return &testResponse{
				OrgNum:    req.Num,
				OrgString: req.String,
				Embedded:  *req,
			}, nil
		}))
		errFatal(err)
	}
	const payloadSize = 512
	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
	payload := make([]byte, payloadSize)
	_, err = rng.Read(payload)
	errFatal(err)

	// Wait for all to connect
	// Parallel writes per server.
	b.Run("bytes", func(b *testing.B) {

	var wg sync.WaitGroup
	disks := er.getDisks()
	infos := make([]DiskInfo, len(disks))
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for _, i := range r.Perm(len(disks)) {
		wg.Add(1)
		go func() {
			defer wg.Done()

			disk := disks[i]
			if disk == nil {
				infos[i].Error = errDiskNotFound.Error()

	doSleep := !testing.Short()
	rb := New(4 << 10).SetBlocking(true)

	// Reader
	var readErr error
	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		readRng := rand.New(rand.NewSource(1))
		defer wg.Done()
		defer rb.CloseWithError(readErr)
		buf := make([]byte, 1024)
		for {
			// Read
			n, err := rb.Read(buf[:readRng.Intn(len(buf))])
			readBytes += n
			read.Write(buf[:n])

        }
      }
    }

    /**
     * Returns an unbuffered input stream to read the last committed value, or null if no value has
     * been committed.
     */
    fun newSource(index: Int): Source? {
      synchronized(this@DiskLruCache) {
        check(!done)
        if (!entry.readable || entry.currentEditor != this || entry.zombie) {
          return null
        }
        return try {

	}
	if len(l.lockUID) != 0 {
		t.Fatalf("lockUID len, got %d, want %d + %d", len(l.lockUID), 0, 0)
	}
}

func Test_localLocker_expireOldLocksExpire(t *testing.T) {
	rng := rand.New(rand.NewSource(0))
	quorum := 0
	// Numbers of unique locks
	for _, locks := range []int{100, 1000, 1e6} {
		if testing.Short() && locks > 100 {
			continue
		}
		t.Run(fmt.Sprintf("%d-locks", locks), func(t *testing.T) {

	return hosts
}

// returns an online host (and corresponding port) from a slice of DNS records
func getHostFromSrv(records []dns.SrvRecord) (host string) {
	hosts := getHostsSlice(records)
	rng := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	var d net.Dialer
	var retry int
	for retry < len(hosts) {
		ctx, cancel := context.WithTimeout(GlobalContext, 300*time.Millisecond)

		host = hosts[rng.Intn(len(hosts))]

		retryAttempts = batchKeyRotateJobDefaultRetries
	}
	delay := job.KeyRotate.Flags.Retry.Delay
	if delay <= 0 {
		delay = batchKeyRotateJobDefaultRetryDelay
	}

	rnd := rand.New(rand.NewSource(time.Now().UnixNano()))

	selectObj := func(info FileInfo) (ok bool) {
		if r.Flags.Filter.OlderThan > 0 && time.Since(info.ModTime) < r.Flags.Filter.OlderThan {

		return
	}

	globalTrace.Publish(info)
}

func initServerConfig(ctx context.Context, newObject ObjectLayer) error {
	t1 := time.Now()

	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	for {
		select {
		case <-ctx.Done():
			// Retry was canceled successfully.
			return fmt.Errorf("Initializing sub-systems stopped gracefully %w", ctx.Err())
		default:
		}

		Tiers:       make(map[string]madmin.TierConfig),
	}
}

func (config *TierConfigMgr) refreshTierConfig(ctx context.Context, objAPI ObjectLayer) {
	const tierCfgRefresh = 15 * time.Minute
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	randInterval := func() time.Duration {
		return time.Duration(r.Float64() * 5 * float64(time.Second))
	}

	// To avoid all MinIO nodes reading the tier config object at the same
	// time.

	if c.HealthCheckFn != nil && atomic.CompareAndSwapInt32(&c.connected, online, offline) {
		go func() {
			backOff := exponentialBackoffWait(
				rand.New(rand.NewSource(time.Now().UnixNano())),
				200*time.Millisecond,
				30*time.Second,
			)

			attempt := uint(0)
			for {
				if atomic.LoadInt32(&c.connected) == closed {
					return
				}