mostRecentStatsMu sync.Mutex // mutex for mostRecentStats

	wlock sync.RWMutex // mutex for active workers

	movingAvgTicker *time.Ticker // Ticker for calculating moving averages
	wTimer          *time.Ticker // ticker for calculating active workers
	qTimer          *time.Ticker // ticker for calculating queue stats
}

func (r *ReplicationStats) trackEWMA() {
	for {
		select {
		case <-r.movingAvgTicker.C:
			r.updateMovingAvg()

func getBinaryChecksum() string {
	mw := md5.New()
	binPath, err := os.Executable()
	if err != nil {
		logger.Error("Calculating checksum failed: %s", err)
		return "00000000000000000000000000000000"
	}
	b, err := os.Open(binPath)
	if err != nil {
		logger.Error("Calculating checksum failed: %s", err)
		return "00000000000000000000000000000000"
	}

	defer b.Close()
	io.Copy(mw, b)

	// resourceMetricsHelpMap maps metric name to its help string
	resourceMetricsHelpMap map[MetricName]string
	resourceMetricsGroups  []*MetricsGroupV2
	// initial values for drives (at the time  of server startup)
	// used for calculating avg values for drive metrics
	latestDriveStats      map[string]madmin.DiskIOStats
	latestDriveStatsMu    sync.RWMutex
	lastDriveStatsRefresh time.Time
)

// PeerResourceMetrics represents the resource metrics

			gotGCD := getDivisibleSize(testCase.totalSizes)
			if testCase.result != gotGCD {
				t.Errorf("Expected %v, got %v", testCase.result, gotGCD)
			}
		})
	}
}

// Test tests calculating set indexes with ENV override for drive count.
func TestGetSetIndexesEnvOverride(t *testing.T) {
	testCases := []struct {
		args        []string
		totalSizes  []uint64
		indexes     [][]uint64
		envOverride uint64

        return if (delta > 0L) delta / 10 else 0L
      }

      return 0L
    }

    /**
     * Returns the current age of the response, in milliseconds. The calculation is specified by RFC
     * 7234, 4.2.3 Calculating Age.
     */
    private fun cacheResponseAge(): Long {
      val servedDate = this.servedDate
      val apparentReceivedAge =
        if (servedDate != null) {

var bitrotAlgorithms = map[BitrotAlgorithm]string{
	SHA256:          "sha256",
	BLAKE2b512:      "blake2b",
	HighwayHash256:  "highwayhash256",
	HighwayHash256S: "highwayhash256S",
}

// New returns a new hash.Hash calculating the given bitrot algorithm.
func (a BitrotAlgorithm) New() hash.Hash {
	switch a {
	case SHA256:
		return sha256.New()
	case BLAKE2b512:
		b2, _ := blake2b.New512(nil) // New512 never returns an error if the key is nil

	case sizeLessThan1GiB:
		return "LESS_THAN_1_GiB"
	case sizeGreaterThan1GiB:
		return "GREATER_THAN_1_GiB"
	default:
		return "unknown"
	}
}

// AccElem holds information for calculating an average value
type AccElem struct {
	Total int64
	Size  int64
	N     int64
}

// Add a duration to a single element.
func (a *AccElem) add(dur time.Duration) {
	if dur < 0 {
		dur = 0
	}

        return dataset[positionFloor]
            + positionFrac * (dataset[positionFloor + 1] - dataset[positionFloor]);
      }
    }
  },

  /**
   * Uses quickselect. When calculating multiple quantiles, each quickselect starts from scratch.
   */
  QUICKSELECT {

    @Override
    double singleQuantile(int index, int scale, double[] dataset) {

	// Total Replica received
	ReplicaCount int64                `json:"replicaCount"`
	M            map[string]*SRStatus `json:"srStatusMap"`

	movingAvgTicker *time.Ticker // Ticker for calculating moving averages
	lock            sync.RWMutex // mutex for srStats
}

// SRStatus has replication stats at deployment level
type SRStatus struct {
	ReplicatedSize int64 `json:"completedReplicationSize"`

	bucketsThrottle    map[BucketOptions]*bucketThrottle
	bucketsMeasurement map[BucketOptions]*bucketMeasurement // Buckets with objects in flight

	bucketMovingAvgTicker *time.Ticker    // Ticker for calculating moving averages
	ctx                   context.Context // Context for generate
	NodeCount             uint64
}

// NewMonitor returns a monitor with defaults.