scalability testing in a continuous integration (CI) environment. The SIG
defined a concrete process for scalability testing, created
documentation for the current scalability thresholds, and defined a new set of
Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for the system.
Here's the release [scalability validation report].

[SIG Scalability]: https://github.com/kubernetes/community/tree/master/sig-scalability

    val expectedPayload1 = 7
    val expectedPayload2 = 8
    writeMedium(frame, 8) // length
    frame.writeByte(Http2.TYPE_PING)
    frame.writeByte(Http2.FLAG_ACK)
    frame.writeInt(0) // connection-level
    frame.writeInt(expectedPayload1)
    frame.writeInt(expectedPayload2)

    // Check writer sends the same bytes.
    assertThat(sendPingFrame(true, expectedPayload1, expectedPayload2)).isEqualTo(frame)

- Enabled in-place resizing of pod-level resources.  
  - Added `Resources` in `PodStatus` to capture resources set in the pod-level cgroup.  

  val directoryPath: Path
    get() = cache.directory

  @JvmName("-deprecated_directory")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "directory"),
    level = DeprecationLevel.ERROR,
  )
  fun directory(): File = cache.directory.toFile()

  @Synchronized internal fun trackResponse(cacheStrategy: CacheStrategy) {
    requestCount++

}

// RegisterCompressor registers or overrides a custom compressor for a specific
// method ID. If a compressor for a given method is not found, [Writer] will
// default to looking up the compressor at the package level.
func (w *Writer) RegisterCompressor(method uint16, comp Compressor) {
	if w.compressors == nil {
		w.compressors = make(map[uint16]Compressor)
	}
	w.compressors[method] = comp
}

- Change `pod_preemption_victims` metric from Gauge to Histogram. ([#83603](https://github.com/kubernetes/kubernetes/pull/83603), [@Tabrizian](https://github.com/Tabrizian))
- Following metrics from kubelet are now marked as with the ALPHA stability level:
  `kubelet_container_log_filesystem_used_bytes`

import static java.nio.file.Files.createFile;
import static java.nio.file.Files.createSymbolicLink;
import static java.nio.file.Files.createTempDirectory;
import static java.util.logging.Level.WARNING;

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.Closer;
import com.google.common.io.Files;

  }

  private final AtomicInteger freshness = new AtomicInteger(1);
  private final ListMultimap<Class<?>, Object> sampleInstances = ArrayListMultimap.create();

  /**
   * The freshness level at which the {@link Empty @Empty} annotated method was invoked to generate
   * instance.
   */
  private final Map<Type, Integer> emptyInstanceGenerated = new HashMap<>();

    SerializableTester.reserializeAndAssert(trimEqualsFoo);
  }

  /**
   * Tests for Predicates.contains(Pattern) and .containsPattern(String). We assume the regex level
   * works, so there are only trivial tests of that aspect. TODO: Fix comment style once annotation
   * stripper is fixed.
   */
  @GwtIncompatible // Predicates.containsPattern

- Changed the Pod API to support `hugepage resources` at `spec` level for pod-level resources. ([#130577](https://github.com/kubernetes/kubernetes/pull/130577), [@KevinTMtz](https://github.com/KevinTMtz)) [SIG Apps, CLI, Node, Scheduling, Storage and Testing]