code: public void logBufferUtilization() {
  		System.out.println("Buffer utilization at " + System.currentTimeMillis());
  
  		System.out.println("\tUnused global buffers: " + this.globalBufferPool.numAvailableBuffers());
  
  		System.out.println("\tLocal buffer pool status:");
  
  		for (LocalBufferPoolOwner bufferPool : this.localBuffersPools.values()) {
  			bufferPool.logBufferUtilization();
  		}
  
  		System.out.println("\tIncoming connections:");
  
  		for (Channel channel : this.channels.values()) {
  			if (channel.isInputChannel()) {
  				((InputChannel<?>) channel).logQueuedEnvelopes();
  			}
  		}
  	}
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