* Fixing heapster memory requirements. ([#26109](https://github.com/kubernetes/kubernetes/pull/26109), [@Q-Lee](https://github.com/Q-Lee))
* Handle federated service name lookups in kube-dns. ([#25727](https://github.com/kubernetes/kubernetes/pull/25727), [@madhusudancs](https://github.com/madhusudancs))

Now, when the clients **create a new hero**, they will send the `secret_name`, it will be stored in the database, but those secret names won't be returned in the API to the clients.

/// tip

This is how you would handle **passwords**. Receive them, but don't return them in the API.

You would also **hash** the values of the passwords before storing them, **never store them in plain text**.

///

The fields of `HeroCreate` are:

func setCriticalErrorHandler(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		defer func() {
			if rec := recover(); rec == logger.ErrCritical { // handle
				stack := debug.Stack()
				logger.Error("critical: \"%s %s\": %v\n%s", r.Method, r.URL, rec, string(stack))
				writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrInternalError), r.URL)
				return

	// flags.
	if h.raw && !h.hasDataDescriptor() {
		b.uint32(h.CRC32)
		b.uint32(uint32(min(h.CompressedSize64, uint32max)))
		b.uint32(uint32(min(h.UncompressedSize64, uint32max)))
	} else {
		// When this package handle the compression, these values are
		// always written to the trailing data descriptor.
		b.uint32(0) // crc32
		b.uint32(0) // compressed size
		b.uint32(0) // uncompressed size
	}
	b.uint16(uint16(len(h.Name)))

  /* use AbstractService for state management */
  private final AbstractService delegate = new ServiceDelegate();

  @WeakOuter
  private final class ServiceDelegate extends AbstractService {

    // A handle to the running task so that we can stop it when a shutdown has been requested.
    // These two fields are volatile because their values will be accessed from multiple threads.

  url: https://github.com/ArcLightSlavik
- login: ghandic
  count: 71
  avatarUrl: https://avatars.githubusercontent.com/u/23500353?u=e2e1d736f924d9be81e8bfc565b6d8836ba99773&v=4
  url: https://github.com/ghandic
- login: JavierSanchezCastro
  count: 64
  avatarUrl: https://avatars.githubusercontent.com/u/72013291?u=ae5679e6bd971d9d98cd5e76e8683f83642ba950&v=4

 * corresponding entries will be dropped from the cache. If an error occurs while writing a cache
 * value, the edit will fail silently. Callers should handle other problems by catching
 * `IOException` and responding appropriately.
 *
 * @constructor Create a cache which will reside in [directory]. This cache is lazily initialized on

# optionally, remove the old secret
kubectl delete secret --namespace=federation federation-apiserver-secret
```

- Kubernetes components no longer handle panics, and instead actively crash.  All Kubernetes components should be run by something that actively restarts them. This is true of the default setups, but those with custom environments may need to double-check (#28800, @lavalamp)

- K8s.io/dynamic-resource-allocation/controller: UnsuitableNodes did not handle a mix of allocated and unallocated claims correctly. ([#120338](https://github.com/kubernetes/kubernetes/pull/120338), [@pohly](https://github.com/pohly)) [SIG Node]

    assertSplitterIterableIsLazy(Splitter.on(","));
  }

  @J2ktIncompatible
  @GwtIncompatible // java.util.regex.Pattern
  @AndroidIncompatible // not clear that j.u.r.Matcher promises to handle mutations during use
  public void testSplitterIterableIsLazy_pattern() {
    if (!CommonPattern.isPcreLike()) {
      return;
    }
    assertSplitterIterableIsLazy(Splitter.onPattern(","));
  }

  /**