RemovalListener<Integer, Integer> countingListener =
        new RemovalListener<Integer, Integer>() {
          @Override
          public void onRemoval(RemovalNotification<Integer, Integer> notification) {
            switch (notification.getCause()) {
              case EXPIRED:
                stats[0]++;
                break;
              case EXPLICIT:
                stats[1]++;
                break;

                logger.info("[CRAWL INFO] {}", buf);
            }

            // notification
            try {
                crawler.sendMail(infoMap);
            } catch (final Exception e) {
                logger.warn("Failed to send a mail.", e);
            }

        }
    }

    /**
     * Sends email notification with crawling results and statistics.

     * @return The search helper.
     */
    public static SearchHelper getSearchHelper() {
        return getComponent(SEARCH_HELPER);
    }

    /**
     * Gets the notification helper component.
     * @return The notification helper.
     */
    public static NotificationHelper getNotificationHelper() {
        return getComponent(NOTIFICATION_HELPER);
    }

    /**

 *   <li>keys automatically wrapped in {@code WeakReference}
 *   <li>values automatically wrapped in {@code WeakReference} or {@code SoftReference}
 *   <li>notification of evicted (or otherwise removed) entries
 *   <li>accumulation of cache access statistics
 * </ul>
 *
 * <p>These features are all optional; caches can be created using all or none of them. By default,

      notifyStarted();
    }

    @Override
    protected void doStop() {
      notifyStopped();
    }
  }

  /*
   * A NoOp service that will delay the startup and shutdown notification for a configurable amount
   * of time.
   */
  private static class NoOpDelayedService extends NoOpService {
    private final long delay;

    NoOpDelayedService(long delay) {
      this.delay = delay;
    }

     *
     * Multiple calls to this method may be made concurrently.
     */
    @Throws(IOException::class)
    abstract fun onStream(stream: Http2Stream)

    /**
     * Notification that the connection's peer's settings may have changed to [settings].
     * Implementations should take appropriate action to handle the updated settings.
     *

    segment.setTableEntryForTesting(0, entry);
    // don't increment count; this is used during computation
    assertTrue(segment.clearValueForTesting(key, hash, valueRef));
    // no notification sent with clearValue
    assertEquals(0, segment.count);
    assertNull(table.get(0));

    // clear wrong value reference
    segment.setTableEntryForTesting(0, entry);

    segment.setTableEntryForTesting(0, entry);
    // don't increment count; this is used during computation
    assertTrue(segment.clearValueForTesting(key, hash, valueRef));
    // no notification sent with clearValue
    assertEquals(0, segment.count);
    assertNull(table.get(0));

    // clear wrong value reference
    segment.setTableEntryForTesting(0, entry);

  ([#33684](https://github.com/kubernetes/kubernetes/pull/33684),
  [@fraenkel](https://github.com/fraenkel))
* Flag gate faster evictions based on node memory pressure using kernel memcg
  notifications - `--experimental-kernel-memcg-notification`.
  ([#38258](https://github.com/kubernetes/kubernetes/pull/38258),
  [@derekwaynecarr](https://github.com/derekwaynecarr))

- Kubelet's deprecated `--experimental-kernel-memcg-notification` flag is now removed.  Use `--kernel-memcg-notification` instead. ([#109388](https://github.com/kubernetes/kubernetes/pull/109388), [@ialidzhikov](https://github.com/ialidzhikov))