func (k *KMS) Metrics(ctx context.Context) (*Metrics, error) {
	latency := make(map[time.Duration]uint64, len(k.latencyBuckets))
	for i, b := range k.latencyBuckets {
		latency[b] = k.latency[i].Load()
	}

	return &Metrics{
		ReqOK:   k.reqOK.Load(),
		ReqErr:  k.reqErr.Load(),
		ReqFail: k.reqFail.Load(),
		Latency: latency,
	}, nil
}

// Status returns status information about the KMS.
//

						resp, err := conn.Request(ctx, handlerTest, payload)
						latency += time.Since(t).Nanoseconds()
						if err != nil {
							if debugReqs {
								fmt.Println(err.Error())
							}
							b.Fatal(err.Error())
						}
						PutByteBuffer(resp)
						n++
					}
					atomic.AddInt64(&ops, int64(n))
					atomic.AddInt64(&lat, latency)
				})
				spent := time.Since(t)
				if spent > 0 && n > 0 {

					if hs, ok := h[t.URL().Host]; ok {
						t.TotalDowntime = hs.offlineDuration
						t.Online = hs.Online
						t.LastOnline = hs.lastOnline
						t.Latency = madmin.LatencyStat{
							Curr: hs.latency.curr,
							Avg:  hs.latency.avg,
							Max:  hs.latency.peak,
						}
					}
					targets = append(targets, t.Clone())
				}
			}
		}
		return targets
	}
	sys.RLock()
	defer sys.RUnlock()

	"github.com/minio/madmin-go/v3"
)

//go:generate msgp -file $GOFILE

// ReplicationLatency holds information of bucket operations latency, such us uploads
type ReplicationLatency struct {
	// Single & Multipart PUTs latency
	UploadHistogram LastMinuteHistogram
}

// Merge two replication latency into a new one
func (rl ReplicationLatency) merge(other ReplicationLatency) (newReplLatency ReplicationLatency) {

        override.byName.new('Value #p50')
        + override.byName.withProperty('displayName', 'P50 Latency')
        + override.byName.withProperty('decimals', 2)
        + override.byName.withProperty('unit', 'ms'),
        override.byName.new('Value #p90')
        + override.byName.withProperty('displayName', 'P90 Latency')
        + override.byName.withProperty('decimals', 2)
        + override.byName.withProperty('unit', 'ms'),

		"Total number of objects which failed replication in the last full minute on a bucket",
		bucketL)
	bucketReplLatencyMsMD = NewGaugeMD(bucketReplLatencyMs,
		"Replication latency on a bucket in milliseconds",
		bucketL, operationL, rangeL, targetArnL)
	bucketReplProxiedDeleteTaggingRequestsTotalMD = NewCounterMD(bucketReplProxiedDeleteTaggingRequestsTotal,

	}

	var out bytes.Buffer
	printHeader(&out)
	printMetrics(&out, sm)
	output := out.String()

	expectedOutput := `                                  WORKLOAD    TOTAL RPS    ERROR RPS  P50 LATENCY  P90 LATENCY  P99 LATENCY
                                   details        0.040        0.000          2ms          4ms          4ms
`
	if output != expectedOutput {

                     "options": "Value #p50"
                  },
                  "properties": [
                     {
                        "id": "displayName",
                        "value": "P50 Latency"
                     },
                     {
                        "id": "decimals",
                        "value": 2
                     },
                     {
                        "id": "unit",

				Failed:          fstats.toMetric(),
				FailStats:       fstats,
				ReplicatedSize:  stat.ReplicatedSize + oldst.ReplicatedSize,
				ReplicatedCount: stat.ReplicatedCount + oldst.ReplicatedCount,
				Latency:         stat.Latency.merge(oldst.Latency),
				XferRateLrg:     &lrg,
				XferRateSml:     &sml,
			}
			totReplicatedSize += stat.ReplicatedSize
			totReplicatedCount += stat.ReplicatedCount

net.core.wmem_default=4194304
net.ipv4.tcp_rmem="4096 87380 4194304"
net.ipv4.tcp_wmem="4096 65536 4194304"

# Reduce CPU utilization
net.ipv4.tcp_timestamps=0

# Increase throughput
net.ipv4.tcp_sack=1

# Low latency mode for TCP
net.ipv4.tcp_low_latency=1

# The following variable is used to tell the kernel how 
# much of the socket buffer space should be used for TCP 
# window size, and how much to save for an application buffer.