// found, otherwise use default parameters
func newSrvConfig(objAPI ObjectLayer) error {
	// Initialize server config.
	srvCfg := newServerConfig()

	// hold the mutex lock before a new config is assigned.
	globalServerConfigMu.Lock()
	globalServerConfig = srvCfg
	globalServerConfigMu.Unlock()

	// Save config into file.
	return saveServerConfig(GlobalContext, objAPI, srvCfg)

	when a new ztunnel connects with different uid, only propagate deletes to older ztunnels.
*/

type connMgr struct {
	connectionSet map[*ZtunnelConnection]struct{}
	latestConn    *ZtunnelConnection
	mu            sync.Mutex
}

func (c *connMgr) addConn(conn *ZtunnelConnection) {
	log.Debug("ztunnel connected")
	c.mu.Lock()
	defer c.mu.Unlock()
	c.connectionSet[conn] = struct{}{}
	c.latestConn = conn

[GC guide](/doc/gc-guide#Linux_transparent_huge_pages), or switch to a Linux
distribution that disables transparent huge pages altogether.

Go 1.22 added contention on runtime-internal locks to the [`mutex`
profile](/pkg/runtime/pprof#Profile). Contention on these locks is always
reported at `runtime._LostContendedRuntimeLock`. Complete stack traces of
runtime locks can be enabled with the [`runtimecontentionstacks`

	LastPong         int64
	BaseFlags        Flags
	ctx              context.Context
	cancelFn         context.CancelCauseFunc
	parent           *Connection
	respWait         chan<- Response
	respMu           sync.Mutex
	singleResp       bool
	closed           bool
	stateless        bool
	acked            bool
	init             bool
	deadline         time.Duration
	outBlock         chan struct{}
	subroute         *subHandlerID

	TraceOutput io.Writer // Debug trace output

	httpClient   *http.Client
	url          *url.URL
	newAuthToken func(audience string) string

	sync.RWMutex // mutex for lastErr
	lastErr      error
	lastErrTime  time.Time
}

type restError string

func (e restError) Error() string {
	return string(e)
}

func (e restError) Timeout() bool {

pkg runtime/debug, type BuildSetting struct, Value string
pkg strings, func Clone(string) string
pkg strings, func Cut(string, string) (string, string, bool)
pkg strings, func Title //deprecated
pkg sync, method (*Mutex) TryLock() bool
pkg sync, method (*RWMutex) TryLock() bool
pkg sync, method (*RWMutex) TryRLock() bool
pkg syscall (freebsd-386), type SysProcAttr struct, Pdeathsig Signal

	descriptorMap map[MetricName]MetricDescriptor

	// For bucket metrics, the list of buckets is stored here. It is used in the
	// Collect() call. This is protected by the `bucketsLock`.
	bucketsLock sync.Mutex
	buckets     []string
}

// NewMetricsGroup creates a new MetricsGroup. To create a metrics group for
// metrics with a `bucket` dimension (label), use `NewBucketMetricsGroup`.
//

		if err != nil {
			return err
		}
		for _, gw := range waypoints.Items {
			names = append(names, gw.Name)
		}
	}

	var wg sync.WaitGroup
	var mu sync.Mutex
	for _, name := range names {
		wg.Add(1)
		go func(name string) {
			defer wg.Done()
			if err := kubeClient.GatewayAPI().GatewayV1().Gateways(namespace).

	credentials auth.Credentials, t *testing.T,
) {
	bucketName1 := fmt.Sprintf("%s-1", bucketName)

	const n = 100
	start := make(chan struct{})
	var ok, errs int
	var wg sync.WaitGroup
	var mu sync.Mutex
	wg.Add(n)
	for i := 0; i < n; i++ {
		go func() {
			defer wg.Done()
			// Sync start.
			<-start
			if err := obj.MakeBucket(GlobalContext, bucketName1, MakeBucketOptions{}); err != nil {

	return diskMetric
}

// lockedLastMinuteLatency accumulates totals lockless for each second.
type lockedLastMinuteLatency struct {
	cachedSec int64
	cached    atomic.Pointer[AccElem]
	mu        sync.Mutex
	init      sync.Once
	lastMinuteLatency
}

func (e *lockedLastMinuteLatency) add(value time.Duration) {
	e.addSize(value, 0)
}

// addSize will add a duration and size.