timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()

	_, err := client.Delete(timeoutCtx, key)
	etcdLogIf(ctx, err)
	return etcdErrToErr(err, client.Endpoints())
}

func readKeyEtcd(ctx context.Context, client *etcd.Client, key string) ([]byte, error) {
	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	resp, err := client.Get(timeoutCtx, key)
	if err != nil {

	}

	loopCount := 100
	var wg sync.WaitGroup
	var unexpectedError bool
	writerFinish := make(chan struct{})

	wg.Add(1)
	go func(id uint) {
		defer wg.Done()
		defer close(writerFinish)

		for j := 0; j < loopCount; j++ {
			var tmp User
			err := tx.Session(&gorm.Session{}).First(&tmp, id).Error
			if err == nil || isUsingClosedConnError(err) {
				continue
			}

	defer downloadsCancel()

	gopts := minio.GetObjectOptions{}
	gopts.Set(globalObjectPerfUserMetadata, "true") // Bypass S3 API freeze

	var downloadTimes madmin.TimeDurations
	var downloadTTFB madmin.TimeDurations
	wg.Add(opts.concurrency)

	c := minio.Core{Client: clnt}
	for i := 0; i < opts.concurrency; i++ {
		go func(i int) {
			defer wg.Done()
			var j uint64

	for i := range lockServers {
		lockServers[i].setResponseDelay(5 * testDrwMutexUnlockCallTimeout)
		defer lockServers[i].setResponseDelay(0)
	}

	unlockReturned := make(chan struct{}, 1)
	go func() {
		ctx, cancel := context.WithTimeout(t.Context(), 500*time.Millisecond)
		defer cancel()
		dm.Unlock(ctx)
		// Unlock is not blocking. Try to get a new lock.

func (r *ReqInfo) AppendTags(key, val string) *ReqInfo {
	if r == nil {
		return nil
	}
	r.Lock()
	defer r.Unlock()
	r.tags = append(r.tags, KeyVal{key, val})
	return r
}

// SetTags - sets key/val to ReqInfo.tags
func (r *ReqInfo) SetTags(key, val string) *ReqInfo {
	if r == nil {
		return nil
	}
	r.Lock()
	defer r.Unlock()
	// Search of tag key already exists in tags
	var updated bool
	for _, tag := range r.tags {

	s.Lock()
	defer s.Unlock()
	stats, ok := s.stats[bucket]
	if !ok {
		stats = &bucketS3RXTX{
			s3InputBytes: uint64(n),
		}
	} else {
		stats.s3InputBytes += uint64(n)
	}
	s.stats[bucket] = stats
}

// Increase S3 total output bytes for input bucket
func (s *bucketConnStats) incS3OutputBytes(bucket string, n int64) {
	s.Lock()
	defer s.Unlock()
	stats, ok := s.stats[bucket]

	var wg sync.WaitGroup
	for i := range numGoroutines {
		wg.Add(1)
		go func(id int) {
			defer wg.Done()
			for j := 0; j < opsPerGoroutine; j++ {
				stats.Inc("TestAPI")
			}
		}(i)
	}

	for i := range numGoroutines / 2 {
		wg.Add(1)
		go func(id int) {
			defer wg.Done()
			for range opsPerGoroutine / 2 {
				_ = stats.Load(false)
			}
		}(i)
	}
	wg.Wait()

		time.Sleep(time.Duration(d))
	}

	l.mutex.Lock()
	defer l.mutex.Unlock()
	reply = !l.lockNotFound
	return reply, nil
}

func (l *lockServer) ForceUnlock(args *LockArgs) (reply bool, err error) {
	if d := atomic.LoadInt64(&l.responseDelay); d != 0 {
		time.Sleep(time.Duration(d))
	}

	l.mutex.Lock()
	defer l.mutex.Unlock()
	if len(args.UID) != 0 {

			return
		}
	}
}

func (m *Monitor) updateMovingAvg() {
	m.mlock.Lock()
	defer m.mlock.Unlock()
	for _, bucketMeasurement := range m.bucketsMeasurement {
		bucketMeasurement.updateExponentialMovingAverage(time.Now())
	}
}

func (m *Monitor) init(opts BucketOptions) {
	m.mlock.Lock()
	defer m.mlock.Unlock()

	_, ok := m.bucketsMeasurement[opts]
	if !ok {

	ch1 := make(chan Maskable, 1)
	ch2 := make(chan Maskable, 1)
	doneCh := make(chan struct{})
	defer close(doneCh)
	if err := ps.Subscribe(MaskAll, ch1, doneCh, nil); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if err := ps.Subscribe(MaskAll, ch2, doneCh, nil); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	ps.Lock()
	defer ps.Unlock()

	if len(ps.subs) != 2 || ps.NumSubscribers(MaskAll) != 2 || ps.Subscribers() != 2 {