}
      min = Math.min(min, otherMin);
      max = Math.max(max, otherMax);
    }
  }

  /** Returns an immutable snapshot of the current statistics. */
  public Stats snapshot() {
    return new Stats(count, mean, sumOfSquaresOfDeltas, min, max);
  }

  /** Returns the number of values. */
  public long count() {
    return count;
  }

  /**

	return h.status.Load() == statusOnline
}

// Stats returns the target statistics.
func (h *Target) Stats() types.TargetStats {
	h.logChMu.RLock()
	queueLength := len(h.logCh)
	h.logChMu.RUnlock()
	stats := types.TargetStats{
		TotalMessages:  h.totalMessages.Load(),
		FailedMessages: h.failedMessages.Load(),
		QueueLength:    queueLength,
	}

	return stats
}

// AssignMigrateTarget assigns a target

        ChannelStatistics stats = channelStats.computeIfAbsent(channelId, 
            k -> new ChannelStatistics());
            
        stats.operations.incrementAndGet();
        stats.latencyTotal.addAndGet(latency);
        
        if (success) {
            stats.bytesReceived.addAndGet(bytes);
        } else {
            stats.errors.incrementAndGet();
        }
    }
    

func loadClusterReplicationMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	st := globalReplicationStats.Load()
	if st == nil {
		return nil
	}

	qs := st.getNodeQueueStatsSummary()

	qt := qs.QStats
	m.Set(replicationAverageQueuedBytes, float64(qt.Avg.Bytes))
	m.Set(replicationAverageQueuedCount, float64(qt.Avg.Count))
	m.Set(replicationMaxQueuedBytes, float64(qt.Max.Bytes))

        writeElastisearchJsonApi(zos, id, "cluster", "state");
        writeElastisearchJsonApi(zos, id, "cluster", "stats");
        writeElastisearchJsonApi(zos, id, "cluster", "pending_tasks");
        writeElastisearchJsonApi(zos, id, "nodes", "stats");
        writeElastisearchJsonApi(zos, id, "nodes", "_all");
        writeElastisearchJsonApi(zos, id, "nodes", "usage");

  }

  @Override
  public CacheStats stats() {
    throw new UnsupportedOperationException();
  }

  @Override
  public ConcurrentMap<K, V> asMap() {
    throw new UnsupportedOperationException();
  }

  /**
   * Accumulates statistics during the operation of a {@link Cache} for presentation by {@link
   * Cache#stats}. This is solely intended for consumption by {@code Cache} implementors.

     * objects in the cache before shutdown.
     */
    @PreDestroy
    public void destroy() {
        if (logger.isDebugEnabled()) {
            logger.debug("cache stats: {}", statsCache.stats());
        }
        statsCache.asMap().entrySet().stream().forEach(e -> {
            final StatsObject data = e.getValue();
            final Long begin = data.remove(BEGIN_KEY);

type Metrics struct {
	LastReachableSecs, LastUnreachableSecs float64

	// Last whole minute stats
	TotalRequests, FailedRequests int64
	AvgSuccRTTMs                  float64
	MaxSuccRTTMs                  float64
}

// Metrics reports metrics related to plugin service reachability and stats for the last whole minute
func (o *AuthNPlugin) Metrics() Metrics {
	if o == nil {

		runtime.Gosched()
		stats := c.Stats()
		if stats.IncomingStreams != 0 {
			if i > 0 {
				time.Sleep(100 * time.Millisecond)
				continue
			}
			var found []uint64
			c.inStream.Range(func(key uint64, value *muxServer) bool {
				found = append(found, key)
				return true
			})
			t.Errorf("expected no active streams, got %d incoming: %v", stats.IncomingStreams, found)
		}

  }

  @Override
  public CacheStats stats() {
    throw new UnsupportedOperationException();
  }

  @Override
  public ConcurrentMap<K, V> asMap() {
    throw new UnsupportedOperationException();
  }

  /**
   * Accumulates statistics during the operation of a {@link Cache} for presentation by {@link
   * Cache#stats}. This is solely intended for consumption by {@code Cache} implementors.