loadDuration := time.Since(loadStartTime)

	atomic.StoreUint64(&sys.LastRefreshDurationMilliseconds, uint64(loadDuration.Milliseconds()))
	atomic.StoreUint64(&sys.LastRefreshTimeUnixNano, uint64(loadStartTime.Add(loadDuration).UnixNano()))
	atomic.AddUint64(&sys.TotalRefreshSuccesses, 1)

	if !globalSiteReplicatorCred.IsValid() {
		sa, _, err := sys.getServiceAccount(ctx, siteReplicatorSvcAcc)
		if err == nil {

	go func() {
		// Update rebalance.bin periodically once every 5-10s, chosen randomly
		// to avoid multiple pool leaders herding to update around the same
		// time.
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		randSleepFor := func() time.Duration {
			return 5*time.Second + time.Duration(float64(5*time.Second)*r.Float64())
		}

		timer := time.NewTimer(randSleepFor())
		defer timer.Stop()

		var (

// the set topology, this monitoring happens at a given monitoring interval.
func (s *erasureSets) monitorAndConnectEndpoints(ctx context.Context, monitorInterval time.Duration) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	time.Sleep(time.Duration(r.Float64() * float64(time.Second)))

	// Pre-emptively connect the disks if possible.
	s.connectDisks(false)

	monitor := time.NewTimer(monitorInterval)

		go func() {
			// Resume decommissioning of pools, but wait 3 minutes for cluster to stabilize.
			if err := sleepContext(ctx, 3*time.Minute); err != nil {
				return
			}
			r := rand.New(rand.NewSource(time.Now().UnixNano()))
			for {
				if err := z.Decommission(ctx, poolIndices...); err != nil {
					if errors.Is(err, errDecommissionAlreadyRunning) {
						// A previous decommission running found restart it.

		err = xl.Load(data)
		if err != nil {
			t.Fatal(err)
		}
		ventry := xlMetaV2Version{
			Type: DeleteType,
			DeleteMarker: &xlMetaV2DeleteMarker{
				VersionID: uuid.New(),
				ModTime:   time.Now().UnixNano(),
				MetaSys:   map[string][]byte{ReservedMetadataPrefixLower + ReplicationTimestamp: []byte("2022-10-27T15:40:53.195813291+08:00"), ReservedMetadataPrefixLower + ReplicaTimestamp: []byte("2022-10-27T15:40:53.195813291+08:00")},

// collected in errs slice and returned by Wait().
func (g *NotificationGroup) Go(ctx context.Context, f func() error, index int, addr xnet.Host) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	g.workers.Take()

	go func() {
		defer g.workers.Give()

		g.errs[index] = NotificationPeerErr{
			Host: addr,
		}

		retryCount := g.retryCount
		for i := range retryCount {

)

// initDataScanner will start the scanner in the background.
func initDataScanner(ctx context.Context, objAPI ObjectLayer) {
	go func() {
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		// Run the data scanner in a loop
		for {
			runDataScanner(ctx, objAPI)
			duration := max(time.Duration(r.Float64()*float64(scannerCycle.Load())),
				// Make sure to sleep at least a second to avoid high CPU ticks.

	"gorm.io/gorm/utils"
	. "gorm.io/gorm/utils/tests"
)

func TestMigrate(t *testing.T) {
	allModels := []interface{}{&User{}, &Account{}, &Pet{}, &Company{}, &Toy{}, &Language{}, &Tools{}, &Man{}}
	rand.Seed(time.Now().UnixNano())
	rand.Shuffle(len(allModels), func(i, j int) { allModels[i], allModels[j] = allModels[j], allModels[i] })
	DB.Migrator().DropTable("user_speaks", "user_friends", "ccc")

		lastSyncTime := atomic.LoadUint64(&globalIAMSys.LastRefreshTimeUnixNano)
		var sinceLastSyncMillis uint64
		if lastSyncTime != 0 {
			sinceLastSyncMillis = (uint64(time.Now().UnixNano()) - lastSyncTime) / uint64(time.Millisecond)
		}

		pluginAuthNMetrics := globalAuthNPlugin.Metrics()
		metrics = []MetricV2{
			{
				Description: MetricDescription{

	bootstrapTrace("initAutoHeal", func() {
		initAutoHeal(GlobalContext, z)
	})

	// initialize the object layer.
	defer setObjectLayer(z)

	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	attempt := 1
	for {
		var err error
		bootstrapTrace(fmt.Sprintf("poolMeta.Init: loading pool metadata, attempt: %d", attempt), func() {
			err = z.Init(ctx) // Initializes all pools.
		})