func loadAPIRequestsHTTPMetrics(ctx context.Context, m MetricValues, _ *metricsCache) error {
	// Collect node level S3 HTTP metrics.
	httpStats := globalHTTPStats.toServerHTTPStats(false)

	// Currently we only collect S3 API related stats, so we set the "type"
	// label to "s3".

	m.Set(apiRejectedAuthTotal, float64(httpStats.TotalS3RejectedAuth), "type", "s3")
	m.Set(apiRejectedTimestampTotal, float64(httpStats.TotalS3RejectedTime), "type", "s3")

        regA(builder);
        return builder;
    }

    protected StatsAggregationBuilder regStatsA(String name, String field) {
        StatsAggregationBuilder builder = AggregationBuilders.stats(name).field(field);
        regA(builder);
        return builder;
    }

    protected PercentilesAggregationBuilder regPercentilesA(String name, String field) {

		kmsLogIf(ctx, err, "failed to fetch KMS status information")
		return []madmin.KMS{}
	}

	stats := make([]madmin.KMS, 0, len(stat.Endpoints))
	for endpoint, state := range stat.Endpoints {
		stats = append(stats, madmin.KMS{
			Status:   string(state),
			Endpoint: endpoint,
		})
	}
	return stats
}

func targetStatus(ctx context.Context, h logger.Target) madmin.Status {
	if h.IsOnline(ctx) {

	// BucketStats map of bucket to slice of deployment IDs with stats. This is populated only if there are
	// mismatches or if a specific bucket's stats are requested
	BucketStats map[string]map[string]srBucketStatsSummary
	// PolicyStats map of policy to slice of deployment IDs with stats. This is populated only if there are
	// mismatches or if a specific bucket's stats are requested
	PolicyStats map[string]map[string]srPolicyStatsSummary

}

type lockStats struct {
	Total          int
	Writes         int
	Reads          int
	LockQueue      int
	LocksAbandoned int
	LastCleanup    *time.Time
}

func (l *localLocker) stats() lockStats {
	return lockStats{
		Total:       len(l.lockMap),
		Reads:       int(l.readers.Load()),
		Writes:      int(l.writers.Load()),
		LockQueue:   int(l.waitMutex.Load()),
		LastCleanup: l.lastCleanup.Load(),

		Downloads:     totalBytesRead,
		UploadTimes:   uploadTimes,
		DownloadTimes: downloadTimes,
		DownloadTTFB:  downloadTTFB,
		Error:         retError,
	}, nil
}

// To collect RX stats during "mc support perf net"
// RXSample holds the RX bytes for the duration between
// the last peer to connect and the first peer to disconnect.
// This is to improve the RX throughput accuracy.
type netPerfRX struct {

- Optimized calculating stats when only CPU and Memory stats are returned from Kubelet stats/summary http endpoint.  ([#68841](https://github.com/kubernetes/kubernetes/pull/68841), [@krzysztof-jastrzebski](https://github.com/krzysztof-jastrzebski))

	filePath := r.Form.Get(storageRESTFilePath)
	glob := r.Form.Get(storageRESTGlob)
	done := keepHTTPResponseAlive(w)
	stats, err := s.getStorage().StatInfoFile(r.Context(), volume, filePath, glob == "true")
	done(err)
	if err != nil {
		return
	}
	for _, si := range stats {
		msgp.Encode(w, &si)
	}
}

func (s *storageRESTServer) DeleteBulkHandler(w http.ResponseWriter, r *http.Request) {

* e2e: adapt kubelet_perf.go to use the new summary metrics API ([#24003](https://github.com/kubernetes/kubernetes/pull/24003), [@yujuhong](https://github.com/yujuhong))
* e2e: fix error checking in kubelet stats ([#24205](https://github.com/kubernetes/kubernetes/pull/24205), [@yujuhong](https://github.com/yujuhong))

* Check for thin_is binary in path for devicemapper when using ThinPoolWatcher and fix uint64 overflow issue for CPU stats ([#27591](https://github.com/kubernetes/kubernetes/pull/27591), [@dchen1107](https://github.com/dchen1107))