// When the timeout is sent the connection doesn't immediately go unhealthy.
    assertThat(connection.isHealthy(System.nanoTime())).isTrue()

    // But if the ping doesn't arrive, the connection goes unhealthy.
    Thread.sleep(TimeUnit.NANOSECONDS.toMillis(Http2Connection.DEGRADED_PONG_TIMEOUT_NS.toLong()))
    assertThat(connection.isHealthy(System.nanoTime())).isFalse()

  private var degradedPingsSent = 0L
  private var degradedPongsReceived = 0L
  private var awaitPingsSent = 0L
  private var awaitPongsReceived = 0L

  /** Consider this connection to be unhealthy if a degraded pong isn't received by this time. */
  private var degradedPongDeadlineNs = 0L

  internal val flowControlListener: FlowControlListener = builder.flowControlListener

    if (connection!!.isHealthy(false)) {
      Thread.sleep(100L)
    }
    if (connection.isHealthy(false)) {
      Thread.sleep(2000L)
    }
    if (connection.isHealthy(false)) {
      throw TimeoutException("connection didn't shutdown within timeout")
    }
  }

  /**
   * This simulates a race condition where we receive a healthy HTTP/2 connection and just prior to

    could use new flow control capacity before acknowledging it, causing strict HTTP/2 servers to
    fail the call.

 *  Fix: Recover gracefully when a coalesced connection immediately goes unhealthy.

## Version 3.14.2

_2019-05-19_

 *  Fix: Lock in a route when recovering from an HTTP/2 connection error. We had a bug where two

				adminLogIf(ctx, nerr.Err)
				errCount++
			}
		}
		if errCount == len(nerrs) {
			return madmin.BgHealState{}, fmt.Errorf("all remote servers failed to report heal status, cluster is unhealthy")
		}
		bgHealStates.Merge(peersHealStates...)
	}

	return bgHealStates, nil
}

func (a adminAPIHandlers) BackgroundHealStatusHandler(w http.ResponseWriter, r *http.Request) {

  /**
   * Waits for the {@link ServiceManager} to become {@linkplain #isHealthy() healthy}. The manager
   * will become healthy after all the component services have reached the {@linkplain State#RUNNING
   * running} state.
   *
   * @throws IllegalStateException if the service manager reaches a state from which it cannot
   *     become {@linkplain #isHealthy() healthy}.
   */
  public void awaitHealthy() {
    state.awaitHealthy();

  /**
   * Waits for the {@link ServiceManager} to become {@linkplain #isHealthy() healthy}. The manager
   * will become healthy after all the component services have reached the {@linkplain State#RUNNING
   * running} state.
   *
   * @throws IllegalStateException if the service manager reaches a state from which it cannot
   *     become {@linkplain #isHealthy() healthy}.
   */
  public void awaitHealthy() {
    state.awaitHealthy();

- The PodDisruptionBudget `spec.unhealthyPodEvictionPolicy` field has graduated to GA. This field may be set to `AlwaysAllow` to always allow unhealthy pods covered by the PodDisruptionBudget to be evicted. ([#123428](https://github.com/kubernetes/kubernetes/pull/123428), [@atiratree](https://github.com/atiratree)) [SIG Apps, Auth, Node and Testing]

    manager.addListener(listener, directExecutor());
    assertState(manager, Service.State.NEW, a, b);
    assertFalse(manager.isHealthy());
    manager.startAsync().awaitHealthy();
    assertState(manager, Service.State.RUNNING, a, b);
    assertTrue(manager.isHealthy());
    assertTrue(listener.healthyCalled);
    assertFalse(listener.stoppedCalled);
    assertTrue(listener.failedServices.isEmpty());

- Unhealthy pods covered by PDBs can be successfully evicted if enough healthy pods are available. ([#94381](https://github.com/kubernetes/kubernetes/pull/94381), [@michaelgugino](https://github.com/michaelgugino)) [SIG Apps]