append(buf, "percent", () -> osProbe.getSystemCpuPercent());
        final OsStats osStats = osProbe.osStats();
        buf.append("},");
        append(buf, "load_averages", () -> osStats.getCpu().getLoadAverage());
        buf.append("},");
    }

    private void appendFesenStats(final StringBuilder buf) {
        String stats = null;
        try {

    // GET /api/admin/stats
    @Execute
    public JsonResponse<ApiResult> index() {
        final HashMap<String, Object> stats = new HashMap<>();
        stats.put("jvm", getJvmObj());
        stats.put("os", getOsObj());
        stats.put("process", getProcessObj());
        stats.put("engine", getEngineObj());
        stats.put("fs", getFsObj());

	stats.GCSys = memstats.gcMiscSys.load() + gcWorkBufInUse + gcProgPtrScalarBitsInUse
	stats.OtherSys = memstats.other_sys.load()
	stats.NextGC = heapGoal
	stats.LastGC = memstats.last_gc_unix
	stats.PauseTotalNs = memstats.pause_total_ns
	stats.PauseNs = memstats.pause_ns
	stats.PauseEnd = memstats.pause_end
	stats.NumGC = memstats.numgc
	stats.NumForcedGC = memstats.numforcedgc

	qs.QStats = r.qCache.getSiteStats()

	r.RLock()
	defer r.RUnlock()
	tx := newXferStats()
	for _, brs := range r.Cache {
		for _, v := range brs.Stats {
			tx := tx.merge(*v.XferRateLrg)
			tx = tx.merge(*v.XferRateSml)
		}
	}
	qs.XferStats[Total] = *tx
	return qs
}

// ReplicationQueueStats holds overall queue stats for replication

		return 0
	}

	stats.RLock()
	defer stats.RUnlock()

	val, ok := stats.apiStats[api]
	if ok {
		return val
	}

	return 0
}

// Load returns the recorded stats.
func (stats *HTTPAPIStats) Load(toLower bool) map[string]int {
	if stats == nil {
		return map[string]int{}
	}

	stats.RLock()
	defer stats.RUnlock()

	if len(r.mostRecentStats.Stats) == 0 {
		r.mostRecentStats = BucketStatsMap{Stats: make(map[string]BucketStats, 1), Timestamp: UTCNow()}
	}
	if len(bs.ReplicationStats.Stats) > 0 {
		r.mostRecentStats.Stats[bucket] = bs
	}
	r.mostRecentStats.Timestamp = UTCNow()
	r.mostRecentStatsMu.Unlock()
	return bs
}

// get the most current of in-memory replication stats  and data usage info from crawler.

   * versions.
   */
  public static Stats fromByteArray(byte[] byteArray) {
    checkNotNull(byteArray);
    checkArgument(
        byteArray.length == BYTES,
        "Expected Stats.BYTES = %s remaining , got %s",
        BYTES,
        byteArray.length);
    return readFrom(ByteBuffer.wrap(byteArray).order(ByteOrder.LITTLE_ENDIAN));
  }

  /**

type cadvisorStatsProvider struct {
	// cadvisor is used to get the stats of the cgroup for the containers that
	// are managed by pods.
	cadvisor cadvisor.Interface
	// resourceAnalyzer is used to get the volume stats of the pods.
	resourceAnalyzer stats.ResourceAnalyzer
	// imageService is used to get the stats of the image filesystem.
	imageService kubecontainer.ImageService

    assertStatsApproxEqual(EMPTY_STATS_ITERABLE, emptyAccumulatorByAddAllEmptyPairedStats.xStats());
    assertStatsApproxEqual(ONE_VALUE_STATS, oneValueAccumulator.xStats());
    assertStatsApproxEqual(ONE_VALUE_STATS, oneValueAccumulatorByAddAllEmptyPairedStats.xStats());
    assertStatsApproxEqual(TWO_VALUES_STATS, twoValuesAccumulator.xStats());
    assertStatsApproxEqual(

	}
	if stats.Memory != nil {
		result.Memory.Time = metav1.NewTime(time.Unix(0, stats.Memory.Timestamp))
		if stats.Memory.WorkingSetBytes != nil {
			result.Memory.WorkingSetBytes = &stats.Memory.WorkingSetBytes.Value
		}
		if stats.Memory.AvailableBytes != nil {
			result.Memory.AvailableBytes = &stats.Memory.AvailableBytes.Value
		}
		if stats.Memory.PageFaults != nil {