try {
                final ClusterHealthResponse response = client.admin().cluster().prepareHealth().setWaitForYellowStatus().execute()
                        .actionGet(fessConfig.getIndexHealthTimeout());
                if (logger.isDebugEnabled()) {
                    logger.debug("Fesen Cluster Status: {}", response.getStatus());
                }
                return;

   */
  @CanIgnoreReturnValue
  public CacheBuilder<K, V> recordStats() {
    statsCounterSupplier = CACHE_STATS_COUNTER;
    return this;
  }

  boolean isRecordingStats() {
    return statsCounterSupplier == CACHE_STATS_COUNTER;
  }

  Supplier<? extends StatsCounter> getStatsCounterSupplier() {
    return statsCounterSupplier;
  }

  /**

   * Future}.
   *
   * <p>Usage example:
   *
   * <pre>{@code
   * ListenableFuture<Integer> fetchCounterFuture = ...;
   *
   * // Falling back to a zero counter in case an exception happens when
   * // processing the RPC to fetch counters.
   * ListenableFuture<Integer> faultTolerantFuture = Futures.catching(
   *     fetchCounterFuture, FetchException.class, x -> 0, directExecutor());