if err != nil {
		atomic.AddUint64(&sys.TotalRefreshFailures, 1)
		return err
	}
	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() {

	}
}

// save mrf entries to nodenamehex.bin
func (p *ReplicationPool) saveMRFEntries(ctx context.Context, entries map[string]MRFReplicateEntry) {
	if !p.initialized() {
		return
	}
	atomic.StoreUint64(&p.stats.mrfStats.LastFailedCount, uint64(len(entries)))
	if len(entries) == 0 {
		return
	}

	v := MRFReplicateEntries{
		Entries: entries,
		Version: mrfMetaVersion,
	}

	sr := &scanner{
		end:       maxInt,
		fillReq:   make(chan struct{}),
		fillReady: make(chan int64),
	}

	go func() {
		var rpos int64 // total bytes read into buffer

		defer func() {
			atomic.StoreInt64(&sr.end, rpos)
			close(sr.fillReady)
		}()

		for range sr.fillReq {
		scan:
			n, err := r.Read(sr.nbuf[:])

			if n == 0 {
				switch err {
				case io.EOF: // reader is exhausted
					return

func (e *lockedLastMinuteLatency) addSize(value time.Duration, sz int64) {
	// alloc on every call, so we have a clean entry to swap in.
	t := time.Now().Unix()
	e.init.Do(func() {
		e.cached.Store(&AccElem{})
		atomic.StoreInt64(&e.cachedSec, t)
	})
	acc := e.cached.Load()
	if lastT := atomic.LoadInt64(&e.cachedSec); lastT != t {
		// Check if lastT was changed by someone else.
		if atomic.CompareAndSwapInt64(&e.cachedSec, lastT, t) {