*   CRI now supports debugging via a verbose option for status functions. ([#53965](https://github.com/kubernetes/kubernetes/pull/53965), [@Random-Liu](https://github.com/Random-Liu))

* increased grpc client default response size. ([#63977](https://github.com/kubernetes/kubernetes/pull/677), [@runcom](https://github.com/runcom))
* Applied pod name and namespace labels to pod cgroup in cAdvisor metrics ([#63406](https://github.com/kubernetes/kubernetes/pull/63406), [@derekwaynecarr](https://github.com/derekwaynecarr))

* Fix `RunAsGroup` which doesn't work since 1.10. ([#65926](https://github.com/kubernetes/kubernetes/pull/65926), [@Random-Liu](https://github.com/Random-Liu))
* Fix a bug that preempting a pod may block forever. ([#65987](https://github.com/kubernetes/kubernetes/pull/65987), [@Random-Liu](https://github.com/Random-Liu))

* Kubelet: Periodically reporting image pulling progress in log ([#26145](https://github.com/kubernetes/kubernetes/pull/26145), [@Random-Liu](https://github.com/Random-Liu))

* Kubelet: Add image cache. ([#38375](https://github.com/kubernetes/kubernetes/pull/38375), [@Random-Liu](https://github.com/Random-Liu))



# v1.5.1

[Documentation](https://docs.k8s.io) & [Examples](https://releases.k8s.io/release-1.5/examples)

## Downloads for v1.5.1


filename | sha256 hash

  * Detach the volume when pod is terminated ([#45286](https://github.com/kubernetes/kubernetes/pull/45286), [@gnufied](https://github.com/gnufied))

  * CRI: Fix StopContainer timeout ([#44970](https://github.com/kubernetes/kubernetes/pull/44970), [@Random-Liu](https://github.com/Random-Liu))

* Fix kubelet request timeout when stopping a container. ([#46267](https://github.com/kubernetes/kubernetes/pull/46267), [@Random-Liu](https://github.com/Random-Liu))
* Add generic NoSchedule toleration to fluentd in gcp config. ([#48182](https://github.com/kubernetes/kubernetes/pull/48182), [@gmarek](https://github.com/gmarek))

import java.io.IOException;
import java.io.InputStream;
import java.util.Random;

/** Returns a random portion of the requested bytes on each call. */
class RandomAmountInputStream extends FilterInputStream {
  private final Random random;

  public RandomAmountInputStream(InputStream in, Random random) {
    super(checkNotNull(in));
    this.random = checkNotNull(random);
  }

  @Override

import com.google.caliper.Benchmark;
import java.util.Random;

/**
 * Benchmarks for certain methods of {@code UnsignedLongs}.
 *
 * @author Eamonn McManus
 */
public class UnsignedLongsBenchmark {
  private static final int ARRAY_SIZE = 0x10000;
  private static final int ARRAY_MASK = 0x0ffff;
  private static final Random RANDOM_SOURCE = new Random(314159265358979L);

  @Param({"20", "2000"})
  int size;

  @Param({"2", "20"})
  int nonAlphaRatio; // one non-alpha char per this many chars

  @Param boolean noWorkToDo;

  Random random;
  String testString;

  @BeforeExperiment
  void setUp() {
    random = new Random(0xdeadbeef); // fix the seed so results are comparable across runs

    int nonAlpha = size / nonAlphaRatio;
    int alpha = size - nonAlpha;