func replayItems[I any](store Store[I], doneCh <-chan struct{}, log logger, id string) <-chan Key {
	keyCh := make(chan Key)

	go func() {
		defer xioutil.SafeClose(keyCh)

		retryTicker := time.NewTicker(retryInterval)
		defer retryTicker.Stop()

		for {
			for _, key := range store.List() {
				select {
				case keyCh <- key:
				// Get next key.
				case <-doneCh:
					return
				}
			}

		}
		if pingInterval < 1 {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidQueryParams), r.URL)
			return
		}
		t := time.NewTicker(time.Duration(pingInterval) * time.Second)
		defer t.Stop()
		emptyEventTicker = t.C
	} else {
		// Deprecated Apr 2023
		t := time.NewTicker(500 * time.Millisecond)
		defer t.Stop()
		keepAliveTicker = t.C
	}

	enc := json.NewEncoder(w)
	for {
		select {

	batch := &Batch[I]{
		items:  make([]I, 0, config.Limit),
		limit:  config.Limit,
		store:  config.Store,
		quitCh: quitCh,
	}
	if batch.store != nil {
		go func() {
			commitTicker := time.NewTicker(config.CommitTimeout)
			defer commitTicker.Stop()
			for {
				select {
				case <-commitTicker.C:
				case <-batch.quitCh:
					return
				}
				batch.Lock()
				err := batch.commit()

			label: labels[1],
		},
		{
			val:   0.31,
			label: labels[1],
		},
		{
			val:   0.61,
			label: labels[3],
		},
		{
			val:   0.79,
			label: labels[2],
		},
	}
	ticker := time.NewTicker(1 * time.Millisecond)
	defer ticker.Stop()
	for _, obs := range observations {
		// Send observations once every 1ms, to simulate delay between
		// observations. This is to test the channel based

	m := &Monitor{
		bucketsMeasurement:    make(map[BucketOptions]*bucketMeasurement),
		bucketsThrottle:       make(map[BucketOptions]*bucketThrottle),
		bucketMovingAvgTicker: time.NewTicker(2 * time.Second),
		ctx:                   ctx,
		NodeCount:             numNodes,
	}
	go m.trackEWMA()
	return m
}

func (m *Monitor) updateMeasurement(opts BucketOptions, bytes uint64) {
	m.mlock.Lock()

	// Start saver when object layer is ready.
	go func() {
		objAPI := newObjectLayerFn()
		for objAPI == nil {
			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 {

func (m metacache) keepAlive(ctx context.Context, rpc *peerRESTClient) {
	// we intentionally operate on a copy of m, so we can update without locks.
	t := time.NewTicker(metacacheMaxClientWait / 10)
	defer t.Stop()
	for {
		select {
		case <-ctx.Done():
			// Request is done, stop updating.
			return
		case <-t.C:
			m.lastHandout = time.Now()

	handlerErr = handler.Handle(ctx, msg.Payload, handlerIn, send)
	return handlerErr
}

// checkRemoteAlive will check if the remote is alive.
func (m *muxServer) checkRemoteAlive() {
	t := time.NewTicker(m.clientPingInterval)
	defer t.Stop()
	for {
		select {
		case <-m.ctx.Done():
			return
		case <-t.C:
			last := time.Since(time.Unix(atomic.LoadInt64(&m.LastPing), 0))

	} else {
		srs.XferRateSml.addSize(sz, duration)
	}
}

func newSRStats() *SRStats {
	s := SRStats{
		M:               make(map[string]*SRStatus),
		movingAvgTicker: time.NewTicker(time.Second * 2),
	}
	go s.trackEWMA()
	return &s
}

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