return bits.OnesCount64(uint64(t)) == 1
}

// FromUint64 will set a mask to the uint64 value.
func (t *Mask) FromUint64(m uint64) {
	*t = Mask(m)
}

// Merge will merge other into t.
func (t *Mask) Merge(other Mask) {
	*t |= other
}

// MergeMaskable will merge other into t.
func (t *Mask) MergeMaskable(other Maskable) {
	*t |= Mask(other.Mask())
}

// SetIf will add other if b is true.

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) {
	newReplLatency.UploadHistogram = rl.UploadHistogram.Merge(other.UploadHistogram)
	return
}

// Get upload latency of each object size range

			disks: diskMap,
			jobID: jobID,
			depID: dID,
		})
		m.Merge(&mLocal)
		// Allow half the interval for collecting remote...
		cctx, cancel := context.WithTimeout(ctx, interval/2)
		mRemote := collectRemoteMetrics(cctx, types, collectMetricsOpts{
			hosts: hostMap,
			disks: diskMap,
			jobID: jobID,
			depID: dID,
		})
		cancel()
		m.Merge(&mRemote)
		if !byHost {
			m.ByHost = nil
		}

mapreduce.job.reduce.slowstart.completedmaps=0.99 # 99% map, then reduce
mapreduce.reduce.shuffle.input.buffer.percent=0.9 # Min % buffer in RAM
mapreduce.reduce.shuffle.merge.percent=0.9 # Minimum % merges in RAM
mapreduce.reduce.speculative=false # Disable speculation for reducing
mapreduce.task.io.sort.factor=999 # Threshold before writing to disk

func GetNotifyKafka(kafkaKVS map[string]config.KVS) (map[string]target.KafkaArgs, error) {
	kafkaTargets := make(map[string]target.KafkaArgs)
	for k, kv := range config.Merge(kafkaKVS, target.EnvKafkaEnable, DefaultKafkaKVS) {
		enableEnv := target.EnvKafkaEnable
		if k != config.Default {
			enableEnv = enableEnv + config.Default + k
		}

		if objLayer == nil {
			return
		}

		storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)

		v = storageMetrics{
			storageInfo:   storageInfo,
			onlineDrives:  onlineDrives.Sum(),
			offlineDrives: offlineDrives.Sum(),
			totalDrives:   totalDrives.Sum(),

						t.Errorf("want %v != got %v", test.want, got)
					}
				})
			}
		})
	}
}

func Test_mergeEntryChannels(t *testing.T) {
	dataZ, err := os.ReadFile("testdata/xl-meta-merge.zip")
	if err != nil {
		t.Fatal(err)
	}
	var vers []metaCacheEntry
	zr, err := zip.NewReader(bytes.NewReader(dataZ), int64(len(dataZ)))
	if err != nil {
		t.Fatal(err)
	}

	for i, stat := range lastDayStats {
		if errs[i] != nil {
			peersLogOnceIf(ctx, fmt.Errorf("failed to fetch last day tier stats: %w", errs[i]), sys.peerClients[i].host.String())
			continue
		}
		merged.merge(stat)
	}
	return merged
}

// GetReplicationMRF - Get replication MRF from all peers.

Additional Annotations for the Kubernetes Job customCommandJob customCommandJob: securityContext: enabled: false runAsUser: 1000 runAsGroup: 1000 resources: requests: memory: 128Mi # Command to run after the main command on exit exitCommand: "" ## Merge jobs postJob: podAnnotations: {} annotations: {} securityContext: enabled: false runAsUser: 1000 runAsGroup: 1000 fsGroup: 1000 nodeSelector: {} tolerations: [] affinity: {} ## Use this field to add environment variables relevant to MinIO server. These...

Annotations for the Kubernetes Job customCommandJob customCommandJob: securityContext: enabled: false runAsUser: 1000 runAsGroup: 1000 fsGroup: 1000 resources: requests: memory: 128Mi # Command to run after the main command on exit exitCommand: "" ## Merge jobs postJob: podAnnotations: {} annotations: {} securityContext: enabled: false runAsUser: 1000 runAsGroup: 1000 fsGroup: 1000 nodeSelector: {} tolerations: [] affinity: {} ## Use this field to add environment variables relevant to MinIO server. These...