- Joining control plane nodes to a HA cluster can now be simplified by enabling the optional automatic copy of certificates from an existing control plane node.
- You can now use `kubeadm init --experimental-upload-certs` and `kubeadm join --experimental-control-plane --certificate-key`.
kubernetes/kubeadm: [#1373](https://github.com/kubernetes/kubeadm/issues/1373)

  /** Total number of pongs received by this web socket. */
  private var receivedPongCount = 0

  /** True if we have sent a ping that is still awaiting a reply. */
  private var awaitingPong = false

  init {
    require("GET" == originalRequest.method) {
      "Request must be GET: ${originalRequest.method}"
    }

    this.key = ByteArray(16).apply { random.nextBytes(this) }.toByteString().base64()
  }

## Changes since v1.3.0-beta.1

### Experimental Features

   * includes this edge.
   */
  abstract void addEdge(Integer n1, Integer n2, String e);

  final boolean graphIsMutable() {
    return networkAsMutableNetwork != null;
  }

  @Before
  public void init() {
    network = createGraph();
    if (network instanceof MutableNetwork) {
      networkAsMutableNetwork = (MutableNetwork<Integer, String>) network;
    }
  }

  @After

    private List<Crawler> crawlerList;

    private IngestFactory ingestFactory = null;

    public IndexUpdater() {
        // nothing
    }

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        if (ComponentUtil.hasIngestFactory()) {

 - Fix HPA when using init containers and CRI-O ([#90900](https://github.com/kubernetes/kubernetes/pull/90900), [@joelsmith](https://github.com/joelsmith)) [SIG Node]

  internal var errorCode: ErrorCode? = null
    get() = this.withLock { field }

  /** The exception that explains [errorCode]. Null if no exception was provided. */
  internal var errorException: IOException? = null

  init {
    if (headers != null) {
      check(!isLocallyInitiated) { "locally-initiated streams shouldn't have headers yet" }
      headersQueue += headers
    } else {

	lz4Type    CompressionType = "LZ4"
	s2Type     CompressionType = "S2"
	snappyType CompressionType = "SNAPPY"
)

const (
	maxRecordSize = 1 << 20 // 1 MiB
)

var parquetSupport bool

func init() {
	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {
		// make a buffer with a reasonable capacity.

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	_, isEncrypted := crypto.IsEncrypted(mi.UserDefined)

	// Read compression metadata preserved in the init multipart for the decision.
	_, isCompressed := mi.UserDefined[ReservedMetadataPrefix+"compression"]
	// Compress only if the compression is enabled during initial multipart.
	var idxCb func() []byte
	if isCompressed {

/// info

Se você estiver usando o Kubernetes, provavelmente será um <a href="https://kubernetes.io/docs/concepts/workloads/pods/init-containers/" class="external-link" target="_blank">Init Container</a>.

///