return false;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes. If cleanup
     * is not observed after a sufficient number of reads, try cleaning up from the read thread.
     */
    void postReadCleanup() {
      if ((readCount.incrementAndGet() & DRAIN_THRESHOLD) == 0) {
        cleanUp();
      }
    }

    /**

  - [Changes by Kind](#changes-by-kind)
    - [API Change](#api-change)
    - [Feature](#feature)
    - [Documentation](#documentation)
    - [Bug or Regression](#bug-or-regression)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
  - [Dependencies](#dependencies)
    - [Added](#added)
    - [Changed](#changed)
    - [Removed](#removed)
- [v1.32.0-alpha.2](#v1320-alpha2)

    assertEquals(liveCount, originalMap.size());
    // can't compare map contents until cleanup occurs

    for (int i = 1; i <= originalCount * 2; i *= 2) {
      if (i > 1) {
        segment.expand();
      }
      assertEquals(i, segment.table.length());
      assertEquals(liveCount, countLiveEntries(map, 0));
      // expansion cleanup is sloppy, with a goal of avoiding unnecessary copies

    assertEquals(liveCount, originalMap.size());
    // can't compare map contents until cleanup occurs

    for (int i = 1; i <= originalCount * 2; i *= 2) {
      if (i > 1) {
        segment.expand();
      }
      assertEquals(i, segment.table.length());
      assertEquals(liveCount, countLiveEntries(map, 0));
      // expansion cleanup is sloppy, with a goal of avoiding unnecessary copies

* Update cluster-proportional-autoscaler, etcd-empty-dir-cleanup, fluentd-gcp, and kube-addon-manager addons with refreshed base images containing fixes for CVE-2015-8271, CVE-2016-7543, CVE-2016-9841, CVE-2016-9843, CVE-2017-1000366, CVE-2017-2616, and CVE-2017-7507. ([#48011](https://github.com/kubernetes/ku...

			Description: MetricDescription{
				Namespace: nodeMetricNamespace,
				Subsystem: ilmSubsystem,
				Name:      expiryMissedTierJournalTasks,
				Help:      "Number of tier journal entries cleanup missed due to busy system",
				Type:      counterMetric,
			},
		}
		expNumWorkers := MetricV2{
			Description: MetricDescription{
				Namespace: nodeMetricNamespace,
				Subsystem: ilmSubsystem,

* Patch CVE-2016-8859 in alpine based images: ([#42937](https://github.com/kubernetes/kubernetes/pull/42937), [@timstclair](https://github.com/timstclair))
    * - gcr.io/google-containers/etcd-empty-dir-cleanup
    * - gcr.io/google-containers/kube-dnsmasq-amd64
* Check if pathExists before performing Unmount ([#39311](https://github.com/kubernetes/kubernetes/pull/39311), [@rkouj](https://github.com/rkouj))

	var uploadedParts []minio.CompletePart
	// new multipart must not set mtime as it may lead to erroneous cleanups at various intervals.
	opts.Internal.SourceMTime = time.Time{} // this value is saved properly in CompleteMultipartUpload()
	var uploadID string
	attempts := 1
	for attempts <= 3 {