| `minio_node_scanner_bucket_scans_started`  | Total number of bucket scans started since server start.    |
| `minio_node_scanner_directories_scanned`   | Total number of directories scanned since server start.     |
| `minio_node_scanner_objects_scanned`       | Total number of unique objects scanned since server start.  |

    - [Server Binaries](#server-binaries)
  - [Changelog since v1.3.9](#changelog-since-v139)
    - [Other notable changes](#other-notable-changes)
- [v1.3.9](#v139)
  - [Downloads](#downloads)
  - [Changelog since v1.3.8](#changelog-since-v138)
    - [Other notable changes](#other-notable-changes-1)
- [v1.3.8](#v138)
  - [Downloads](#downloads-1)
  - [Changelog since v1.3.7](#changelog-since-v137)
    - [Other notable changes](#other-notable-changes-2)

func (l *lastDayTierStats) forwardTo(t time.Time) {
	if t.IsZero() {
		t = time.Now()
	}

	since := t.Sub(l.UpdatedAt).Hours()
	// within the hour since l.UpdatedAt
	if since < 1 {
		return
	}

	idx, lastIdx := t.Hour(), l.UpdatedAt.Hour()

	l.UpdatedAt = t // update to the latest time index

	if since >= 24 {
		l.Bins = [24]tierStats{}
		return
	}

	for lastIdx != idx {

	if !ok {
		m.mu.Unlock()
		return
	}
	delete(m.buckets, bucket)
	m.mu.Unlock()

	// Since deletes may take some time we try to do it without
	// holding lock to m all the time.
	b.mu.Lock()
	defer b.mu.Unlock()
	for k, v := range b.caches {
		if time.Since(v.lastUpdate) > metacacheMaxRunningAge {
			v.delete(context.Background())
			continue
		}
		v.error = "Bucket deleted"

     *
     * @return the creation time in milliseconds since epoch
     */
    long createTime();

    /**
     * Gets the last modified time.
     *
     * @return the last modified time in milliseconds since epoch
     */
    long lastModified();

    /**
     * Gets the last access time.
     *
     * @return the last access time in milliseconds since epoch
     */
    long lastAccess();

    /**

		return false
	}
	cache := m
	switch {
	case !cache.finished() && time.Since(cache.lastUpdate) > metacacheMaxRunningAge:
		// Not finished and update for metacacheMaxRunningAge, discard it.
		return false
	case cache.finished() && time.Since(cache.lastHandout) > 5*metacacheMaxClientWait:
		// Keep for 15 minutes after we last saw the client.
		// Since the cache is finished keeping it a bit longer doesn't hurt us.
		return false

		Help:      "Total number of drive timeout errors since server uptime",
		Type:      counterMetric,
	}
}

func getNodeDriveIOErrorsMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: driveSubsystem,
		Name:      "errors_ioerror",
		Help:      "Total number of drive I/O errors since server uptime",
		Type:      counterMetric,
	}
}

     */
    int getAttributes();

    /**
     * Gets the creation time.
     *
     * @return the creation time in milliseconds since epoch
     */
    long createTime();

    /**
     * Gets the last modified time.
     *
     * @return the last modified time in milliseconds since epoch
     */
    long lastModified();

    /**
     * Gets the file size.
     *
     * @return the file size in bytes

  public void testRemove_nullKeyQueriesUnsupported() {
    try {
      assertFalse(getMap().remove(null, v3()));
    } catch (NullPointerException tolerated) {
      // since the operation would be a no-op, the exception is not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_VALUE_QUERIES)

 * ScheduledExecutorService}, call {@link
 * MoreExecutors#listeningDecorator(ScheduledExecutorService)}.
 *
 * @author Chris Povirk
 * @since 10.0
 */
@GwtIncompatible
public interface ListeningScheduledExecutorService
    extends ScheduledExecutorService, ListeningExecutorService {

  /**
   * @since 15.0 (previously returned ScheduledFuture)
   */
  @Override