jsonFloat(val)
		case string:
			columnValue = val
		case bool, int64:
			columnValue = fmt.Sprintf("%v", val)
		case nil:
			columnValue = ""
		case RawJSON:

		metrics = append(metrics, MetricV2{
			Description:    getClusterTransitionedBytesMD(),
			Value:          float64(st.TotalSize),
			VariableLabels: map[string]string{"tier": tier},
		})
		metrics = append(metrics, MetricV2{
			Description:    getClusterTransitionedObjectsMD(),
			Value:          float64(st.NumObjects),
			VariableLabels: map[string]string{"tier": tier},
		})
		metrics = append(metrics, MetricV2{

	hourTotals := rt.LastHour.getTotal()
	return madmin.TimedErrStats{
		LastMinute: madmin.RStat{
			Count: float64(minuteTotals.N),
			Bytes: minuteTotals.Size,
		},
		LastHour: madmin.RStat{
			Count: float64(hourTotals.N),
			Bytes: hourTotals.Size,
		},
		Totals: madmin.RStat{
			Count: float64(rt.SinceUptime.Count),
			Bytes: rt.SinceUptime.Bytes,
		},
		ErrCounts: errCounts,
	}
}

	ID      int64
	INT     int
	INT8    int8
	INT16   int16
	INT32   int32
	INT64   int64
	UINT    uint
	UINT8   uint8
	UINT16  uint16
	UINT32  uint32
	UINT64  uint64
	FLOAT32 float32
	FLOAT64 float64
	BOOL    bool
	STRING  string
	TIME    time.Time
	BYTES   []byte

	TypeAlias struct {
		ID
		INT     `gorm:"column:fint"`
		INT8    `gorm:"column:fint8"`
		INT16   `gorm:"column:fint16"`

				}
				sendResult()
				break
			}

			// We break if we did not see 2.5% growth rate in total GET
			// requests, we have reached our peak at this point.
			doBreak := float64(totalGet-throughputHighestGet)/float64(totalGet) < 0.025

			throughputHighestGet = totalGet
			throughputHighestResults = results
			throughputHighestPut = totalPut

			if doBreak {
				sendResult()
				break
			}

		}
		return res, nil

	default:
		return 0, errUnsupportedCast(v.GetTypeString(), castInt)
	}
}

func floatCast(v *Value) (float64, error) {
	switch x := v.value.(type) {
	case float64:
		return x, nil
	case int64:
		return float64(x), nil
	case string:
		f, err := strconv.ParseFloat(strings.TrimSpace(x), 64)
		if err != nil {
			return 0, errCastFailure("could not parse as float")
		}

		totalFree += disk.AvailableSpace

		diskStats[disk.PoolIndex].AvailableSpace += disk.AvailableSpace
		diskStats[disk.PoolIndex].TotalSpace += disk.TotalSpace
	}
	r.PercentFreeGoal = float64(totalFree) / float64(totalCap)

	now := time.Now()
	for idx := range z.serverPools {
		r.PoolStats[idx] = &rebalanceStats{
			Buckets:           make([]string, len(buckets)),

	// This goroutine owns the cache.
	var saverWg sync.WaitGroup
	saverWg.Add(1)
	go func() {
		// Add jitter to the update time so multiple sets don't sync up.
		updateTime := 30*time.Second + time.Duration(float64(10*time.Second)*rand.Float64())
		t := time.NewTicker(updateTime)
		defer t.Stop()
		defer saverWg.Done()
		var lastSave time.Time

		for {
			select {
			case <-t.C:
				if cache.Info.LastUpdate.Equal(lastSave) {

		metrics = append(metrics, MetricV2{
			Description:    tierRequestsSuccessMD,
			Value:          float64(stat.success),
			VariableLabels: map[string]string{"tier": tier},
		})
		metrics = append(metrics, MetricV2{
			Description:    tierRequestsFailureMD,
			Value:          float64(stat.failure),
			VariableLabels: map[string]string{"tier": tier},
		})
	}
	return metrics
}