if !errors.Is(err, os.ErrNotExist) {
			internalLogIf(GlobalContext, fmt.Errorf("unable to read %s: %w", healingFile, err))
		}
		return nil
	}
	if len(b) == 0 {
		internalLogIf(GlobalContext, fmt.Errorf("%s is empty", healingFile))
		// 'healing.bin' might be truncated
		return nil
	}
	h := newHealingTracker()
	_, err = h.UnmarshalMsg(b)
	internalLogIf(GlobalContext, err)
	return h
}

func (es *expiryState) enqueueTierJournalEntry(je jentry) {
	wrkr := es.getWorkerCh(je.OpHash())
	if wrkr == nil {
		es.stats.missedTierJournalTasks.Add(1)
		return
	}
	select {
	case <-GlobalContext.Done():
	case wrkr <- je:
	default:
		es.stats.missedTierJournalTasks.Add(1)
	}
}

// enqueueFreeVersion enqueues a free version to be deleted
func (es *expiryState) enqueueFreeVersion(oi ObjectInfo) {

	// be created at default region.
	locationConstraint := createBucketLocationConfiguration{}
	err := xmlDecoder(r.Body, &locationConstraint, r.ContentLength)
	if err != nil && r.ContentLength != 0 {
		internalLogOnceIf(GlobalContext, err, "location-constraint-xml-parsing")
		// Treat all other failures as XML parsing errors.
		return "", ErrMalformedXML
	} // else for both err as nil or io.EOF
	location = locationConstraint.Location

		{5 * humanize.MiByte, 2 * humanize.MiByte, 3, 1 * humanize.MiByte},
		{5 * humanize.MiByte, 2 * humanize.MiByte, 4, 0},
	}

	for i, testCase := range testCases {
		s, err := calculatePartSizeFromIdx(GlobalContext, testCase.totalSize, testCase.partSize, testCase.partIndex)
		if err != nil {
			t.Errorf("Test %d: Expected to pass but failed. %s", i+1, err)
		}
		if err == nil && s != testCase.expectedSize {

	logger.FatalIf(lockRPCRUnlock.Register(gm, lockServer.RUnlockHandler), "unable to register handler")

	globalLockServer = lockServer.ll

	go lockMaintenance(GlobalContext)
}

func (l *lockRESTServer) makeResp(dst *dsync.LockResp, err error) (*dsync.LockResp, *grid.RemoteErr) {
	*dst = dsync.LockResp{Code: dsync.RespOK}
	switch err {
	case nil:
	case errLockNotInitialized:

			time.Sleep(time.Second)
			objAPI = newObjectLayerFn()
		}

		t := time.NewTicker(time.Minute)
		defer t.Stop()

		var exit bool
		for !exit {
			select {
			case <-t.C:
			case <-GlobalContext.Done():
				exit = true
			}
			m.mu.RLock()
			for _, v := range m.buckets {
				if !exit {
					v.cleanup()
				}
			}
			m.mu.RUnlock()
			m.mu.Lock()
			for k, v := range m.trash {

	c.Hash = sum
	if _, err = fmt.Sscanf(info.Name, "part.%d", &c.PartNumber); err != nil {
		return err
	}

	if !c.Algorithm.Available() {
		internalLogIf(GlobalContext, errBitrotHashAlgoInvalid)
		return errBitrotHashAlgoInvalid
	}
	return nil
}

// constant and shouldn't be changed.
const (
	legacyDataDir = "legacy"
)

	"github.com/prometheus/client_golang/prometheus"
	"github.com/prometheus/client_golang/prometheus/promhttp"
)

type promLogger struct{}

func (p promLogger) Println(v ...any) {
	metricsLogIf(GlobalContext, fmt.Errorf("metrics handler error: %v", v))
}

type metricsV3Server struct {
	registry *prometheus.Registry
	opts     promhttp.HandlerOpts
	auth     func(http.Handler) http.Handler

	p, err := sys.Get(args.BucketName)
	if err == nil {
		return p.IsAllowed(args)
	}

	// Log unhandled errors.
	if _, ok := err.(BucketPolicyNotFound); !ok {
		internalLogIf(GlobalContext, err, logger.WarningKind)
	}

	// As policy is not available for given bucket name, returns IsOwner i.e.
	// operation is allowed only for owner.
	return args.IsOwner
}

	}
	go s.trackEWMA()
	return &s
}

func (sr *SRStats) trackEWMA() {
	for {
		select {
		case <-sr.movingAvgTicker.C:
			sr.updateMovingAvg()
		case <-GlobalContext.Done():
			return
		}
	}
}

func (sr *SRStats) updateMovingAvg() {
	sr.lock.Lock()
	defer sr.lock.Unlock()
	for _, s := range sr.M {